Boys' name · since 1916

Deloy

Deloy has 398 recorded births since 1916 in federal Social Security data, most heavily in 1930 -- full year-by-year trend, decade aggregates, and state rankings follow.

398
total births
1916–1975
years on record
1930s
peak decade
37%
born in that decade

398 boys have been named Deloy since 1916, though it isn't currently a top-ranked name.

According to the U.S. Social Security Administration, Deloy has been recorded 398 times among boys since 1916, though it is not among the currently most-used boys names, with its heaviest use in the 1930s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1916 to 1975.

  • 398 total births
  • 1916–1975 years on record
  • 1930s peak decade
  • 37% born in that decade

Data updated Jul 2026

The verdict

398 boys have been named Deloy since 1916, peaking in the 1930s, last recorded in 1975.

398
total births
1916–1975
years on record
1930s
peak decade
37%
born in that decade
1930s
Peak decade

37% of everyone ever named Deloy was born in this single decade.

1930
Single peak year

21 babies were named Deloy in 1930 - its busiest year on record.

Deloy's usage pattern, beyond the headline number

Deloy splits its recorded history at 1938: 44% of all births land in the more recent half, 56% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1945 (5 births) -- compare that against the 1930 peak of 21 for a sense of just how much the name's popularity has swung.

Deloy at a glance

Last recorded 1975

Total births

398

Since 1916

60 years of records

Peak year

1930

21 births that year

Strongest decade: 1930s

Current rank

Unranked

Outside the modern top-1,000

As of 1975

Active since

1916

Recorded for 60 years

Last year on file: 1975

Deloy popularity over time

Annual U.S. births registered with the Social Security Administration · 1916–1975

Last recorded 1975
Peak year (1930)
21
Annual births at peak, across 60 years of records
0510152025 191619241929193419391944195219631975 6

Deloy by decade

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

1930s was Deloy's strongest decade.

146 babies received the name during that ten-year window, about 37% of all-time use.

Deloy births by decade

Total births in each ten-year window

births

What this shows Peak: 1930s at 146 births (37% of all-time use).

Source U.S. Social Security Administration · Baby Names As of July 2026

Deloy by state

Where Deloy concentrates geographically, total births since 1916

Regionally concentrated
Top 1 states by recorded births for the name Deloy
Rank State Visual share Births Share of total
#1 Utah
81 20.4%
Utah share of Deloy's total US births 20.4%

81 of 398 births nationwide.

Frequently Asked Questions

How popular is the name Deloy?
Since 1916, Social Security records show 398 babies named Deloy. The most recent recorded year was 1975. Its busiest year on record was 1930, with 21 births.
When was Deloy most popular?
Deloy was most popular in the 1930s decade with 146 total births. The single peak year was 1930.
Where is Deloy most popular?
The top states for the name Deloy are Utah (81 births).
How long has the name Deloy been used?
Deloy has been recorded in Social Security data since 1916, spanning 60 years of data through 1975.
What names are similar to Deloy?
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.

What to do with Deloy's data

  • Deloy's decade-level peak was the 1930s (146 total births); usage has since declined to 6 in the 1970s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • Utah records the most Deloys (81 births) -- see the full state breakdown if geography matters to your decision. Utah 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.

Data Sources

Data as of July 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, 1916–1975 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Deloy: Baby Name Since 1916 - 398 Births, Peak 1930." NameAlmanac. Accessed via https://namealmanac.com/name/deloy. 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 Deloy 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 July 2026.