Boys' name · since 1956
Williiam
Williiam has 25 recorded births since 1956 in federal Social Security data, most heavily in 1956 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #27,401 of 45,481
- all-time among boys
- 25
- born since 1956
- 1950s
- peak decade
25 boys have been named Williiam since 1956, though it isn't currently a top-ranked name.
Williiam has 25 recorded births among boys since 1956, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 1950s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1956 to 1994.
- #27,401 of 45,481 all-time among boys
- 25 born since 1956
- 1950s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Williiam ranks #27,401 of 45,481 boys' names by all-time recorded births (highest first). 25 born since 1956, peaking in the 1950s.
- #27,401 of 45,481
- all-time among boys
- 25
- born since 1956
- 1950s
- peak decade
Williiam's 25 recorded births place it above 39.7% of the 45,481 boys names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
Williiam's usage pattern, beyond the headline number
Williiam splits its recorded history at 1959: 60% of all births land in the more recent half, 40% in the earlier half, a lean toward present-day use rather than a passing spike. The single quietest year was 1956 (5 births).
Williiam popularity over time
Annual U.S. births registered with the Social Security Administration · 1956–1994
- Peak year (1956)
- 5
- Annual births at peak, across 39 years of records
Williiam by decade
1950s is the heaviest window (15 births, 60% of the file).
1950s was Williiam's strongest decade.
15 babies received the name during that ten-year window, about 60% of all-time use.
Williiam births by decade
Total births in each ten-year window
- 1950s
1950s
15 births
- 1960s 5
1960s
5 births
- 1990s 5
1990s
5 births
What this shows Peak: 1950s at 15 births (60% of all-time use).
Frequently Asked Questions
How popular is the name Williiam? ▼
Where does Williiam sit in the SSA name archive? ▼
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What to do with Williiam's data
- Williiam's usage has stayed within range of its 1950s decade-level peak (15 total births) through the 1990s (5) -- 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 Williiam
Nearby Names Like Williiam
Names with a similar sound, spelling, or feel to Williiam
Compare Williiam side by side: Williiam vs William Williiam vs Willie Williiam vs Willard
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Williiam: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1956)
Similar record span (~38 yrs)
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, 1956–1994 (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 Williiam 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.