Total births
667
Boys' name · since 1881
Deforest
667 babies named Deforest in U.S. Social Security records since 1881, with the highest year being 1920. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- 667
- total births
- 1881–2001
- years on record
- 1920s
- peak decade
- 26%
- born in that decade
Deforest sits outside today's top ranks for boys, with 667 recorded since 1881.
According to the U.S. Social Security Administration, Deforest has been recorded 667 times among boys since 1881, though it is not among the currently most-used boys names, with its heaviest use in the 1920s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1881 to 2001.
- 667 total births
- 1881–2001 years on record
- 1920s peak decade
- 26% born in that decade
Data updated Jun 2026
The verdict
667 boys have been named Deforest since 1881, peaking in the 1920s, last recorded in 2001.
- 667
- total births
- 1881–2001
- years on record
- 1920s
- peak decade
- 26%
- born in that decade
1920s
Peak decade
26% of everyone ever named Deforest was born in this single decade.
1920
Single peak year
26 babies were named Deforest in 1920 - its busiest year on record.
Deforest's usage pattern, beyond the headline number
Deforest splits its recorded history at 1939: 36% of all births land in the more recent half, 64% in the earlier half, leaning more toward its earlier era than today's. The single quietest year was 1894 (5 births) -- compare that against the 1920 peak of 26 for a sense of just how much the name's popularity has swung.
Deforest at a glance
Last recorded 2001Peak year
1920
Current rank
Unranked
Active since
1881
Deforest popularity over time
Annual U.S. births registered with the Social Security Administration · 1881–2001
- Peak year (1920)
- 26
- Annual births at peak, across 121 years of records
Deforest by decade
Total births in each ten-year window, peak vs trough at a glance
1920s was Deforest's strongest decade.
174 babies received the name during that ten-year window, about 26% of all-time use.
Deforest births by decade
Total births in each ten-year window
- 1880s 9
1880s
9 births
- 1890s 17
1890s
17 births
- 1900s 12
1900s
12 births
- 1910s
1910s
127 births
- 1920s
1920s
174 births
- 1930s
1930s
94 births
- 1940s
1940s
79 births
- 1950s 48
1950s
48 births
- 1960s 31
1960s
31 births
- 1970s 37
1970s
37 births
- 1990s 34
1990s
34 births
- 2000s 5
2000s
5 births
What this shows Peak: 1920s at 174 births (26% of all-time use).
How Deforest compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Deforest's total volume
Deforest vs 15 similarly-sized boys names
Deforest by state
Where Deforest concentrates geographically, total births since 1881
Frequently Asked Questions
How popular is the name Deforest? ▼
667 babies have been named Deforest since 1881. It was last recorded in 2001. The peak year was 1920 with 26 births.
When was Deforest most popular? ▼
Deforest was most popular in the 1920s decade with 174 total births. The single peak year was 1920.
Where is Deforest most popular? ▼
The top states for the name Deforest are New York (82 births), Georgia (5 births).
How long has the name Deforest been used? ▼
Deforest has been recorded in Social Security data since 1881, spanning 121 years of data through 2001.
What names are similar to Deforest? ▼
Names with a similar sound or spelling include Deforrest, Defonta. These share a common prefix and are also used for boys.
What to do with Deforest's data
- Deforest's decade-level peak was the 1920s (174 total births); usage has since declined to 5 in the 2000s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- New York records the most Deforests (82 births) -- see the full state breakdown if geography matters to your decision. New York 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 Deforest
Nearby Names Like Deforest
Names with a similar sound, spelling, or feel to Deforest
Compare Deforest side by side: Deforest vs Deforrest Deforest vs Defonta
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, 1881–2001 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Deforest: Baby Name Since 1881 - 667 Births, Peak 1920." NameAlmanac. Accessed via https://namealmanac.com/name/deforest. 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 Deforest 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.