Total births
151
Boys' name · since 1927
Slyvester
151 babies named Slyvester in U.S. Social Security records since 1927, with the highest year being 1959. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- 151
- total births
- 1927–1995
- years on record
- 1960s
- peak decade
- 27%
- born in that decade
151 boys have been named Slyvester since 1927, though it isn't currently a top-ranked name.
Social Security Administration records show Slyvester recorded 151 times among boys since 1927, though it doesn't currently rank among the most-used boys names, peaking in the 1960s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1927 to 1995.
- 151 total births
- 1927–1995 years on record
- 1960s peak decade
- 27% born in that decade
Data updated Jul 2026
The verdict
151 boys have been named Slyvester since 1927, peaking in the 1960s, last recorded in 1995.
- 151
- total births
- 1927–1995
- years on record
- 1960s
- peak decade
- 27%
- born in that decade
1960s
Peak decade
27% of everyone ever named Slyvester was born in this single decade.
1959
Single peak year
9 babies were named Slyvester in 1959 - its busiest year on record.
Slyvester's usage pattern, beyond the headline number
Slyvester splits its recorded history at 1965: 48% of all births land in the more recent half, 52% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1927 (5 births) -- compare that against the 1959 peak of 9 for a sense of just how much the name's popularity has swung.
Slyvester at a glance
Last recorded 1995Peak year
1959
Current rank
Unranked
Active since
1927
Slyvester popularity over time
Annual U.S. births registered with the Social Security Administration · 1927–1995
- Peak year (1959)
- 9
- Annual births at peak, across 69 years of records
Slyvester by decade
Total births in each ten-year window, peak vs trough at a glance
1960s was Slyvester's strongest decade.
41 babies received the name during that ten-year window, about 27% of all-time use.
Slyvester births by decade
Total births in each ten-year window
- 1920s 12
1920s
12 births
- 1930s 5
1930s
5 births
- 1940s 12
1940s
12 births
- 1950s
1950s
26 births
- 1960s
1960s
41 births
- 1970s
1970s
40 births
- 1980s 5
1980s
5 births
- 1990s 10
1990s
10 births
What this shows Peak: 1960s at 41 births (27% of all-time use).
Frequently Asked Questions
How popular is the name Slyvester? ▼
151 babies have been named Slyvester since 1927. It was last recorded in 1995. The peak year was 1959 with 9 births.
When was Slyvester most popular? ▼
Slyvester was most popular in the 1960s decade with 41 total births. The single peak year was 1959.
How long has the name Slyvester been used? ▼
Records for Slyvester go back to 1927, giving 69 years of history through 1995.
What names are similar to Slyvester? ▼
Names with a similar sound or spelling include Sly. These share a common prefix and are also used for boys.
What to do with Slyvester's data
- Slyvester's decade-level peak was the 1960s (41 total births); usage has since declined to 10 in the 1990s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- 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 Slyvester
Nearby Names Like Slyvester
Names with a similar sound, spelling, or feel to Slyvester
Compare Slyvester side by side: Slyvester vs Sly
Related Names
Names with a similar number of total births
Data Sources
Data as of July 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, 1927–1995 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Slyvester: Baby Name Since 1927 - 151 Births, Peak 1959." NameAlmanac. Accessed via https://namealmanac.com/name/slyvester. 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 Slyvester 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 July 2026.