Total births
46
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.
- 46
- total births
- 1904–1937
- years on record
- 1930s
- peak decade
- 39%
- born in that 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.
- 46 total births
- 1904–1937 years on record
- 1930s peak decade
- 39% born in that decade
Data updated Jun 2026
The verdict
46 girls have been named Delfinia since 1904, peaking in the 1930s, last recorded in 1937.
- 46
- total births
- 1904–1937
- years on record
- 1930s
- peak decade
- 39%
- born in that decade
1930s
Peak decade
39% of everyone ever named Delfinia was born in this single decade.
1930
Single peak year
8 babies were named Delfinia in 1930 - its busiest year on record.
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 at a glance
Last recorded 1937Peak year
1930
Current rank
Unranked
Active since
1904
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
Total births in each ten-year window, peak vs trough at a glance
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% |
New Mexico share of Delfinia's total US births 43.5%
20 of 46 births nationwide.
Frequently Asked Questions
How popular is the name Delfinia? ▼
46 babies have been named Delfinia since 1904. It was last recorded in 1937. The peak year was 1930 with 8 births.
When was Delfinia most popular? ▼
Delfinia was most popular in the 1930s decade with 18 total births. The single peak year was 1930.
Where is Delfinia most popular? ▼
The top states for the name Delfinia are New Mexico (20 births).
How long has the name Delfinia been used? ▼
Delfinia has been recorded in Social Security data since 1904, spanning 34 years of data through 1937.
What names are similar to Delfinia? ▼
Names with a similar sound or spelling include Delores, Della, Delilah, Delaney, and 4 more. These share a common prefix and are also used for girls.
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
- 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 Delfinia
Nearby Names Like Delfinia
Names with a similar sound, spelling, or feel to Delfinia
Delores Girl
#10300 117,821 births
Della Girl
#579 70,810 births
Delilah Girl
#50 66,683 births
Delaney Girl
#216 45,437 births
Delia Girl
#1509 37,318 births
Compare Delfinia side by side: Delfinia vs Delores Delfinia vs Della Delfinia vs Delilah
Related Names
Names with a similar number of total births
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, 1904–1937 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Delfinia: Baby Name Since 1904 - 46 Births, Peak 1930." NameAlmanac. Accessed via https://namealmanac.com/name/delfinia. 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 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 June 2026.