How popular is the name Castulo in 2025?

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

When was the name Castulo most popular?

Castulo peaked in 1914, reaching #2651 among US boy names.

Castulo will almost certainly be the only one in school.

boy name

Castulo entered the US charts in 1914, peaked at #2651 in 1914, is rarely given today — a rare gem few children share.

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rank today

#2651

peak (1914)

babies in 2025

rare

a rare gem few children share

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

The typical Castulo alive today was born around 1938, making them about 87 years old.

Estimated from official SSA birth records and life tables.

How popular is the name Castulo in 2025?: Castulo is rarely given in the US today — it does not rank in the top 2000 boy names.
When was the name Castulo most popular?: Castulo peaked in 1914, reaching #2651 among US boy names.
Will my child share the name Castulo with classmates?: Castulo will almost certainly be the only one in school.

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