Tamsin
Girl name · Celtic · English · Hebrew
Tamsin is a Celtic and English girl name. Celtic names carry the history of Ireland, Scotland, Wales and Brittany. It sounds crisp and confident, it's simple to spell and say, and it pairs well with middle names of almost any length.
Did you know?
- Word funTamsin doesn't repeat a single letter: 6 letters, all different.
- GenerationTamsin peaked in 1956, which makes it a classic Baby Boomer name. The typical Tamsin you'd meet today is about 69 years old.
- HistoryTamsin first shows up in US birth records in 1955, the first year at least 5 babies got it. It has been in use for 70 years since.
US births per million girls, 1955–2025
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Popularity: U.S. Social Security Administration (babies with 5+ births per year).
About the name Tamsin
Tamsin is a girl name of Celtic, English and Hebrew origin. Its two syllables give it an easy rhythm, and the consonant at the end gives it a confident finish. It was most fashionable in the 1950s, which gives it a vintage, grandparent-chic charm. It's rarely heard today, so it stands out while still being a real, established name.
Origin:Celtic namesEnglish namesHebrew names
Other spellings of Tamsin
More Celtic girl names
- Girl name: Evelyn · possibly desired
- Girl name: Hazel · hazel tree
- Girl name: Isla · from Islay
- Unisex name: Riley · rye clearing
- Girl name: Maeve · she who intoxicates
- Unisex name: Kennedy · helmeted head
- Unisex name: Quinn · descendant of Conn
- Girl name: Genevieve · possibly woman of the people
Questions about the name Tamsin
What is the origin of the name Tamsin?
Tamsin is Celtic, English and Hebrew in origin. Names often travel between languages and cultures, which is why Tamsin turns up in more than one tradition. Other Celtic names to consider are Evelyn (“possibly desired”), Hazel (“hazel tree”), Isla (“from Islay”) and Riley (“rye clearing”).
Is Tamsin a boy or girl name?
Tamsin is a girl name.
How popular is the name Tamsin?
Tamsin is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2024. It peaked at #4,467 in 1956, so it's a name with history that few kids share today.
What names are similar to Tamsin?
If you like Tamsin, you might also like Tamsyn. Tamsyn is another spelling of the same name.
What should I know before naming my baby Tamsin?
Tamsin is a Celtic and English girl name. Celtic names carry the history of Ireland, Scotland, Wales and Brittany. It sounds crisp and confident, it's simple to spell and say, and it pairs well with middle names of almost any length. Say it out loud with your last name and any middle names you're considering, and check the initials it makes.