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Jesper

One spelling. All preserved contexts.
Read claims alongside their sources.

Script: Latin
Compound status: Unknown
In this record: Relationships: 2 · observations: 16

Candidate data 1.0.0. Unknown values have not been filled with guesses.

Language information

Dictionary information and other contexts are kept separate. A statistical territory does not establish the language of a name; a classification does not determine a person's gender.

Dictionary contexts

None provided for this spelling in this version.

Other contexts

Language	Gender in source	Basis	Evidence
Danish	Not specified	Usage evidence	Evidence Language: Danish. Source category: Not specified. Basis: Usage evidence. This is a source claim, not a statement about a particular person. Open source and technical details → Technical details and JSON Original claim { "basis": "usage_evidence", "context_id": "ctx:01f8bbf9-195b-5daa-95c3-8d7884e9741c", "country": null, "evidence_id": "ev:918a32d6-579a-5dc7-8ede-481386573e63", "form_id": "frm:e8070d34-155e-5c67-a1e1-853537e75974", "gender": "unknown", "language": "da" } All claims and sources — go to this entry →
Dutch	Not specified	Usage evidence	Evidence Language: Dutch. Source category: Not specified. Basis: Usage evidence. This is a source claim, not a statement about a particular person. Open source and technical details → Technical details and JSON Original claim { "basis": "usage_evidence", "context_id": "ctx:3aa8d6fe-1731-54e9-9121-67976461334b", "country": null, "evidence_id": "ev:8aae2d74-4d00-51dc-87b8-bfa6c9bc67ff", "form_id": "frm:e8070d34-155e-5c67-a1e1-853537e75974", "gender": "unknown", "language": "nl" } All claims and sources — go to this entry →
Not specified	Male	Source classification	Evidence Language: Not specified. Source category: Male. Basis: Source classification. This is a source claim, not a statement about a particular person. Open source and technical details → Technical details and JSON Original claim { "basis": "source_classification", "context_id": "ctx:8e63e6d6-e0c5-53aa-875f-0911e825bf8a", "country": null, "evidence_id": "ev:9be1046f-f8ad-55a9-8c89-8719e7ec29f4", "form_id": "frm:e8070d34-155e-5c67-a1e1-853537e75974", "gender": "male", "language": null } All claims and sources — go to this entry →
Not specified	Male	Birth statistics	Evidence Language: Not specified. Source category: Male. Basis: Birth statistics. This is a source claim, not a statement about a particular person. Open source and technical details → Technical details and JSON Original claim { "basis": "official_birth_statistics", "context_id": "ctx:19fe15c1-99e6-56e3-81d4-cb2980ae7fff", "country": "DE", "evidence_id": "ev:02a6ee32-1ac8-52a0-85e9-df1e81574bb2", "form_id": "frm:e8070d34-155e-5c67-a1e1-853537e75974", "gender": "male", "language": null } All claims and sources — go to this entry →

Related spellings

Every relationship has a direction and type. Source-reported equivalence does not imply universal interchangeability.

Relationships: 2

From	To	Type	Evidence
Jesper	Jasper	Source-reported equivalence	Evidence The source reports a relationship of type «Source-reported equivalence». The direction is shown in the table row. Open source and technical details → Technical details and JSON Original claim { "evidence_id": "ev:723003cc-fa83-549c-ae20-83ca40f01d07", "from_form_id": "frm:e8070d34-155e-5c67-a1e1-853537e75974", "language": null, "link_id": "lnk:0aa29e89-de6c-55da-b638-20f4cacfe2c2", "position": null, "relation": "source_equivalence", "scheme": null, "to_form_id": "frm:d77a4b5b-c9fb-5a3f-87ef-629c3ba8af02" } All claims and sources — go to this entry →
Jesper	Jesperi	Source-reported equivalence	Evidence The source reports a relationship of type «Source-reported equivalence». The direction is shown in the table row. Open source and technical details → Technical details and JSON Original claim { "evidence_id": "ev:fec8ad3c-3c6f-53aa-a189-01968e32929e", "from_form_id": "frm:e8070d34-155e-5c67-a1e1-853537e75974", "language": null, "link_id": "lnk:cf2f837a-557e-5696-8a6f-14e295198e24", "position": null, "relation": "source_equivalence", "scheme": null, "to_form_id": "frm:af9cadd4-314f-5e3a-b320-c7069ebe6d93" } All claims and sources — go to this entry →

From

Type

Evidence

Jesper

Jasper

Source-reported equivalence

Evidence

The source reports a relationship of type «Source-reported equivalence». The direction is shown in the table row.

