Recorded 1909–1994 · United States
Thomasine was most popular in 1950, when 67 American babies were given the name — ranking #1,895 that year. It was not recorded in 2025. Across 1880–2025 the Social Security Administration has recorded 2,234 people named Thomasine.
Across the whole record Thomasine is a girl’s name — 100.0% of the 2,234 Americans given it were girls and 0.0% were boys.
Counted from every US birth the Social Security Administration recorded under this name, so it reflects use rather than opinion. A name given to fewer than five babies of one sex in a year is withheld at source and is not counted.
How much more common the name is in each state than across the country as a whole.
See Thomasine on the interactive charts
Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org