Total births
413
Girls' name · since 1955
Tamsin
Tamsin has 413 recorded births since 1955 in federal Social Security data, most heavily in 2017 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #12353
- among girls today
- 413
- born since 1955
- 2010s
- peak decade
- 30%
- more common than other girls
Tamsin currently ranks #12353 among girls' names in America, with 413 babies recorded since 1955.
According to the U.S. Social Security Administration, Tamsin has been recorded 413 times among girls since 1955, currently ranked #12353 nationally and more common than 30% of girls, with its heaviest use in the 2010s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1955 to 2024.
- #12353 among girls today
- 413 born since 1955
- 2010s peak decade
- 30% more common than other girls
Data updated Jun 2026
The verdict
Tamsin is currently the #12353 girls' name in America, more common than 30% of girls - 413 born since 1955, peaking in the 2010s.
- #12353
- among girls today
- 413
- born since 1955
- 2010s
- peak decade
- 30%
- more common than other girls
Tamsin vs. every other girls name in current SSA rankings
#12353
of 17,726 girls in use
More common than 30% of names given to girls today.
2010s
Peak decade
42% of everyone ever named Tamsin was born in this single decade.
2017
Single peak year
27 babies were named Tamsin in 2017 - its busiest year on record.
How Tamsin compares
413 Top 48% higher than 52% of 17,726 names currently given to girls
Based on all-time total births among currently-ranked girls names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Tamsin's all-time total is 8% above the median girls name, and Olivia still leads by a wide margin.
| Metric | Tamsin | Median girls name (Emerly) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 413 | 382 | 567,345 |
| Peak-year births | 27 | 48 | 19,840 |
Tamsin's usage pattern, beyond the headline number
Tamsin splits its recorded history at 2005: 69% of all births land in the more recent half, 31% in the earlier half, a lean toward present-day use rather than a passing spike. The single quietest year was 1955 (5 births) -- compare that against the 2017 peak of 27 for a sense of just how much the name's popularity has swung.
Tamsin at a glance
Outside the top 1,000Peak year
2017
Current rank
#12,353
Active since
1955
Tamsin popularity over time
Annual U.S. births registered with the Social Security Administration · 1955–2024
- Peak year (2017)
- 27
- Annual births at peak, across 70 years of records
Tamsin by decade
Total births in each ten-year window, peak vs trough at a glance
2010s was Tamsin's strongest decade.
173 babies received the name during that ten-year window, about 42% of all-time use.
Tamsin births by decade
Total births in each ten-year window
- 1950s 13
1950s
13 births
- 1960s 22
1960s
22 births
- 1970s 18
1970s
18 births
- 1980s 21
1980s
21 births
- 1990s 26
1990s
26 births
- 2000s
2000s
77 births
- 2010s
2010s
173 births
- 2020s 63
2020s
63 births
What this shows Peak: 2010s at 173 births (42% of all-time use).
Frequently Asked Questions
How popular is the name Tamsin? ▼
413 babies have been named Tamsin since 1955. It currently ranks #12353 among girls. The peak year was 2017 with 27 births.
When was Tamsin most popular? ▼
Tamsin was most popular in the 2010s decade with 173 total births. The single peak year was 2017.
How long has the name Tamsin been used? ▼
The SSA has tracked Tamsin since 1955 -- 70 years through the most recent 2024 data.
What names are similar to Tamsin? ▼
Names with a similar sound or spelling include Tammy, Tamara, Tami, Tammie, and 4 more. These share a common prefix and are also used for girls.
What to do with Tamsin's data
- Tamsin's usage has stayed within range of its 2010s decade-level peak (173 total births) through the 2020s (63) -- a comparatively stable name, not a fading trend.
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Tamsin
Nearby Names Like Tamsin
Names with a similar sound, spelling, or feel to Tamsin
Tammy Girl
#4794 332,015 births
Tamara Girl
#1761 131,286 births
Tami Girl
#11244 37,927 births
Tammie Girl
35,380 births
Tamika Girl
22,760 births
Compare Tamsin side by side: Tamsin vs Tammy Tamsin vs Tamara Tamsin vs Tami
Related Names
Names with a similar popularity rank to Tamsin
Seana #12352
1,905 births · Peak 1969
Valynn #12354
131 births · Peak 2018
Aquila #12351
760 births · Peak 1991
Mylea #12355
310 births · Peak 2008
Storme #12350
72 births · Peak 2000
Brandie #12356
15,839 births · Peak 1982
Kymberly #12349
3,046 births · Peak 1987
Dalynn #12357
423 births · Peak 1970
Data Sources
Data as of June 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1955–2024 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Tamsin: #12353 Girls' Name - 413 Births, Peak 2017." NameAlmanac. Accessed via https://namealmanac.com/name/tamsin. Licensed CC BY-SA 4.0.
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Tamsin draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.