Thomasa
Every Thomasa since 1921 — 304 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Thomasa
Thomasa is not currently in use for newborns in the United States — fewer than five babies received the name in 2025. Its story lives in the historical record below.
Since 1921, 304 American babies have been named Thomasa. Its peak came in 1961, when 20 newborns received the name — the signature sound of the 1960s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Thomasa stood among all girls' names in any year, or use the compare tool to plot it against other names.
Thomasa year by year
Every year since 2001, and five-year steps back to 1880. Rank is within each sex.
| Year | Girls | Girls rank |
|---|---|---|
| 2025 | — | — |
| 2024 | — | — |
| 2023 | — | — |
| 2022 | — | — |
| 2021 | — | — |
| 2020 | — | — |
| 2019 | — | — |
| 2018 | — | — |
| 2017 | — | — |
| 2016 | — | — |
| 2015 | — | — |
| 2014 | — | — |
| 2013 | — | — |
| 2012 | — | — |
| 2011 | — | — |
| 2010 | — | — |
| 2009 | — | — |
| 2008 | — | — |
| 2007 | — | — |
| 2006 | — | — |
| 2005 | — | — |
| 2004 | — | — |
| 2003 | — | — |
| 2002 | — | — |
| 2001 | — | — |
| 2000 | — | — |
| 1995 | — | — |
| 1990 | — | — |
| 1985 | — | — |
| 1980 | 6 | #10,289 |
| 1975 | — | — |
| 1970 | — | — |
| 1965 | 15 | #3,391 |
| 1960 | 14 | #3,500 |
| 1955 | 9 | #4,354 |
| 1950 | — | — |
| 1945 | — | — |
| 1940 | — | — |
| 1935 | — | — |
| 1930 | — | — |
| 1925 | — | — |
| 1920 | — | — |
| 1915 | — | — |
| 1910 | — | — |
| 1905 | — | — |
| 1900 | — | — |
| 1895 | — | — |
| 1890 | — | — |
| 1885 | — | — |
| 1880 | — | — |
Frequently asked questions
How popular is the name Thomasa in 2025?
Thomasa did not appear in the 2025 Social Security data, which means fewer than five babies received the name that year.
How many people are named Thomasa?
304 babies have been named Thomasa in the United States since 1921, based on Social Security card applications.
When was the name Thomasa most popular?
Thomasa peaked in 1961, when 20 newborns received the name.
Is Thomasa a boy or girl name?
Thomasa is overwhelmingly a girl's name — 100% of babies with the name.
Is the name Thomasa rising or falling?
Thomasa has been roughly stable over the past decade.