Total births
25
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.
- 25
- total births
- 1956–1994
- years on record
- 1950s
- peak decade
- 60%
- born in that 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.
- 25 total births
- 1956–1994 years on record
- 1950s peak decade
- 60% born in that decade
Data updated Jun 2026
The verdict
25 boys have been named Williiam since 1956, peaking in the 1950s, last recorded in 1994.
- 25
- total births
- 1956–1994
- years on record
- 1950s
- peak decade
- 60%
- born in that decade
1950s
Peak decade
60% of everyone ever named Williiam was born in this single decade.
1956
Single peak year
5 babies were named Williiam in 1956 - its busiest year on record.
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 at a glance
Last recorded 1994Peak year
1956
Current rank
Unranked
Active since
1956
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
Total births in each ten-year window, peak vs trough at a glance
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? ▼
Since 1956, Social Security records show 25 babies named Williiam. The most recent recorded year was 1994. Its busiest year on record was 1956, with 5 births.
When was Williiam most popular? ▼
Williiam was most popular in the 1950s decade with 15 total births. The single peak year was 1956.
How long has the name Williiam been used? ▼
Records for Williiam go back to 1956, giving 39 years of history through 1994.
What names are similar to Williiam? ▼
Names with a similar sound or spelling include William, Willie, Willard, Wilbur, and 4 more. These share a common prefix and are also used for boys.
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.
- 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 Williiam
Nearby Names Like Williiam
Names with a similar sound, spelling, or feel to Williiam
William Boy
#10 4,199,696 births
Willie Boy
#1364 450,188 births
Willard Boy
#2958 77,658 births
Wilbur Boy
#2959 56,906 births
Willis Boy
#2638 52,336 births
Compare Williiam side by side: Williiam vs William Williiam vs Willie Williiam vs Willard
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, 1956–1994 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Williiam: Baby Name Since 1956 - 25 Births, Peak 1956." NameAlmanac. Accessed via https://namealmanac.com/name/williiam. 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 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 June 2026.