Boys' name · since 1919
Delfin
Delfin has 280 recorded births since 1919 in federal Social Security data, most heavily in 1969 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #11,006 of 45,481
- all-time among boys
- 280
- born since 1919
- 1960s
- peak decade
Delfin sits outside today's top ranks for boys, with 280 recorded since 1919.
Delfin has 280 recorded births among boys since 1919, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 1960s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1919 to 2023.
- #11,006 of 45,481 all-time among boys
- 280 born since 1919
- 1960s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Delfin ranks #11,006 of 45,481 boys' names by all-time recorded births (highest first). 280 born since 1919, peaking in the 1960s.
- #11,006 of 45,481
- all-time among boys
- 280
- born since 1919
- 1960s
- peak decade
Delfin's 280 recorded births place it above 75.76% of the 45,481 boys names in the full SSA archive.
The state file records this name in 2 jurisdictions, led by New Mexico.
Delfin's usage pattern, beyond the headline number
Divide Delfin's SSA record in two at 1967 and the more recent half accounts for 50% of all births, the earlier half the remaining 50%, a genuinely balanced usage pattern. Its calmest year was 1919, with only 5 births recorded -- set against the 1969 peak of 11, that's the full swing in one name's fortunes.
Delfin popularity over time
Annual U.S. births registered with the Social Security Administration · 1919–2023
- Peak year (1969)
- 11
- Annual births at peak, across 105 years of records
Delfin by decade
1960s is the heaviest window (64 births, 23% of the file).
1960s was Delfin's strongest decade.
64 babies received the name during that ten-year window, about 23% of all-time use.
Delfin births by decade
Total births in each ten-year window
- 1910s 5
1910s
5 births
- 1920s 5
1920s
5 births
- 1930s 22
1930s
22 births
- 1940s 21
1940s
21 births
- 1950s
1950s
49 births
- 1960s
1960s
64 births
- 1970s
1970s
58 births
- 1980s 16
1980s
16 births
- 1990s 17
1990s
17 births
- 2000s 17
2000s
17 births
- 2020s 6
2020s
6 births
What this shows Peak: 1960s at 64 births (23% of all-time use).
Delfin by state
Where Delfin concentrates geographically, total births since 1919
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | New Mexico | | 5 | 1.8% |
| #2 | New York | | 5 | 1.8% |
5 of 280 births nationwide. Compared to a flat distribution across 2 reporting states.
Frequently Asked Questions
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What to do with Delfin's data
- Delfin's decade-level peak was the 1960s (64 total births); usage has since declined to 6 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- New Mexico records the most Delfins (5 births) -- see the full state breakdown if geography matters to your decision. New Mexico names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Delfin
Nearby Names Like Delfin
Names with a similar sound, spelling, or feel to Delfin
Compare Delfin side by side: Delfin vs Delbert Delfin vs Delmar Delfin vs Delmer
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Delfin: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1969)
Similar record span (~104 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 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, 1919–2023 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
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 Delfin 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 August 2026.