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.
- #14,342 of 45,481
- all-time among boys
- 160
- born since 1918
- 1920s
- peak 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.
- #14,342 of 45,481 all-time among boys
- 160 born since 1918
- 1920s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Petro ranks #14,342 of 45,481 boys' names by all-time recorded births (highest first). 160 born since 1918, peaking in the 1920s.
- #14,342 of 45,481
- all-time among boys
- 160
- born since 1918
- 1920s
- peak decade
Petro's 160 recorded births place it above 68.44% of the 45,481 boys names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
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 popularity over time
Annual U.S. births registered with the Social Security Administration · 1918–2015
- Peak year (1971)
- 11
- Annual births at peak, across 98 years of records
Petro by decade
1920s is the heaviest window (47 births, 29% of the file).
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
- 1910s 6
1910s
6 births
- 1920s
1920s
47 births
- 1930s 11
1930s
11 births
- 1950s 13
1950s
13 births
- 1960s 14
1960s
14 births
- 1970s
1970s
43 births
- 1980s 11
1980s
11 births
- 1990s 5
1990s
5 births
- 2000s 5
2000s
5 births
- 2010s 5
2010s
5 births
What this shows Peak: 1920s at 47 births (29% of all-time use).
Frequently Asked Questions
How popular is the name Petro? ▼
Where does Petro sit in the SSA name archive? ▼
When was Petro most popular? ▼
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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.
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Petro
Nearby Names Like Petro
Names with a similar sound, spelling, or feel to Petro
Compare Petro side by side: Petro vs Peter Petro vs Pete Petro vs Peterson
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Petro: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1971)
Similar record span (~97 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, 1918–2015 (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 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 August 2026.