Joslyn
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Meaning
variant of Jocelyn, traditionally 'member of the Gauts'
How popular is Joslyn around the world?
In the United States, 707 babies were named Joslyn between 2020 and 2025. In South Australia, 1 girl was registered as Joslyn in 2017.
Joslyn is on the official records of the United States, South Australia and Canada.
United States
1 in 31,000
In the United States, 707 babies were named Joslyn between 2020 and 2025.
Shape drawn from US Social Security baby-name records. Joslyn peaked in the 2000s and the 2010s in nearly equal measure.
Births with a Social Security record. Source: U.S. Social Security Administration
South Australia
1 in 18,0002017
In South Australia, 1 girl was registered as Joslyn in 2017.
The count never rose above 2 in a year, too few to chart.
Births registered in South Australia (not all of Australia) by first name and year of registration, 1944–2017, from the state’s Births, Deaths and Marriages registry, which publishes every name down to a single birth in capitals; a spelling its export repeats inside a year is counted once, and from 2018 only a top 100 is published, so the series ends at 2017. Source: Consumer and Business Services (South Australia), popular baby names
Canada
1 in 73,000
In Canada, 5 girls named Joslyn were born in 2024, ranked 3,457th among girls that year.
share of that year’s name registrations
First given names from provincial and territorial vital statistics across Canada; any name-sex-year under 5 is excluded at source, and small Quebec counts carry a randomized adjustment made at source. Shares divide by Statistics Canada’s count of live births for the year; the 2024 count is preliminary. Source: Statistics Canada, first names at birth (table 17-10-0147-01)
England and Wales
last on record 2021
Joslyn is not on the 2025 record for England and Wales, where spellings under 3 in a year are withheld at source.
The count never rose above 5 in a year, too few to chart.
Birth registrations in England and Wales (not the whole UK); exact spellings are counted separately, and any spelling under 3 in a year is withheld at source. Source: Office for National Statistics, baby names in England and Wales
Mexico City City
last on record 2018
Joslyn is not on the 2022 record for Mexico City, where small counts are withheld at source.
The count never rose above 5 in a year, too few to chart.
Civil-registry acts in Mexico City by registration year. Counts are lower bounds (names under 6 in a month and borough are removed at source) and count name-instances, not people; compound names are split, so “Maria Jose” counts under each part. 2023, a partial extract through 3 Mar with no cell on record for this name, is excluded. Source: Registro Civil of Mexico City, open data portal, registered given names 2000-2023
Not on the record in Spain, Argentina, Puerto Rico, Ireland, New Zealand, Scotland and Poland: those registries withhold small counts, so rare uses may sit below their floors.
Not on the Chile record: nametree keeps spellings that reached 5 registrations in some year, so rarer uses are not shown. Not on the Montevideo record for 1940 to 2011: that registry withholds nothing, so this spelling was not given there in those years. Not on the France record: nametree keeps spellings that reached 20 births in some year, so rarer uses are not shown. Not on the Austria record for 1984 to 2025: Statistik Austria publishes every first name down to a single birth, so this name was not given there in those years (before 2010 the record covers babies with Austrian citizenship only). Not on Norway’s list: Statistics Norway lists only first names carried by 200 or more living people, so rarer names are not shown.
When you meet Joslyn
Most people given the name Joslyn in the United States are teenagers or young adults today.
Estimated from US Social Security birth registrations and typical lifespans; a rough guide, not a rule.
The Joslyn deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Joslyn truly comes from, how it traveled, and what a century of records reveals. If you have grown a tree on nametree, it also considers how Joslyn fits with your family’s names and surname.
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