Will my child share the name Tamsin with classmates?

Unlikely. With around 7 UK babies named Tamsin per year, your child will almost certainly be the only Tamsin in their class, and possibly the only one in the whole school.

Is Tamsin becoming more or less popular in the UK?

Tamsin is declining: down 1,033 places since 2020, to #3,333 in 2025. It peaked at #271 in 1996.

Is Tamsin a good choice for a distinctive name?

Tamsin is a distinctive choice sitting outside the mainstream UK top names. Parents choosing less common names often find their children appreciate the individuality as they grow up, rarely needing to add an initial to distinguish themselves.

Is Tamsin a popular baby name in the United States?

Tamsin does not appear in the US top 1,000 baby names, making it a distinctively British choice.

👧 Girl's name 💎 Relatively Unique UK #3333

Tamsin

🗳️ Add Tamsin to a family shortlist

Tamsin is a distinctive choice, ranked #3333 in 2025. Your child is likely to be the only Tamsin in their class.

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UK Rank 2025

#3333

About the Name Tamsin

Tamsin has seen a notable decline in recent years, dropping 275 places in five years. It was most popular in 1996 at #271 — parents choosing it today are making a deliberately counter-trend decision. The name has been a consistent presence in UK records since 1996.

Tamsin is rare in the UK, so your child is very likely to be the only Tamsin in their class.