Recorded 1921–1970 Girls' name Peak 1930 38 births

Delfa — girls' name

38 babies named Delfa in U.S. Social Security records since 1921, with the highest year being 1930. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1920s121930s81940s71960s51970s6

The verdict

38 girls have been named Delfa since 1921, peaking in the 1920s, last recorded in 1970.

38
total births
1921–1970
years on record
1920s
peak decade
32%
born in that decade
1920s
Peak decade

32% of everyone ever named Delfa was born in this single decade.

1930
Single peak year

8 babies were named Delfa in 1930 — its busiest year on record.

What the Data Says About Delfa

The Social Security Administration has registered 38 babies named Delfa between 1921 and 1970, spanning 50 consecutive years of U.S. birth records. As a girl's name, Delfa currently falls outside the top 1,000 girls' names for 1970. The name reached its historical peak in 1930, when 8 babies received it in a single year.

Decade-level aggregation shows that Delfa performed strongest in the 1920s, accumulating 12 births during that ten-year window. Across the 5 decades of recorded activity, Delfa shows notable generational variation in parental adoption. Geographically, the name is most concentrated in Texas, which accounts for 5 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Delfa in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Delfa 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 38 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.

Delfa at a glance

Last recorded 1970

Total births

38

Since 1921

50 years of records

Peak year

1930

8 births that year

Strongest decade: 1920s

Current rank

Unranked

Outside the modern top-1,000

As of 1970

Active since

1921

Recorded for 50 years

Last year on file: 1970

Delfa popularity over time

Annual U.S. births registered with the Social Security Administration · 1970–1921

Last recorded 1970
Peak year (1930)
8
Annual births at peak — across 50 years of records
456789 197019661947193019241921 6

Delfa by decade

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

Peak: 1920s
Peak decade
1920s
12 births that decade — 32% of Delfa's all-time total
1920s121930s81940s71960s51970s6

Delfa by state

Where Delfa concentrates geographically — total births since 1921

Geographically diffuse
Top 1 states by recorded births for the name Delfa
Rank State Visual share Births Share of total
#1 Texas
5 13.2%
Texas share of Delfa's total US births 13.2%

5 of 38 births nationwide.

Frequently Asked Questions

How popular is the name Delfa?
38 babies have been named Delfa since 1921. It was last recorded in 1970. The peak year was 1930 with 8 births.
When was Delfa most popular?
Delfa was most popular in the 1920s decade with 12 total births. The single peak year was 1930.
Where is Delfa most popular?
The top states for the name Delfa are Texas (5 births).
How long has the name Delfa been used?
Delfa has been recorded in Social Security data since 1921, spanning 50 years of data through 1970.
What names are similar to Delfa?
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, 1921–1970 (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.