Recorded 1924–2018 Boys' name Peak 1998 527 births

Sigifredo — boys' name

527 babies named Sigifredo in U.S. Social Security records since 1924, with the highest year being 1998. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1920s51930s161940s81950s251960s371970s791980s1121990s1262000s932010s26
1990s
Peak decade

24% of everyone ever named Sigifredo was born in this single decade.

1998
Single peak year

19 babies were named Sigifredo in 1998 — its busiest year on record.

What the Data Says About Sigifredo

The Social Security Administration has registered 527 babies named Sigifredo between 1924 and 2018, spanning 95 consecutive years of U.S. birth records. As a boy's name, Sigifredo currently falls outside the top 1,000 boys' names for 2018. The name reached its historical peak in 1998, when 19 babies received it in a single year.

Decade-level aggregation shows that Sigifredo performed strongest in the 1990s, accumulating 126 births during that ten-year window. Across the 10 decades of recorded activity, Sigifredo shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Texas, which accounts for 110 births — the largest state-level total in the dataset — followed by California and Illinois. In total, SSA state-level files list Sigifredo in 3 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Sigifredo in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 527 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Sigifredo at a glance

Last recorded 2018

Total births

527

Since 1924

95 years of records

Peak year

1998

19 births that year

Strongest decade: 1990s

Current rank

Unranked

Outside the modern top-1,000

As of 2018

Active since

1924

Recorded for 95 years

Last year on file: 2018

Sigifredo popularity over time

Annual U.S. births registered with the Social Security Administration · 2018–1924

Last recorded 2018
Peak year (1998)
19
Annual births at peak — across 95 years of records
05101520 201820051998199119841977196919521924 5

Sigifredo by decade

Total births in each ten-year window — peak vs trough at a glance

Peak: 1990s
Peak decade
1990s
126 births that decade — 24% of Sigifredo's all-time total
1920s51930s161940s81950s251960s371970s791980s1121990s1262000s932010s26

Sigifredo by state

Where Sigifredo concentrates geographically — total births since 1924

Regionally concentrated
Top 3 states by recorded births for the name Sigifredo
Rank State Visual share Births Share of total
#1 Texas
110 20.9%
#2 California
72 13.7%
#3 Illinois
5 0.9%
Texas share of Sigifredo's total US births 20.9%
Even split

110 of 527 births nationwide. Compared to a flat distribution across 3 reporting states.

Frequently Asked Questions

How popular is the name Sigifredo?
527 babies have been named Sigifredo since 1924. It was last recorded in 2018. The peak year was 1998 with 19 births.
When was Sigifredo most popular?
Sigifredo was most popular in the 1990s decade with 126 total births. The single peak year was 1998.
Where is Sigifredo most popular?
The top states for the name Sigifredo are Texas (110 births), California (72 births), Illinois (5 births).
How long has the name Sigifredo been used?
Sigifredo has been recorded in Social Security data since 1924, spanning 95 years of data through 2018.
What names are similar to Sigifredo?
Names with a similar sound or spelling include Sigmund, Sigurd, Sigfredo, Sigismund, and 4 more. These share a common prefix and are also used for boys.

Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1924–2018 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.