Thomasin

← Back to The Early Middle Ages

Girl · Aramaic, through Greek and Latin

Thomasin

Say it: TOM-uh-sin

Try it with your surname

Meaning

Feminine of Thomas, from Aramaic 'twin'.

Certainscholars agree on this meaning.

A medieval and Tudor English feminine of Thomas; the Cornish contraction Tamsin kept it alive.

Its wave through time

Rare in the records

In the United States

0123418801900192019401960198020002020Peak 2020per million babies of that sex
  • 16 babies given this name since 1963
  • At its height in 2020, about 1 in 266,500 girls
  • 6 babies in 2020

Through the ages

  1. The High and Late Middle Ages1100 to 1450
  2. The Renaissance1400 to 1600

Used by

EnglishCornish

The family of the name

Other spellings: Thomasina, Thomasine, Tamsin

CornishTamsin
LatinThomasina

Names worth a look

Where this comes from

  • Parish baptism registers
  • English poll taxes and lay subsidy rolls (13th and 14th centuries)
  • United States Social Security birth records, 1880 to today source

Meanings and histories are compiled from the study of names and their languages and checked by a second review.

Meanings and histories are drawn from the study of names and their languages, each with a confidence rating; popularity figures come from official birth records. Name histories are a living field: if you know of a correction, we would be glad to hear it.