Open source and technical details →

Technical details and JSON

Original claim

{
    "evidence_id": "ev:723003cc-fa83-549c-ae20-83ca40f01d07",
    "from_form_id": "frm:e8070d34-155e-5c67-a1e1-853537e75974",
    "language": null,
    "link_id": "lnk:0aa29e89-de6c-55da-b638-20f4cacfe2c2",
    "position": null,
    "relation": "source_equivalence",
    "scheme": null,
    "to_form_id": "frm:d77a4b5b-c9fb-5a3f-87ef-629c3ba8af02"
}

All claims and sources — go to this entry →

Jesper

Jesperi

Source-reported equivalence

Evidence

The source reports a relationship of type «Source-reported equivalence». The direction is shown in the table row.

Open source and technical details →

Technical details and JSON

Original claim

{
    "evidence_id": "ev:fec8ad3c-3c6f-53aa-a189-01968e32929e",
    "from_form_id": "frm:e8070d34-155e-5c67-a1e1-853537e75974",
    "language": null,
    "link_id": "lnk:cf2f837a-557e-5696-8a6f-14e295198e24",
    "position": null,
    "relation": "source_equivalence",
    "scheme": null,
    "to_form_id": "frm:af9cadd4-314f-5e3a-b320-c7069ebe6d93"
}

All claims and sources — go to this entry →

Usage in statistics

Series differ in coverage and counting units. Values cannot be added together to measure global popularity.

SeriesObservations shown: 16

Territory	Year	Category	Name position	Count
United States	2025	Male	Not available	25
Germany	2023	Male	Not available	5
England and Wales	2025	Male	Not available	3
Cologne	2022	Male	1	1
Cologne	2010	Male	Not available	1
Cologne	2011	Male	Not available	5
Cologne	2012	Male	Not available	4
Cologne	2014	Male	Not available	2
Cologne	2015	Male	Not available	4
Cologne	2016	Male	Not available	3
Cologne	2017	Male	Not available	2
Cologne	2017	Male	Not available	1
Cologne	2018	Male	Not available	1
Cologne	2019	Male	2	2
Cologne	2020	Male	1	1
Cologne	2021	Male	1	1

An unspecified position is not treated as first position. Full counting units, methods and qualifications are preserved in the original data.

