How popular is the name Gilliam in 2025?

Gilliam is rarely given in the US today — it does not rank in the top 2000 boy names.

When was the name Gilliam most popular?

Gilliam peaked in 1914, reaching #2915 among US boy names.

Gilliam will almost certainly be the only one in school.

boy name

Gilliam entered the US charts in 1914, peaked at #2915 in 1914, is rarely given today — a rare gem few children share.

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rank today

#2915

peak (1914)

babies in 2025

rare

a rare gem few children share

Fewer than a hundred people named Gilliam are estimated to be alive in the US today — a true one-of-a-kind name.

The typical Gilliam alive today was born around 1932, making them about 93 years old.

Estimated from official SSA birth records and life tables.

How popular is the name Gilliam in 2025?: Gilliam is rarely given in the US today — it does not rank in the top 2000 boy names.
When was the name Gilliam most popular?: Gilliam peaked in 1914, reaching #2915 among US boy names.
Will my child share the name Gilliam with classmates?: Gilliam will almost certainly be the only one in school.

Put them head to head — full stats, history and a verdict.