Recorded 1934–1940 Boys' name Peak 1934 17 births

Delphus — boys' name

17 babies named Delphus in U.S. Social Security records since 1934, with the highest year being 1934. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1930s121940s5

The verdict

17 boys have been named Delphus since 1934, peaking in the 1930s, last recorded in 1940.

17
total births
1934–1940
years on record
1930s
peak decade
71%
born in that decade
1930s
Peak decade

71% of everyone ever named Delphus was born in this single decade.

1934
Single peak year

6 babies were named Delphus in 1934 — its busiest year on record.

What the Data Says About Delphus

The Social Security Administration has registered 17 babies named Delphus between 1934 and 1940, spanning 7 consecutive years of U.S. birth records. As a boy's name, Delphus currently falls outside the top 1,000 boys' names for 1940. The name reached its historical peak in 1934, when 6 babies received it in a single year.

Decade-level aggregation shows that Delphus performed strongest in the 1930s, accumulating 12 births during that ten-year window. Across the 2 decades of recorded activity, Delphus shows notable generational variation in parental adoption.

No etymological entry is currently available for Delphus 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 17 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.

Delphus at a glance

Last recorded 1940

Total births

17

Since 1934

7 years of records

Peak year

1934

6 births that year

Strongest decade: 1930s

Current rank

Unranked

Outside the modern top-1,000

As of 1940

Active since

1934

Recorded for 7 years

Last year on file: 1940

Delphus popularity over time

Annual U.S. births registered with the Social Security Administration · 1940–1934

Last recorded 1940
Peak year (1934)
6
Annual births at peak — across 7 years of records
4.555.566.5 194019391934 6

Delphus by decade

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

Peak: 1930s
Peak decade
1930s
12 births that decade — 71% of Delphus's all-time total
1930s121940s5

Frequently Asked Questions

How popular is the name Delphus?
17 babies have been named Delphus since 1934. It was last recorded in 1940. The peak year was 1934 with 6 births.
When was Delphus most popular?
Delphus was most popular in the 1930s decade with 12 total births. The single peak year was 1934.
How long has the name Delphus been used?
Delphus has been recorded in Social Security data since 1934, spanning 7 years of data through 1940.
What names are similar to Delphus?
Names with a similar sound or spelling include Delbert, Delmar, Delmer, Delano, and 4 more. These share a common prefix and are also used for boys.

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, 1934–1940 (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.