Boys' name · since 1919

Petronilo

57 babies named Petronilo in U.S. Social Security records since 1919, with the highest year being 1919. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

57
total births
1919–1990
years on record
1920s
peak decade
28%
born in that decade

57 boys have been named Petronilo since 1919, though it isn't currently a top-ranked name.

Petronilo has 57 recorded births among boys since 1919, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 1920s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1919 to 1990.

  • 57 total births
  • 1919–1990 years on record
  • 1920s peak decade
  • 28% born in that decade

Data updated Jul 2026

The verdict

57 boys have been named Petronilo since 1919, peaking in the 1920s, last recorded in 1990.

57
total births
1919–1990
years on record
1920s
peak decade
28%
born in that decade
1920s
Peak decade

28% of everyone ever named Petronilo was born in this single decade.

1919
Single peak year

10 babies were named Petronilo in 1919 - its busiest year on record.

Petronilo's usage pattern, beyond the headline number

Divide Petronilo's SSA record in two at 1941 and the more recent half accounts for 46% of all births, the earlier half the remaining 54%, a genuinely balanced usage pattern. Its calmest year was 1920, with only 5 births recorded -- set against the 1919 peak of 10, that's the full swing in one name's fortunes.

Petronilo at a glance

Last recorded 1990

Total births

57

Since 1919

72 years of records

Peak year

1919

10 births that year

Strongest decade: 1920s

Current rank

Unranked

Outside the modern top-1,000

As of 1990

Active since

1919

Recorded for 72 years

Last year on file: 1990

Petronilo popularity over time

Annual U.S. births registered with the Social Security Administration · 1919–1990

Last recorded 1990
Peak year (1919)
10
Annual births at peak, across 72 years of records
4681012 1919192019211926193319411947196119731990 5

Petronilo by decade

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

1920s was Petronilo's strongest decade.

16 babies received the name during that ten-year window, about 28% of all-time use.

Petronilo births by decade

Total births in each ten-year window

births

What this shows Peak: 1920s at 16 births (28% of all-time use).

Source U.S. Social Security Administration · Baby Names As of July 2026

Petronilo by state

Where Petronilo concentrates geographically, total births since 1919

Geographically diffuse
Top 1 states by recorded births for the name Petronilo
Rank State Visual share Births Share of total
#1 Texas
6 10.5%
Texas share of Petronilo's total US births 10.5%

6 of 57 births nationwide.

Frequently Asked Questions

How popular is the name Petronilo?
Since 1919, Social Security records show 57 babies named Petronilo. The most recent recorded year was 1990. Its busiest year on record was 1919, with 10 births.
When was Petronilo most popular?
Petronilo was most popular in the 1920s decade with 16 total births. The single peak year was 1919.
Where is Petronilo most popular?
The top states for the name Petronilo are Texas (6 births).
How long has the name Petronilo been used?
Records for Petronilo go back to 1919, giving 72 years of history through 1990.
What names are similar to Petronilo?
Names with a similar sound or spelling include Peter, Pete, Peterson, Petros, and 4 more. These share a common prefix and are also used for boys.

What to do with Petronilo's data

  • Petronilo's decade-level peak was the 1920s (16 total births); usage has since declined to 5 in the 1990s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • Texas records the most Petronilos (6 births) -- see the full state breakdown if geography matters to your decision. Texas 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.

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, 1919–1990 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Petronilo: Baby Name Since 1919 - 57 Births, Peak 1919." NameAlmanac. Accessed via https://namealmanac.com/name/petronilo. 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 Petronilo 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.