NameNesting logo

Find the perfect baby name by meaning, origin, religion & numerology — powered by AI

Sign up free – get more daily AI insights, save unlimited favorites, and more. Always free.

Tamsyn

GirlCornish

Tamsyn is a girl name of Cornish origin meaning "one of a pair of twin siblings; a twin".

About this name

Gender
Girl
Language
Cornish
Religion
Christian
Syllables
2
Length
6 letters
Meaning
one of a pair of twin siblings; a twin
Etymology
Tamsyn is a Cornish variant of the name Thomas, which comes from the Aramaic name Ta'oma meaning "twin", transmitted via Greek and Latin into English.

Famous People Named Tamsyn

  • Tamsyn ManouAustralian middle-distance runner
  • Tamsyn Muirauthor of fantasy, science fiction, and horror; most notably Gideon the Ninth

Frequently Asked Questions About Tamsyn

What does the name Tamsyn mean?

Tamsyn means "one of a pair of twin siblings; a twin", and is of Cornish origin.

What is the origin of the name Tamsyn?

Tamsyn originates from Cornish, commonly used in Europe.

Is Tamsyn a boy or girl name?

Tamsyn is typically used as a girl name.

What religion is the name Tamsyn associated with?

Tamsyn is associated with Christian.

Are there famous people named Tamsyn?

Yes — notable people named Tamsyn include Tamsyn Manou (Australian middle-distance runner) and Tamsyn Muir (author of fantasy).

Last updated: June 2026