First NameILLIAM

Key Findings

• Popularity: Illiam is the 25,142nd most popular first name in the U.S., placing it among the top 90.7% all first names.
• Population: An estimated 195 Americans bear the name Illiam. Based strictly on 100 years of Social Security Administration (SSA) baby name records, the living population with this name is roughly 40.
• Frequency: Approximately 0 out of every 100,000 Americans are named Illiam.
• Usage: It is almost exclusively used as a boy's name (100% of the time).