Total births
425
Girls' name · since 1921
Deloria
425 babies named Deloria in U.S. Social Security records since 1921, with the highest year being 1951. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- 425
- total births
- 1921–1985
- years on record
- 1940s
- peak decade
- 25%
- born in that decade
425 girls have been named Deloria since 1921, though it isn't currently a top-ranked name.
According to the U.S. Social Security Administration, Deloria has been recorded 425 times among girls since 1921, though it is not among the currently most-used girls names, with its heaviest use in the 1940s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1921 to 1985.
- 425 total births
- 1921–1985 years on record
- 1940s peak decade
- 25% born in that decade
Data updated Jun 2026
The verdict
425 girls have been named Deloria since 1921, peaking in the 1940s, last recorded in 1985.
- 425
- total births
- 1921–1985
- years on record
- 1940s
- peak decade
- 25%
- born in that decade
1940s
Peak decade
25% of everyone ever named Deloria was born in this single decade.
1951
Single peak year
18 babies were named Deloria in 1951 - its busiest year on record.
Deloria's usage pattern, beyond the headline number
Splitting Deloria's full recorded timeline at 1950, 51% of its total births fall in the more recent half of the record versus 49% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1921, with just 5 recorded births -- worth weighing against the 1951 peak of 18 to see the full range of the name's swing in popularity.
Deloria at a glance
Last recorded 1985Peak year
1951
Current rank
Unranked
Active since
1921
Deloria popularity over time
Annual U.S. births registered with the Social Security Administration · 1921–1985
- Peak year (1951)
- 18
- Annual births at peak, across 65 years of records
Deloria by decade
Total births in each ten-year window, peak vs trough at a glance
1940s was Deloria's strongest decade.
106 babies received the name during that ten-year window, about 25% of all-time use.
Deloria births by decade
Total births in each ten-year window
- 1920s 19
1920s
19 births
- 1930s
1930s
82 births
- 1940s
1940s
106 births
- 1950s
1950s
100 births
- 1960s
1960s
76 births
- 1970s 32
1970s
32 births
- 1980s 10
1980s
10 births
What this shows Peak: 1940s at 106 births (25% of all-time use).
Deloria by state
Where Deloria concentrates geographically, total births since 1921
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Alabama | | 7 | 1.6% |
Alabama share of Deloria's total US births 1.6%
7 of 425 births nationwide.
Frequently Asked Questions
How popular is the name Deloria? ▼
425 babies have been named Deloria since 1921. It was last recorded in 1985. The peak year was 1951 with 18 births.
When was Deloria most popular? ▼
Deloria was most popular in the 1940s decade with 106 total births. The single peak year was 1951.
Where is Deloria most popular? ▼
The top states for the name Deloria are Alabama (7 births).
How long has the name Deloria been used? ▼
The SSA has tracked Deloria since 1921 -- 65 years through the most recent 1985 data.
What names are similar to Deloria? ▼
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 Deloria's data
- Deloria's decade-level peak was the 1940s (106 total births); usage has since declined to 10 in the 1980s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Alabama records the most Delorias (7 births) -- see the full state breakdown if geography matters to your decision. Alabama 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 Deloria
Nearby Names Like Deloria
Names with a similar sound, spelling, or feel to Deloria
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 Deloria side by side: Deloria vs Delores Deloria vs Della Deloria 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, 1921–1985 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Deloria: Baby Name Since 1921 - 425 Births, Peak 1951." NameAlmanac. Accessed via https://namealmanac.com/name/deloria. 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 Deloria 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.