Sinéad

Sinéad does not appear in US Social Security baby-name records, which list only names given to at least five babies in a year. There is no popularity curve to chart: a genuinely rare pick.

Births with a Social Security record. Source: U.S. Social Security Administration

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In Ireland, 4 girls named Sinéad were born in 2025, the 718th most common name among girls that year.

share of that year’s name registrations

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. This registry counts each spelling separately; the figures above are for the exact spelling Sinéad, and accented spellings are separate names. Source: Central Statistics Office (Ireland), Irish babies' names

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In England and Wales, 7 girls named Sinéad were born in 2025, ranked 3,333rd 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

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In Spain, 53 residents are named Sinéad, ranked 13,292nd among women, with a mean age of 29.9 years.

Residents of Spain on 1 January 2025. Spain publishes how old a name’s living bearers are, not a birth series, so there is no year chart. Source: INE (Spain), Censo de Población anual, 1 January 2025

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Sinéad is not on the 2025 record for Austria, which publishes every first name down to a single birth, so the name was not given there that year.
The count never rose above 1 in a year, too few to chart.

Live births in Austria by year of birth, 1984–2025, from Statistik Austria’s first-name statistics; spellings that differ only by special characters are counted together (umlauts stay apart), every name down to a single birth is published, and the count covers babies with Austrian citizenship only until 2009, every baby from 2010, and from 2015 also births abroad to mothers living in Austria. Shares divide by Statistik Austria’s count of live births from 2010, and before that by the file’s own total for the year. Source: Statistik Austria - data.statistik.gv.at (OGDEXT_VORNAMEN_1, updated 2026-07-09)

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Sinéad is not on the 2024 record for Canada, where names under 5 in a year are excluded at source.

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)

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Sinéad is not on the 2022 record for Mexico City, where small counts are withheld at source.
The count never rose above 3 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

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Sinéad 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

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Sinéad is not on the 2024 record for Scotland, where spellings under 3 in total are suppressed at source.

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

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Sinéad is not on the 2017 record for South Australia, whose registry publishes every name given that year.
The count never rose above 8 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

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