Jillyn vs Jill

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

Name A

Jillyn

Girl name

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Name B

Jill

Girl name · Rank #6184

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Which name is more popular?

Metric Jillyn Jill
Current Rank Unranked #6184
Total Births (all years) 171 208,071
Peak Year 1976 1966
Peak Year Births 10 7,871
Peak Decade 1970ss 1960ss
Gender Girl Girl
First Recorded Year 1950 1906

Births by Decade

Decade Jillyn Jill
1900ss — 5
1910ss — 53
1920ss — 256
1930ss — 1,578
1940ss — 11,865
1950ss 10 39,061
1960ss 41 69,144
1970ss 57 55,070
1980ss 47 24,407
1990ss 11 4,748
2000ss 5 1,335
2010ss — 425
2020ss — 124

Recent Annual Births (2014–present)

Year Jillyn Jill
2014 — 52
2015 — 37
2016 — 32
2017 — 43
2018 — 23
2019 — 22
2020 — 18
2021 — 20
2022 — 31
2023 — 15
2024 — 19
2025 — 21

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, 1950–2002.

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