Thomasine
A girl's name of Aramaic origin with 2,234 recorded U.S. births.
Meaning & Origin
A female given name from Aramaic, a feminine form of Thomas.
Thomasine is a girl's baby name of Aramaic origin, a feminine form of Thomas, derived from the Aramaic toma meaning 'twin.' It was a dignified medieval name — common in 15th and 16th-century England — that gradually fell out of use while retaining an air of old-world charm.
EtymologyShow more
In the American context, Thomasine is a girl's name with over a century of recorded use (1909–1994). Its Aramaic roots connect it to a broader naming tradition, but in practice, American usage often reshapes names — adding nicknames, shifting pronunciation, and building new associations that diverge from the original cultural context.
Though no longer in the top 1,000, Thomasine’s 2,234 recorded births mean it has left a mark. Every name carries the accumulated identity of the people who have worn it — and Thomasine has decades of that history.
At a Glance
Popularity Over Time
Thomasine has 79+ years of history in the U.S., first appearing in 1909.
Popularity by Decade
| Decade | Births | Avg Rank | Trend |
|---|---|---|---|
| 1990s | 11 | #14198 | ▼ |
| 1980s | 55 | #9591 | ▼ |
| 1970s | 180 | #4441 | ▼ |
| 1960s | 296 | #2367 | ▼ |
| 1950s | 500 | #1465 | — |
| 1940s | 505 | #1173 | ▲ |
| 1930s | 329 | #1291 | ▲ |
| 1920s | 264 | #1676 | ▲ |
| 1910s | 89 | #2687 | ▲ |
| 1900s | 5 | #2522 | — |
The Story of Thomasine
A Baby Boomer name
Peaking in 1950, Thomasine is a timeless Baby Boomer name. Girls named Thomasine are most likely born between 1940 and 1960.
How rare is Thomasine?
With 2,234 total births on record, Thomasine remains a rare and distinctive pick.
The journey through the decades
First appeared in the records in 1909, grew steadily over the decades, peaked in the 1940s with 505 births that decade, and has since become a rare, vintage choice.
Thomasine by the numbers
- Would fill 47 school buses
- Meeting one Thomasine per day would take 6.1 years
Year-by-Year Data
View complete yearly data(79 years, 1909–1994)
| Year | Births | Rank |
|---|---|---|
| 1994 | 6 | #13305 |
| 1990 | 5 | #15090 |
| 1987 | 7 | #9747 |
| 1986 | 6 | #10805 |
| 1985 | 5 | #12354 |
| 1984 | 6 | #10315 |
| 1983 | 7 | #8951 |
| 1982 | 8 | #8163 |
| 1981 | 9 | #7371 |
| 1980 | 7 | #9022 |
| 1979 | 6 | #10118 |
| 1978 | 18 | #4070 |
| 1977 | 10 | #6310 |
| 1976 | 19 | #3663 |
| 1975 | 20 | #3502 |
| 1974 | 20 | #3419 |
| 1973 | 16 | #3949 |
| 1972 | 15 | #4074 |
| 1971 | 25 | #2864 |
| 1970 | 31 | #2443 |
Source: U.S. Social Security Administration. Showing years with 5+ recorded births.
Frequently Asked Questions
Is Thomasine a boy's or girl's name?
When was Thomasine most popular?
How popular is the name Thomasine?
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Data source: U.S. Social Security Administration, 1909–1994