Observation technical details

[
    {
        "country": "US",
        "global_name_gender_inferred": false,
        "method": "deterministic_sum_of_source_counts",
        "published_count": 25,
        "reported_sex": "male",
        "source_csv_rows": [
            2171290
        ],
        "source_ref": "US",
        "year": 2025
    },
    {
        "country": "DE",
        "global_name_gender_inferred": false,
        "method": "deterministic_sum_of_source_counts",
        "published_count": 5,
        "reported_sex": "male",
        "source_csv_rows": [
            149249,
            150486
        ],
        "source_ref": "DE",
        "year": 2023
    },
    {
        "country": "GB",
        "geography": "England and Wales",
        "global_name_gender_inferred": false,
        "method": "source_reported",
        "population_scope_ref": "boys-2025.xlsx:Notes!A6:B6",
        "published_count": 3,
        "published_rank": 5137,
        "rank_quality": "source_rank_disagrees_with_published_counts",
        "reported_sex": "male",
        "source_csv_rows": [
            25063
        ],
        "source_ref": "GB",
        "year": 2025
    },
    {
        "country": "DE",
        "evidence_id": "ev:02a6ee32-1ac8-52a0-85e9-df1e81574bb2",
        "geography": "Köln",
        "global_name_gender_inferred": false,
        "method": "source_reported",
        "name_position": 1,
        "published_count": 1,
        "published_rank": null,
        "reported_sex": "male",
        "scope_note": "source_description_position_conflict",
        "source_csv_rows": [
            24564
        ],
        "source_observation_id": "obs:4b384cb4-2c59-5c09-936c-9955f9b12bde",
        "source_ref": "DE_KOELN",
        "source_reported_sex": "m",
        "unit": "published_name_occurrences_at_position",
        "year": 2022
    },
    {
        "aggregation_allowed": false,
        "country": "DE",
        "evidence_id": "ev:9df00e4f-5353-5ab2-9cdb-d51968d10ea5",
        "geography": "Köln",
        "global_name_gender_inferred": false,
        "method": "source_reported",
        "name_position": null,
        "published_count": 1,
        "published_rank": null,
        "reported_sex": "male",
        "resolved_text": "Jesper",
        "scope_note": "position_absent_repeated_keys_not_aggregated",
        "source_csv_rows": [
            3276
        ],
        "source_observation_id": "obs:c114f849-78ad-5bc0-a183-eecf845c6787",
        "source_ref": "DE_KOELN_HISTORY",
        "source_reported_sex": "m",
        "source_text": "Jesper",
        "text_method": "NFC",
        "unit": "published_name_count_position_unspecified",
        "year": 2010
    },
    {
        "aggregation_allowed": false,
        "country": "DE",
        "evidence_id": "ev:c6050266-f3ac-54da-87f8-43dcef5105b6",
        "geography": "Köln",
        "global_name_gender_inferred": false,
        "method": "source_reported",
        "name_position": null,
        "published_count": 5,
        "published_rank": null,
        "reported_sex": "male",
        "resolved_text": "Jesper",
        "scope_note": "position_absent_repeated_keys_not_aggregated",
        "source_csv_rows": [
            5726
        ],
        "source_observation_id": "obs:b9223f17-bc72-5698-8573-e77d4657fdc5",
        "source_ref": "DE_KOELN_HISTORY",
        "source_reported_sex": "m",
        "source_text": "Jesper",
        "text_method": "NFC",
        "unit": "published_name_count_position_unspecified",
        "year": 2011
    },
    {
        "aggregation_allowed": false,
        "country": "DE",
        "evidence_id": "ev:a9dc4879-b8a0-5d08-b447-86207875a9b1",
        "geography": "Köln",
        "global_name_gender_inferred": false,
        "method": "source_reported",
        "name_position": null,
        "published_count": 4,
        "published_rank": null,
        "reported_sex": "male",
        "resolved_text": "Jesper",
        "scope_note": "position_absent_repeated_keys_not_aggregated",
        "source_csv_rows": [
            10903
        ],
        "source_observation_id": "obs:cdaa4674-6e81-5377-b214-6ddbf097e66c",
        "source_ref": "DE_KOELN_HISTORY",
        "source_reported_sex": "m",
        "source_text": "Jesper",
        "text_method": "NFC",
        "unit": "published_name_count_position_unspecified",
        "year": 2012
    },
    {
        "aggregation_allowed": false,
        "country": "DE",
        "evidence_id": "ev:70ced400-58ac-5c9d-b529-6a414bc5ad91",
        "geography": "Köln",
        "global_name_gender_inferred": false,
        "method": "source_reported",
        "name_position": null,
        "published_count": 2,
        "published_rank": null,
        "reported_sex": "male",
        "resolved_text": "Jesper",
        "scope_note": "position_absent_repeated_keys_not_aggregated",
        "source_csv_rows": [
            21742
        ],
        "source_observation_id": "obs:a8306a73-8f50-578b-8d1d-ba2e04849d36",
        "source_ref": "DE_KOELN_HISTORY",
        "source_reported_sex": "m",
        "source_text": "Jesper",
        "text_method": "NFC",
        "unit": "published_name_count_position_unspecified",
        "year": 2014
    },
    {
        "aggregation_allowed": false,
        "country": "DE",
        "evidence_id": "ev:d5dde6a9-70cf-5b02-b1ef-87ccfa393b44",
        "geography": "Köln",
        "global_name_gender_inferred": false,
        "method": "source_reported",
        "name_position": null,
        "published_count": 4,
        "published_rank": null,
        "reported_sex": "male",
        "resolved_text": "Jesper",
        "scope_note": "position_absent_repeated_keys_not_aggregated",
        "source_csv_rows": [
            26418
