Boys' name · since 1918

Oneill

87 babies named Oneill in U.S. Social Security records since 1918, with the highest year being 2010. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

#18,321 of 45,481
all-time among boys
87
born since 1918
1980s
peak decade

87 boys have been named Oneill since 1918, though it isn't currently a top-ranked name.

Oneill has 87 recorded births among boys since 1918, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 1980s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1918 to 2017.

  • #18,321 of 45,481 all-time among boys
  • 87 born since 1918
  • 1980s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Oneill ranks #18,321 of 45,481 boys' names by all-time recorded births (highest first). 87 born since 1918, peaking in the 1980s.

#18,321 of 45,481
all-time among boys
87
born since 1918
1980s
peak decade
Below the archive median
All-time archive position

Oneill's 87 recorded births place it above 59.66% of the 45,481 boys names in the full SSA archive.

National only
State-record footprint

No state rows cleared SSA’s public reporting threshold for this name.

Oneill's usage pattern, beyond the headline number

Splitting Oneill's full recorded timeline at 1988, 53% of its total births fall in the more recent half of the record versus 47% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1918, with just 5 recorded births -- worth weighing against the 2010 peak of 8 to see the full range of the name's swing in popularity.

Oneill popularity over time

Annual U.S. births registered with the Social Security Administration · 1918–2017

Last recorded 2017
Peak year (2010)
8
Annual births at peak, across 100 years of records
456789 191819311943198519881990201020162017 5

Oneill by decade

1980s is the heaviest window (26 births, 30% of the file).

1980s was Oneill's strongest decade.

26 babies received the name during that ten-year window, about 30% of all-time use.

Oneill births by decade

Total births in each ten-year window

births

What this shows Peak: 1980s at 26 births (30% of all-time use).

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

Frequently Asked Questions

How popular is the name Oneill? ▼
Since 1918, Social Security records show 87 babies named Oneill. Across the full SSA archive it ranks #18,321 of 45,481 boys' names by total births. The most recent recorded year was 2017. Its busiest year on record was 2010, with 8 births.
Where does Oneill sit in the SSA name archive? ▼
According to the U.S. Social Security Administration, Oneill ranks #18,321 of 45,481 boys' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
When was Oneill most popular? ▼
Oneill was most popular in the 1980s decade with 26 total births. The single peak year was 2010.
How long has the name Oneill been used? ▼
Oneill has been recorded in Social Security data since 1918, spanning 100 years of data through 2017.
What names are similar to Oneill? ▼
Names with a similar sound or spelling include Oneal, Oneil, Onesimo, Oney, and 4 more. These share a common prefix and are also used for boys.

What to do with Oneill's data

  • Oneill's usage has stayed within range of its 1980s decade-level peak (26 total births) through the 2010s (24) -- a comparatively stable name, not a fading trend.

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Keep exploring Oneill

Nearby Names Like Oneill

Names with a similar sound, spelling, or feel to Oneill

Oneal Boy
#10732 3,049 births
Oneil Boy
#9745 1,757 births
Onesimo Boy
594 births
Oney Boy
109 births
Onesimus Boy
50 births

Compare Oneill side by side: Oneill vs Oneal Oneill vs Oneil Oneill vs Onesimo

Or pick any two names to compare →

Related Names

Names with a similar number of total births

Shed
87 births · Peak 1914
Reeder
87 births · Peak 1913
Bookert
87 births · Peak 1915
Mirl
87 births · Peak 1913
Baptiste
87 births · Peak 2018
Amato
87 births · Peak 1922
Osa
87 births · Peak 1916
Cabell
87 births · Peak 1920

Nationwide names with similar peak year or record span

Two nationwide peer axes for Oneill: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.

Data Sources

Data as of August 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, 1918–2017 (ssa.gov/oact/babynames).

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

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 Oneill 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 August 2026.