Ildefonso vs Olivia

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

Name A

Ildefonso

Boy name

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Name B

Olivia

Girl name · Rank #1

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Which name is more popular?

Metric Ildefonso Olivia
Current Rank Unranked #1
Total Births (all years) 392 553,664
Peak Year 1976 2014
Peak Year Births 16 19,836
Peak Decade 1980ss 2010ss
Gender Boy Girl
First Recorded Year 1917 1880

Births by Decade

Decade Ildefonso Olivia
1880ss — 618
1890ss — 1,099
1900ss — 1,575
1910ss 6 3,545
1920ss 12 4,982
1930ss 6 3,922
1940ss 30 7,201
1950ss 24 6,100
1960ss 69 4,015
1970ss 67 7,849
1980ss 76 14,061
1990ss 58 75,913
2000ss 34 156,048
2010ss 5 184,528
2020ss 5 82,208

Recent Annual Births (2014–present)

Year Ildefonso Olivia
2014 — 19,836
2015 — 19,726
2016 — 19,409
2017 — 18,777
2018 — 18,055
2019 — 18,569
2020 — 17,682
2021 — 17,841
2022 5 16,654
2023 — 15,313
2024 — 14,718

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, 1917–2022.

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