        ],
        "source_observation_id": "obs:f708d2d3-21cd-550d-accc-adafaa4fe1b8",
        "source_ref": "DE_KOELN_HISTORY",
        "source_reported_sex": "m",
        "source_text": "Jesper",
        "text_method": "NFC",
        "unit": "published_name_count_position_unspecified",
        "year": 2015
    },
    {
        "aggregation_allowed": false,
        "country": "DE",
        "evidence_id": "ev:415beaa9-5ec0-56eb-b7e3-31c08cc237ea",
        "geography": "Köln",
        "global_name_gender_inferred": false,
        "method": "source_reported",
        "name_position": null,
        "published_count": 3,
        "published_rank": null,
        "reported_sex": "male",
        "resolved_text": "Jesper",
        "scope_note": "position_absent_repeated_keys_not_aggregated",
        "source_csv_rows": [
            32012
        ],
        "source_observation_id": "obs:62cd2c5a-4da5-5098-943e-87e6965102af",
        "source_ref": "DE_KOELN_HISTORY",
        "source_reported_sex": "m",
        "source_text": "Jesper",
        "text_method": "NFC",
        "unit": "published_name_count_position_unspecified",
        "year": 2016
    },
    {
        "aggregation_allowed": false,
        "country": "DE",
        "evidence_id": "ev:4a1df394-a220-587e-89b5-b2f4a8fd8c46",
        "geography": "Köln",
        "global_name_gender_inferred": false,
        "method": "source_reported",
        "name_position": null,
        "published_count": 2,
        "published_rank": null,
        "reported_sex": "male",
        "resolved_text": "Jesper",
        "scope_note": "position_absent_repeated_keys_not_aggregated",
        "source_csv_rows": [
            38215
        ],
        "source_observation_id": "obs:d698c890-097e-5462-bb8c-db6563cf6712",
        "source_ref": "DE_KOELN_HISTORY",
        "source_reported_sex": "m",
        "source_text": "Jesper",
        "text_method": "NFC",
        "unit": "published_name_count_position_unspecified",
        "year": 2017
    },
    {
        "aggregation_allowed": false,
        "country": "DE",
        "evidence_id": "ev:8231e2b5-e5fe-5583-a6f3-465597305ac8",
        "geography": "Köln",
        "global_name_gender_inferred": false,
        "method": "source_reported",
        "name_position": null,
        "published_count": 1,
        "published_rank": null,
        "reported_sex": "male",
        "resolved_text": "Jesper",
        "scope_note": "position_absent_repeated_keys_not_aggregated",
        "source_csv_rows": [
            42134
        ],
        "source_observation_id": "obs:19393131-1949-5e63-898d-b7dd10962487",
        "source_ref": "DE_KOELN_HISTORY",
        "source_reported_sex": "m",
        "source_text": "Jesper",
        "text_method": "NFC",
        "unit": "published_name_count_position_unspecified",
        "year": 2017
    },
    {
        "aggregation_allowed": false,
        "country": "DE",
        "evidence_id": "ev:4fb8d885-5631-5477-b553-7fde4c870ef8",
        "geography": "Köln",
        "global_name_gender_inferred": false,
        "method": "source_reported",
        "name_position": null,
        "published_count": 1,
        "published_rank": null,
        "reported_sex": "male",
        "resolved_text": "Jesper",
        "scope_note": "position_absent_repeated_keys_not_aggregated",
        "source_csv_rows": [
            49201
        ],
        "source_observation_id": "obs:39742ae8-8c17-596b-b735-391b748cb3b7",
        "source_ref": "DE_KOELN_HISTORY",
        "source_reported_sex": "m",
        "source_text": "Jesper",
        "text_method": "NFC",
        "unit": "published_name_count_position_unspecified",
        "year": 2018
    },
    {
        "country": "DE",
        "evidence_id": "ev:f955d9d6-f57e-574a-b902-5cf3d5a0a55e",
        "geography": "Köln",
        "global_name_gender_inferred": false,
        "method": "source_reported",
        "name_position": 2,
        "published_count": 2,
        "published_rank": null,
        "reported_sex": "male",
        "scope_note": "source_description_position_conflict",
        "source_csv_rows": [
            2117
        ],
        "source_observation_id": "obs:651424bc-8c21-55e9-a0fa-ddfc926d40c3",
        "source_ref": "DE_KOELN",
        "source_reported_sex": "m",
        "unit": "published_name_occurrences_at_position",
        "year": 2019
    },
    {
        "country": "DE",
        "evidence_id": "ev:be70c9f2-211b-5fdc-ba31-9ae8fd6b59ca",
        "geography": "Köln",
        "global_name_gender_inferred": false,
        "method": "source_reported",
        "name_position": 1,
        "published_count": 1,
        "published_rank": null,
        "reported_sex": "male",
        "scope_note": "source_description_position_conflict",
        "source_csv_rows": [
            11103
        ],
        "source_observation_id": "obs:6b423d31-e9a8-5ef8-bc0b-f13254ec4678",
        "source_ref": "DE_KOELN",
        "source_reported_sex": "m",
        "unit": "published_name_occurrences_at_position",
        "year": 2020
    },
    {
        "country": "DE",
        "evidence_id": "ev:e8a90f27-c051-5ada-8d1f-eb2875d5d095",
        "geography": "Köln",
        "global_name_gender_inferred": false,
        "method": "source_reported",
        "name_position": 1,
        "published_count": 1,
        "published_rank": null,
        "reported_sex": "male",
        "scope_note": "source_description_position_conflict",
        "source_csv_rows": [
            17960
        ],
        "source_observation_id": "obs:b31f7c78-dc6d-5bdb-a51d-46e44dc55f85",
        "source_ref": "DE_KOELN",
        "source_reported_sex": "m",
        "unit": "published_name_occurrences_at_position",
        "year": 2021
    }
]

