Girls' name · since 1904
Delfinia
Delfinia has 46 recorded births since 1904 in federal Social Security data, most heavily in 1930 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #35,900 of 72,339
- all-time among girls
- 46
- born since 1904
- 1930s
- peak decade
Delfinia is not among the current top-ranked girls names; 46 have been recorded since 1904.
Delfinia has 46 recorded births among girls since 1904, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 1930s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1904 to 1937.
- #35,900 of 72,339 all-time among girls
- 46 born since 1904
- 1930s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Delfinia ranks #35,900 of 72,339 girls' names by all-time recorded births (highest first). 46 born since 1904, peaking in the 1930s.
- #35,900 of 72,339
- all-time among girls
- 46
- born since 1904
- 1930s
- peak decade
Delfinia's 46 recorded births place it above 50.1% of the 72,339 girls names in the full SSA archive.
The state file records this name in 1 jurisdictions, led by New Mexico.
Delfinia's usage pattern, beyond the headline number
Divide Delfinia's SSA record in two at 1923 and the more recent half accounts for 54% of all births, the earlier half the remaining 46%, a genuinely balanced usage pattern. Its calmest year was 1904, with only 5 births recorded -- set against the 1930 peak of 8, that's the full swing in one name's fortunes.
Delfinia popularity over time
Annual U.S. births registered with the Social Security Administration · 1904–1937
- Peak year (1930)
- 8
- Annual births at peak, across 34 years of records
Delfinia by decade
1930s is the heaviest window (18 births, 39% of the file).
1930s was Delfinia's strongest decade.
18 babies received the name during that ten-year window, about 39% of all-time use.
Delfinia births by decade
Total births in each ten-year window
- 1900s
1900s
11 births
- 1910s 5
1910s
5 births
- 1920s
1920s
12 births
- 1930s
1930s
18 births
What this shows Peak: 1930s at 18 births (39% of all-time use).
Delfinia by state
Where Delfinia concentrates geographically, total births since 1904
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | New Mexico | | 20 | 43.5% |
20 of 46 births nationwide.
Frequently Asked Questions
How popular is the name Delfinia? ▼
Where does Delfinia sit in the SSA name archive? ▼
When was Delfinia most popular? ▼
Where is Delfinia most popular? ▼
How long has the name Delfinia been used? ▼
What names are similar to Delfinia? ▼
What to do with Delfinia's data
- New Mexico records the most Delfinias (20 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 Delfinia
Nearby Names Like Delfinia
Names with a similar sound, spelling, or feel to Delfinia
Compare Delfinia side by side: Delfinia vs Delores Delfinia vs Della Delfinia vs Delilah
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Delfinia: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1930)
Similar record span (~33 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, 1904–1937 (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 Delfinia 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.