Jillyan vs Jill

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

Name A

Jillyan

Girl name

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Name B

Jill

Girl name · Rank #6184

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Which name is more popular?

Metric Jillyan Jill
Current Rank Unranked #6184
Total Births (all years) 291 208,071
Peak Year 1999 1966
Peak Year Births 17 7,871
Peak Decade 2000ss 1960ss
Gender Girl Girl
First Recorded Year 1978 1906

Births by Decade

Decade Jillyan Jill
1900ss — 5
1910ss — 53
1920ss — 256
1930ss — 1,578
1940ss — 11,865
1950ss — 39,061
1960ss — 69,144
1970ss 16 55,070
1980ss 48 24,407
1990ss 66 4,748
2000ss 118 1,335
2010ss 43 425
2020ss — 124

Recent Annual Births (2014–present)

Year Jillyan Jill
2014 6 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, 1978–2014.

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