Tamsin is a ♀ girl name.
Tamsin is a short form of the girl’s name Thomasina, which is a female medieval form of the biblical male name Thomas. Tamsin is especially popular in Wales and Cornwall.
Tamsin means “twin” (from Aramaic “te’oma/תאמא”).
Based on the frequency of positive ratings, we can analyze how popular names are in different countries. The name Tamsin is currently ranked #10915 on the name leaderboard.
Curious about more trends? Find out which names are most popular in the USA, Canada, Australia, and worldwide.

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