Tamzin
#17,012 in 2025Girls' nameMeaning not yet documented
Tamzin has been given to 85 babies in the U.S. since 2011. In 2025 it ranked #17,012 of 17,293 girls’ names in use. Its peak year was 2017, with 14 recorded.
Babies named Tamzin, 2025
1 in 663,000
Tamzin over time, 1880–2025
Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.
How common is Tamzin?
Everything below is computed from the 2025 data — the most recent year available.
- Among all babies, 2025
- 1 in 663,000
- 5 of 3,315,165 births
- Among girls only
- 1 in 321,000
- <0.01% of girls
- Rank, 2025
- #17,012
- of 17,293 girls’ names in use
- Coin-flip room size
- 459,581 kids
- Even odds of a second one
Where Tamzin sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 459,581 children born in 2025 and it's an even bet that one of them is another Tamzin. In a class of 30 the chance is Under 1%.
When Tamzins were born
Half of everyone ever recorded as Tamzin was born before 2017 — so the typical Tamzin is around 8 today.
- Biggest decade
- 2010s
- 81.2% of all use
- Born in the last 25 years
- 100.0%
- A modern name
- Recorded since 1950
- 85
- People you could plausibly meet
2010s — 81.2% of all recorded uses (69).
Is Tamzin rising or falling?
Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.
- Rank vs 1 year ago
- —
- Not ranked then
- Rank vs 5 years ago
- +256
- Places climbed
- Rank vs 10 years ago
- −2,664
- Places dropped
- Births vs 10 years ago
- 0.71×
- Fewer babies than then
- Share of its own peak
- 35.7%
- Peak was 2017 (14)
- Years since peak
- 8
- Years
- Year-to-year steadiness
- Volatile
- 43.4% average annual change
Spellings of Tamzin
Tamzin is not the most common spelling — Tami is, with 35.1% against Tamzin's 0.08%.
Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.
Tamzin around the world
Where Tamzin ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.
- England & Wales1996–2025#5,927in 2025
- Scotland1999–2013#449in 2013
- Northern Ireland2000–2011#311in 2011
- Ireland2001–2015#896in 2015
- South Australia1957–2013#818in 2013
Popularity data from Office for National Statistics, National Records of Scotland, Northern Ireland Statistics and Research Agency, Central Statistics Office and Consumer and Business Services (South Australia). ONS, NRS, NISRA data under Open Government Licence v3.0. CSO, CBS SA data under CC BY 4.0.
Tamzin by the numbers
The raw record for each sex the name is used for.
Names similar to Tamzin
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Tamzin
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.