Recorded 1917–2025 Girls' name Peak 1917 248 births

Delsa — girls' name

248 babies named Delsa in U.S. Social Security records since 1917, with the highest year being 1917. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1910s211920s511930s391940s261950s241960s162010s372020s34

The verdict

248 girls have been named Delsa since 1917, peaking in the 1920s, last recorded in 2025.

248
total births
1917–2025
years on record
1920s
peak decade
21%
born in that decade
1920s
Peak decade

21% of everyone ever named Delsa was born in this single decade.

1917
Single peak year

11 babies were named Delsa in 1917 — its busiest year on record.

What the Data Says About Delsa

The Social Security Administration has registered 248 babies named Delsa between 1917 and 2025, spanning 109 consecutive years of U.S. birth records. As a girl's name, Delsa currently falls outside the top 1,000 girls' names for 2025. The name reached its historical peak in 1917, when 11 babies received it in a single year.

Decade-level aggregation shows that Delsa performed strongest in the 1920s, accumulating 51 births during that ten-year window. Across the 8 decades of recorded activity, Delsa shows notable generational variation in parental adoption. Geographically, the name is most concentrated in California, which accounts for 6 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Delsa in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Delsa in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 248 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Delsa at a glance

Last recorded 2025

Total births

248

Since 1917

109 years of records

Peak year

1917

11 births that year

Strongest decade: 1920s

Current rank

Unranked

Outside the modern top-1,000

As of 2025

Active since

1917

Recorded for 109 years

Last year on file: 2025

Delsa popularity over time

Annual U.S. births registered with the Social Security Administration · 2025–1917

Last recorded 2025
Peak year (1917)
11
Annual births at peak — across 109 years of records
4681012 202520181969195219431931192519181917 11

Delsa by decade

Total births in each ten-year window — peak vs trough at a glance

Peak: 1920s
Peak decade
1920s
51 births that decade — 21% of Delsa's all-time total
1910s211920s511930s391940s261950s241960s162010s372020s34

Delsa by state

Where Delsa concentrates geographically — total births since 1917

Geographically diffuse
Top 1 states by recorded births for the name Delsa
Rank State Visual share Births Share of total
#1 California
6 2.4%
California share of Delsa's total US births 2.4%

6 of 248 births nationwide.

Frequently Asked Questions

How popular is the name Delsa?
248 babies have been named Delsa since 1917. It was last recorded in 2025. The peak year was 1917 with 11 births.
When was Delsa most popular?
Delsa was most popular in the 1920s decade with 51 total births. The single peak year was 1917.
Where is Delsa most popular?
The top states for the name Delsa are California (6 births).
How long has the name Delsa been used?
Delsa has been recorded in Social Security data since 1917, spanning 109 years of data through 2025.
What names are similar to Delsa?
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.

Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1917–2025 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.