Girls' name · since 1915
Deltha
Since 1915, U.S. Social Security records show 141 babies named Deltha, peaking in 1922. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #23,406 of 72,339
- all-time among girls
- 141
- born since 1915
- 1920s
- peak decade
Deltha sits outside today's top ranks for girls, with 141 recorded since 1915.
Deltha has 141 recorded births among girls since 1915, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 1920s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1915 to 1948.
- #23,406 of 72,339 all-time among girls
- 141 born since 1915
- 1920s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Deltha ranks #23,406 of 72,339 girls' names by all-time recorded births (highest first). 141 born since 1915, peaking in the 1920s.
- #23,406 of 72,339
- all-time among girls
- 141
- born since 1915
- 1920s
- peak decade
Deltha's 141 recorded births place it above 67.58% of the 72,339 girls names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
Deltha's usage pattern, beyond the headline number
Divide Deltha's SSA record in two at 1925 and the more recent half accounts for 47% of all births, the earlier half the remaining 53%, a genuinely balanced usage pattern. Its calmest year was 1916, with only 5 births recorded -- set against the 1922 peak of 12, that's the full swing in one name's fortunes.
Deltha popularity over time
Annual U.S. births registered with the Social Security Administration · 1915–1948
- Peak year (1922)
- 12
- Annual births at peak, across 34 years of records
Deltha by decade
1920s is the heaviest window (85 births, 60% of the file).
1920s was Deltha's strongest decade.
85 babies received the name during that ten-year window, about 60% of all-time use.
Deltha births by decade
Total births in each ten-year window
- 1910s 27
1910s
27 births
- 1920s
1920s
85 births
- 1930s 19
1930s
19 births
- 1940s 10
1940s
10 births
What this shows Peak: 1920s at 85 births (60% of all-time use).
Frequently Asked Questions
How popular is the name Deltha? ▼
Where does Deltha sit in the SSA name archive? ▼
When was Deltha most popular? ▼
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What to do with Deltha's data
- Deltha's decade-level peak was the 1920s (85 total births); usage has since declined to 10 in the 1940s -- if you're weighing a "classic revival" angle, the trend line argues against it.
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Deltha
Nearby Names Like Deltha
Names with a similar sound, spelling, or feel to Deltha
Compare Deltha side by side: Deltha vs Delores Deltha vs Della Deltha 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 Deltha: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1922)
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, 1915–1948 (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 Deltha 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.