Original statistical rows and notes →

A source behind every claim

Preserved evidence referenced by this record. Expand a description to view its source; original values are available in the technical details.

Usage context: Danish · Not specified · Usage evidence

Open source and technical details →

Usage context: Dutch · Not specified · Usage evidence

Open source and technical details →

Usage context: Not specified · Male · Source classification

Open source and technical details →

Usage context: Not specified · Male · Birth statistics; Statistics: Cologne · 2022 · Male · count: 1 · name position: 1

Open source and technical details →

Provenance of the record «Jesper»

Open source and technical details →

Relationship «Jesper → Jasper»: Source-reported equivalence

Open source and technical details →

Relationship «Jesper → Jesperi»: Source-reported equivalence

Open source and technical details →

Statistics: Cologne · 2010 · Male · count: 1 · name position: not specified

Open source and technical details →

Statistics: Cologne · 2011 · Male · count: 5 · name position: not specified

Open source and technical details →

Statistics: Cologne · 2012 · Male · count: 4 · name position: not specified

Open source and technical details →

Statistics: Cologne · 2014 · Male · count: 2 · name position: not specified

Open source and technical details →

Statistics: Cologne · 2015 · Male · count: 4 · name position: not specified

Open source and technical details →

Statistics: Cologne · 2016 · Male · count: 3 · name position: not specified

Open source and technical details →

Statistics: Cologne · 2017 · Male · count: 2 · name position: not specified

Open source and technical details →

Statistics: Cologne · 2017 · Male · count: 1 · name position: not specified

Open source and technical details →

Statistics: Cologne · 2018 · Male · count: 1 · name position: not specified

Open source and technical details →

Statistics: Cologne · 2019 · Male · count: 2 · name position: 2

Open source and technical details →

Statistics: Cologne · 2020 · Male · count: 1 · name position: 1

Open source and technical details →

Statistics: Cologne · 2021 · Male · count: 1 · name position: 1

Open source and technical details →

Full record

All fields, including qualifiers, language qualifications, original codes and unknown values.

Open the full record JSON →

Field and compound-status provenance

{
    "field_evidence": [
        {
            "characters": " -‐‑–'’",
            "evidence_id": "ev:a425bd0d-5051-5fd6-85bf-25751eb10bc5",
            "field": "contains_name_separator",
            "form_id": "frm:e8070d34-155e-5c67-a1e1-853537e75974",
            "method": "deterministic",
            "not_compound_classification": true,
            "rule": "character-presence-001",
            "value": false
        }
    ],
    "compound_claims": []
}

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