Boys' name · since 1918

Petro

Since 1918, U.S. Social Security records show 160 babies named Petro, peaking in 1971. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

160
total births
1918–2015
years on record
1920s
peak decade
29%
born in that decade

Petro sits outside today's top ranks for boys, with 160 recorded since 1918.

Petro has 160 recorded births among boys since 1918, 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 1918 to 2015.

  • 160 total births
  • 1918–2015 years on record
  • 1920s peak decade
  • 29% born in that decade

Data updated Jun 2026

The verdict

160 boys have been named Petro since 1918, peaking in the 1920s, last recorded in 2015.

160
total births
1918–2015
years on record
1920s
peak decade
29%
born in that decade
1920s
Peak decade

29% of everyone ever named Petro was born in this single decade.

1971
Single peak year

11 babies were named Petro in 1971 - its busiest year on record.

Petro's usage pattern, beyond the headline number

Divide Petro's SSA record in two at 1960 and the more recent half accounts for 52% of all births, the earlier half the remaining 48%, a genuinely balanced usage pattern. Its calmest year was 1925, with only 5 births recorded -- set against the 1971 peak of 11, that's the full swing in one name's fortunes.

Petro at a glance

Last recorded 2015

Total births

160

Since 1918

98 years of records

Peak year

1971

11 births that year

Strongest decade: 1920s

Current rank

Unranked

Outside the modern top-1,000

As of 2015

Active since

1918

Recorded for 98 years

Last year on file: 2015

Petro popularity over time

Annual U.S. births registered with the Social Security Administration · 1918–2015

Last recorded 2015
Peak year (1971)
11
Annual births at peak, across 98 years of records
4681012 191819231926193419601972197619932015 5

Petro by decade

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

1920s was Petro's strongest decade.

47 babies received the name during that ten-year window, about 29% of all-time use.

Petro births by decade

Total births in each ten-year window

births

What this shows Peak: 1920s at 47 births (29% of all-time use).

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

Frequently Asked Questions

How popular is the name Petro?
Since 1918, Social Security records show 160 babies named Petro. The most recent recorded year was 2015. Its busiest year on record was 1971, with 11 births.
When was Petro most popular?
Petro was most popular in the 1920s decade with 47 total births. The single peak year was 1971.
How long has the name Petro been used?
Petro has been recorded in Social Security data since 1918, spanning 98 years of data through 2015.
What names are similar to Petro?
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 Petro's data

  • Petro's decade-level peak was the 1920s (47 total births); usage has since declined to 5 in the 2010s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • 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 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, 1918–2015 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Petro: Baby Name Since 1918 - 160 Births, Peak 1971." NameAlmanac. Accessed via https://namealmanac.com/name/petro. 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 Petro 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.