Recorded 1912–1949 Boys' name Peak 1921 267 births

Doil — boys' name

267 babies named Doil in U.S. Social Security records since 1912, with the highest year being 1921. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1910s481920s1051930s801940s34
1920s
Peak decade

39% of everyone ever named Doil was born in this single decade.

1921
Single peak year

15 babies were named Doil in 1921 — its busiest year on record.

What the Data Says About Doil

The Social Security Administration has registered 267 babies named Doil between 1912 and 1949, spanning 38 consecutive years of U.S. birth records. As a boy's name, Doil currently falls outside the top 1,000 boys' names for 1949. The name reached its historical peak in 1921, when 15 babies received it in a single year.

Decade-level aggregation shows that Doil performed strongest in the 1920s, accumulating 105 births during that ten-year window. Across the 4 decades of recorded activity, Doil shows a clear decline from its mid-century high. 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 Doil in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Doil 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 267 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.

Doil at a glance

Last recorded 1949

Total births

267

Since 1912

38 years of records

Peak year

1921

15 births that year

Strongest decade: 1920s

Current rank

Unranked

Outside the modern top-1,000

As of 1949

Active since

1912

Recorded for 38 years

Last year on file: 1949

Doil popularity over time

Annual U.S. births registered with the Social Security Administration · 1949–1912

Last recorded 1949
Peak year (1921)
15
Annual births at peak — across 38 years of records
05101520 194919401935193119271923191919151912 5

Doil by decade

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

Peak: 1920s
Peak decade
1920s
105 births that decade — 39% of Doil's all-time total
1910s481920s1051930s801940s34

Doil by state

Where Doil concentrates geographically — total births since 1912

Geographically diffuse
Top 1 states by recorded births for the name Doil
Rank State Visual share Births Share of total
#1 Texas
5 1.9%
Texas share of Doil's total US births 1.9%

5 of 267 births nationwide.

Frequently Asked Questions

How popular is the name Doil?
267 babies have been named Doil since 1912. It was last recorded in 1949. The peak year was 1921 with 15 births.
When was Doil most popular?
Doil was most popular in the 1920s decade with 105 total births. The single peak year was 1921.
Where is Doil most popular?
The top states for the name Doil are Texas (5 births).
How long has the name Doil been used?
Doil has been recorded in Social Security data since 1912, spanning 38 years of data through 1949.
What names are similar to Doil?
Names with a similar sound or spelling include Dois. 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, 1912–1949 (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.