Illiam vs Illya

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

Name A

Illiam

Boy name

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Name B

Illya

Boy name · Rank #12577

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Which name is more popular?

Metric Illiam Illya
Current Rank Unranked #12577
Total Births (all years) 42 365
Peak Year 1981 1966
Peak Year Births 8 78
Peak Decade 1980ss 1960ss
Gender Boy Boy
First Recorded Year 1975 1965

Births by Decade

Decade Illiam Illya
1960ss — 213
1970ss 5 85
1980ss 37 16
1990ss — 17
2000ss — 13
2010ss — 11
2020ss — 10

Recent Annual Births (2014–present)

Year Illiam Illya
2014 — 5
2020 — 5
2024 — 5

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, 1975–1989.

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