Boys' name · since 1951
Sigfredo
Since 1951, U.S. Social Security records show 252 babies named Sigfredo, peaking in 1958. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #11,624 of 45,481
- all-time among boys
- 252
- born since 1951
- 1970s
- peak decade
Sigfredo sits outside today's top ranks for boys, with 252 recorded since 1951.
Sigfredo has 252 recorded births among boys since 1951, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 1970s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1951 to 2000.
- #11,624 of 45,481 all-time among boys
- 252 born since 1951
- 1970s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Sigfredo ranks #11,624 of 45,481 boys' names by all-time recorded births (highest first). 252 born since 1951, peaking in the 1970s.
- #11,624 of 45,481
- all-time among boys
- 252
- born since 1951
- 1970s
- peak decade
Sigfredo's 252 recorded births place it above 74.43% of the 45,481 boys names in the full SSA archive.
The state file records this name in 1 jurisdictions, led by New York.
Sigfredo's usage pattern, beyond the headline number
Divide Sigfredo's SSA record in two at 1976 and the more recent half accounts for 44% of all births, the earlier half the remaining 56%, a genuinely balanced usage pattern. Its calmest year was 1957, with only 5 births recorded -- set against the 1958 peak of 14, that's the full swing in one name's fortunes.
Sigfredo popularity over time
Annual U.S. births registered with the Social Security Administration · 1951–2000
- Peak year (1958)
- 14
- Annual births at peak, across 50 years of records
Sigfredo by decade
1970s is the heaviest window (88 births, 35% of the file).
1970s was Sigfredo's strongest decade.
88 babies received the name during that ten-year window, about 35% of all-time use.
Sigfredo births by decade
Total births in each ten-year window
- 1950s 26
1950s
26 births
- 1960s
1960s
51 births
- 1970s
1970s
88 births
- 1980s
1980s
51 births
- 1990s 31
1990s
31 births
- 2000s 5
2000s
5 births
What this shows Peak: 1970s at 88 births (35% of all-time use).
Sigfredo by state
Where Sigfredo concentrates geographically, total births since 1951
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | New York | | 54 | 21.4% |
54 of 252 births nationwide.
Frequently Asked Questions
How popular is the name Sigfredo? ▼
Where does Sigfredo sit in the SSA name archive? ▼
When was Sigfredo most popular? ▼
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What to do with Sigfredo's data
- Sigfredo's decade-level peak was the 1970s (88 total births); usage has since declined to 5 in the 2000s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- New York records the most Sigfredos (54 births) -- see the full state breakdown if geography matters to your decision. New York names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Sigfredo
Nearby Names Like Sigfredo
Names with a similar sound, spelling, or feel to Sigfredo
Compare Sigfredo side by side: Sigfredo vs Sigmund Sigfredo vs Sigurd Sigfredo vs Sigifredo
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Sigfredo: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1958)
Similar record span (~49 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, 1951–2000 (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 Sigfredo 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.