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.
- #14,715 of 45,481
- all-time among boys
- 151
- born since 1927
- 1960s
- peak 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.
- #14,715 of 45,481 all-time among boys
- 151 born since 1927
- 1960s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Slyvester ranks #14,715 of 45,481 boys' names by all-time recorded births (highest first). 151 born since 1927, peaking in the 1960s.
- #14,715 of 45,481
- all-time among boys
- 151
- born since 1927
- 1960s
- peak decade
Slyvester's 151 recorded births place it above 67.62% of the 45,481 boys names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
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 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
1960s is the heaviest window (41 births, 27% of the file).
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? ▼
Where does Slyvester sit in the SSA name archive? ▼
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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.
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
Nationwide names with similar peak year or record span
Two nationwide peer axes for Slyvester: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1959)
Similar record span (~68 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, 1927–1995 (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 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 August 2026.