Illian vs Illiam

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

Name A

Illian

Boy name · Rank #8912

Full profile →
Name B

Illiam

Boy name

Full profile →

Which name is more popular?

Metric Illian Illiam
Current Rank #8912 Unranked
Total Births (all years) 14 42
Peak Year 2024 1981
Peak Year Births 9 8
Peak Decade 2020ss 1980ss
Gender Boy Boy
First Recorded Year 2022 1975

Births by Decade

Decade Illian Illiam
1970ss — 5
1980ss — 37
2020ss 14 —

Recent Annual Births (2014–present)

Year Illian Illiam
2022 5 —
2024 9 —

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, 2022–2024.

← Compare different names