Total births
252
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.
- 252
- total births
- 1951–2000
- years on record
- 1970s
- peak decade
- 35%
- born in that 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.
- 252 total births
- 1951–2000 years on record
- 1970s peak decade
- 35% born in that decade
Data updated Jun 2026
The verdict
252 boys have been named Sigfredo since 1951, peaking in the 1970s, last recorded in 2000.
- 252
- total births
- 1951–2000
- years on record
- 1970s
- peak decade
- 35%
- born in that decade
1970s
Peak decade
35% of everyone ever named Sigfredo was born in this single decade.
1958
Single peak year
14 babies were named Sigfredo in 1958 - its busiest year on record.
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 at a glance
Last recorded 2000Peak year
1958
Current rank
Unranked
Active since
1951
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
Total births in each ten-year window, peak vs trough at a glance
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% |
New York share of Sigfredo's total US births 21.4%
54 of 252 births nationwide.
Frequently Asked Questions
How popular is the name Sigfredo? ▼
252 babies have been named Sigfredo since 1951. It was last recorded in 2000. The peak year was 1958 with 14 births.
When was Sigfredo most popular? ▼
Sigfredo was most popular in the 1970s decade with 88 total births. The single peak year was 1958.
Where is Sigfredo most popular? ▼
The top states for the name Sigfredo are New York (54 births).
How long has the name Sigfredo been used? ▼
Sigfredo has been recorded in Social Security data since 1951, spanning 50 years of data through 2000.
What names are similar to Sigfredo? ▼
Names with a similar sound or spelling include Sigmund, Sigurd, Sigifredo, Sigismund, and 4 more. These share a common prefix and are also used for boys.
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
- 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 Sigfredo
Nearby Names Like Sigfredo
Names with a similar sound, spelling, or feel to Sigfredo
Sigmund Boy
#7275 2,855 births
Sigurd Boy
#7791 869 births
Sigifredo Boy
527 births
Sigismund Boy
138 births
Sigmond Boy
137 births
Compare Sigfredo side by side: Sigfredo vs Sigmund Sigfredo vs Sigurd Sigfredo vs Sigifredo
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, 1951–2000 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Sigfredo: Baby Name Since 1951 - 252 Births, Peak 1958." NameAlmanac. Accessed via https://namealmanac.com/name/sigfredo. 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 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 June 2026.