Ailsa
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Meaning
from Ailsa Craig, the granite island in the Firth of Clyde
How popular is Ailsa around the world?
In the United States, 25 babies were named Ailsa between 2020 and 2025. In Scotland, 29 girls named Ailsa were registered in 2024, the 148th most common name among girls that year.
Ailsa is on the official records of the United States, Scotland, England and Wales and Brazil.
United States
1 in 870,000
In the United States, 25 babies were named Ailsa between 2020 and 2025.
Shape drawn from US Social Security baby-name records. Ailsa has stayed rare in US records the whole time: no peak decade to name.
Births with a Social Security record. Source: U.S. Social Security Administration
Scotland
1 in 1,600
In Scotland, 29 girls named Ailsa were registered in 2024, the 148th most common name among girls that year.
share of that year’s name registrations
Births registered in Scotland; different spellings count separately but accents are merged at source, and any spelling under 3 in total is suppressed. Source: National Records of Scotland, babies' first names
England and Wales
1 in 39,000
In England and Wales, 15 girls named Ailsa were born in 2025, ranked 1,892nd among girls that year.
share of that year’s name registrations
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
Brazil
1 in 1M
At the 2022 census, 240 people in Brazil were named Ailsa, ranked 22,328th, with a median age of 52.
Among people named Ailsa living in Brazil at the 2022 census, more were born in the 1960s than in any other decade.
people alive at the 2022 census, by decade of birth
People alive and resident in Brazil at the 2022 census, a living-population count, not births; names under 20 are withheld at source. Source: IBGE, Censo Demográfico 2022
Canada
last on record 2017
Ailsa is not on the 2024 record for Canada, where names under 5 in a year are excluded at source.
The count never rose above 6 in a year, too few to chart.
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)
Ireland
last on record 2007
Ailsa is not on the 2025 record for Ireland, where names under 3 in a year are withheld at source.
The count never rose above 5 in a year, too few to chart.
Exact registered spellings from Irish vital statistics; any name under 3 in a year is withheld at source, and accented spellings (fadas) are recorded reliably only from 2018. Source: Central Statistics Office (Ireland), Irish babies' names
New Zealand
last on record 1961
Ailsa is not on the 2025 record for New Zealand, where names under 10 in a year are excluded at source.
share of that year’s name registrations
First given names from New Zealand birth registrations, grouped by registration year; any name under 10 in a year is excluded at source. Shares divide by Stats NZ’s count of births registered to mothers living in New Zealand, under 1% below the registry’s own count. Source: Department of Internal Affairs (New Zealand), baby name popularity over time
South Australia
last on record 2007
Ailsa is not on the 2017 record for South Australia, whose registry publishes every name given that year.
The count never rose above 3 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
Not on the record in Spain, Mexico City, Argentina, Puerto Rico 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 Ailsa
Most people given the name Ailsa 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.
Keep exploring
The Ailsa deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Ailsa 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 Ailsa fits with your family’s names and surname.
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