Total births
700
Girls' name · since 1935
Su
Since 1935, U.S. Social Security records show 700 babies named Su, peaking in 1957. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 700
- total births
- 1935–2025
- years on record
- 1950s
- peak decade
- 20%
- born in that decade
700 girls have been named Su since 1935, though it isn't currently a top-ranked name.
Social Security Administration records show Su recorded 700 times among girls since 1935, though it doesn't currently rank among the most-used girls names, peaking in the 1950s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1935 to 2025.
- 700 total births
- 1935–2025 years on record
- 1950s peak decade
- 20% born in that decade
Data updated Jul 2026
The verdict
700 girls have been named Su since 1935, peaking in the 1950s, last recorded in 2025.
- 700
- total births
- 1935–2025
- years on record
- 1950s
- peak decade
- 20%
- born in that decade
1950s
Peak decade
20% of everyone ever named Su was born in this single decade.
1957
Single peak year
22 babies were named Su in 1957 - its busiest year on record.
Su's usage pattern, beyond the headline number
Splitting Su's full recorded timeline at 1979, 44% of its total births fall in the more recent half of the record versus 56% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1965, with just 5 recorded births -- worth weighing against the 1957 peak of 22 to see the full range of the name's swing in popularity.
Su at a glance
Last recorded 2025Peak year
1957
Current rank
Unranked
Active since
1935
Su popularity over time - girls
Annual U.S. births registered with the Social Security Administration · 1935–2025
- Peak year (1957)
- 22
- Annual births at peak, across 91 years of records
Su popularity over time - boys
33 total births recorded since 1982 (Su as boys' name)
Su by decade
Total births in each ten-year window, peak vs trough at a glance
1950s was Su's strongest decade.
141 babies received the name during that ten-year window, about 20% of all-time use.
Su births by decade
Total births in each ten-year window
- 1930s 13
1930s
13 births
- 1940s
1940s
91 births
- 1950s
1950s
141 births
- 1960s
1960s
91 births
- 1970s
1970s
69 births
- 1980s
1980s
66 births
- 1990s
1990s
62 births
- 2000s
2000s
61 births
- 2010s
2010s
80 births
- 2020s 26
2020s
26 births
What this shows Peak: 1950s at 141 births (20% of all-time use).
How Su compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Su's total volume
Su vs 15 similarly-sized girls names
Su by state
Where Su concentrates geographically, total births since 1935
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | New York | | 5 | 0.7% |
New York share of Su's total US births 0.7%
5 of 700 births nationwide.
Frequently Asked Questions
How popular is the name Su? ▼
Su has been given to 700 babies in the U.S. since 1935, according to SSA data. Its last appearance in the data was 2025. 22 babies were born in 1957, its single highest year.
When was Su most popular? ▼
Su was most popular in the 1950s decade with 141 total births. The single peak year was 1957.
Where is Su most popular? ▼
The top states for the name Su are New York (5 births).
How long has the name Su been used? ▼
Su has been recorded in Social Security data since 1935, spanning 91 years of data through 2025.
What names are similar to Su? ▼
Names with a similar sound or spelling include Susan, Suzanne, Sue, Summer, and 4 more. These share a common prefix and are also used for girls.
What to do with Su's data
- Su's decade-level peak was the 1950s (141 total births); usage has since declined to 26 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- New York records the most Sus (5 births) -- see the full state breakdown if geography matters to your decision. New York names
- 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 Su
Nearby Names Like Su
Names with a similar sound, spelling, or feel to Su
Susan Girl
#1120 1,123,481 births
Suzanne Girl
#2533 219,309 births
Sue Girl
#7967 144,536 births
Summer Girl
#142 91,321 births
Susie Girl
#2328 85,789 births
Compare Su side by side: Su vs Susan Su vs Suzanne Su vs Sue
Related Names
Names with a similar number of total births
Data Sources
Data as of July 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, 1935–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Su: Baby Name Since 1935 - 700 Births, Peak 1957." NameAlmanac. Accessed via https://namealmanac.com/name/su. 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 Su 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 July 2026.