Rudolf vs Rudolfo

Side-by-side comparison of Rudolf and Rudolfo — popularity rank, total births, peak decade, and historical trends from Social Security Administration data.

Name A

Rudolf

Boy name · Rank #10910

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Name B

Rudolfo

Boy name

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Which name is more popular?

Metric Rudolf Rudolfo
Current Rank #10910 Unranked
Total Births (all years) 2,951 2,263
Peak Year 1927 1955
Peak Year Births 82 70
Peak Decade 1920ss 1950ss
Gender Boy Boy
First Recorded Year 1882 1914

Births by Decade

Decade Rudolf Rudolfo
1880ss 11 —
1890ss 17 —
1900ss 62 —
1910ss 407 30
1920ss 585 195
1930ss 419 158
1940ss 323 247
1950ss 349 505
1960ss 221 289
1970ss 173 270
1980ss 137 249
1990ss 104 167
2000ss 69 106
2010ss 41 47
2020ss 33 —

Recent Annual Births (2014–present)

Year Rudolf Rudolfo
2015 — 7
2016 7 7
2017 8 5
2018 8 —
2019 7 5
2020 8 —
2021 5 —
2022 8 —
2023 6 —
2024 6 —

Data Sources

Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, ssa.gov/oact/babynames.
Source: SSA Annual Name Rankings, 1882–2024.

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