Marilou vs Olivia

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

Name A

Marilou

Girl name · Rank #11136

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Name B

Olivia

Girl name · Rank #1

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Which name is more popular?

Metric Marilou Olivia
Current Rank #11136 #1
Total Births (all years) 3,231 553,664
Peak Year 1948 2014
Peak Year Births 90 19,836
Peak Decade 1940ss 2010ss
Gender Girl Girl
First Recorded Year 1915 1880

Births by Decade

Decade Marilou Olivia
1880ss — 618
1890ss — 1,099
1900ss — 1,575
1910ss 64 3,545
1920ss 376 4,982
1930ss 618 3,922
1940ss 729 7,201
1950ss 697 6,100
1960ss 295 4,015
1970ss 143 7,849
1980ss 106 14,061
1990ss 81 75,913
2000ss 47 156,048
2010ss 43 184,528
2020ss 32 82,208

Recent Annual Births (2014–present)

Year Marilou Olivia
2014 — 19,836
2015 — 19,726
2016 5 19,409
2017 5 18,777
2018 9 18,055
2019 5 18,569
2020 8 17,682
2021 5 17,841
2022 5 16,654
2023 6 15,313
2024 8 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, 1915–2024.

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