Illya vs Illiam

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

Name A

Illya

Boy name · Rank #12577

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Name B

Illiam

Boy name

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Which name is more popular?

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

Births by Decade

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

Recent Annual Births (2014–present)

Year Illya Illiam
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, 1965–2024.

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