Thomasine
A female given name from Aramaic, a feminine form of Thomas.
Every Thomasine since 1909 — 2,234 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Thomasine
Thomasine 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 1909, 2,234 American babies have been named Thomasine. Its peak came in 1950, when 67 newborns received the name — the signature sound of the 1950s.
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 Thomasine stood among all girls' names in any year, or use the compare tool to plot it against other names.
Thomasine 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 | 5 | #15,090 |
| 1985 | 5 | #12,353 |
| 1980 | 7 | #9,022 |
| 1975 | 20 | #3,502 |
| 1970 | 31 | #2,443 |
| 1965 | 36 | #1,949 |
| 1960 | 38 | #1,853 |
| 1955 | 45 | #1,536 |
| 1950 | 67 | #1,132 |
| 1945 | 50 | #1,121 |
| 1940 | 37 | #1,216 |
| 1935 | 34 | #1,240 |
| 1930 | 32 | #1,366 |
| 1925 | 25 | #1,745 |
| 1920 | 25 | #1,703 |
| 1915 | 7 | #3,762 |
| 1910 | 5 | #2,753 |
| 1905 | — | — |
| 1900 | — | — |
| 1895 | — | — |
| 1890 | — | — |
| 1885 | — | — |
| 1880 | — | — |
Frequently asked questions
What does the name Thomasine mean?
A female given name from Aramaic, a feminine form of Thomas.
How popular is the name Thomasine in 2025?
Thomasine 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 Thomasine?
2,234 babies have been named Thomasine in the United States since 1909, based on Social Security card applications.
When was the name Thomasine most popular?
Thomasine peaked in 1950, when 67 newborns received the name.
Is Thomasine a boy or girl name?
Thomasine is overwhelmingly a girl's name — 100% of babies with the name.
Is the name Thomasine rising or falling?
Thomasine has been roughly stable over the past decade.