Gillian vs Olivia

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

Name A

Gillian

Girl name · Rank #3124

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Name B

Olivia

Girl name · Rank #1

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Which name is more popular?

Metric Gillian Olivia
Current Rank #3124 #1
Total Births (all years) 16,011 553,664
Peak Year 1999 2014
Peak Year Births 1,022 19,836
Peak Decade 2000ss 2010ss
Gender Girl Girl
First Recorded Year 1922 1880

Births by Decade

Decade Gillian Olivia
1880ss — 618
1890ss — 1,099
1900ss — 1,575
1910ss — 3,545
1920ss 5 4,982
1930ss 12 3,922
1940ss 128 7,201
1950ss 234 6,100
1960ss 758 4,015
1970ss 1,329 7,849
1980ss 2,384 14,061
1990ss 4,152 75,913
2000ss 5,489 156,048
2010ss 1,263 184,528
2020ss 257 82,208

Recent Annual Births (2014–present)

Year Gillian Olivia
2014 125 19,836
2015 120 19,726
2016 105 19,409
2017 81 18,777
2018 88 18,055
2019 59 18,569
2020 52 17,682
2021 51 17,841
2022 52 16,654
2023 51 15,313
2024 51 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, 1922–2024.

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