Casto
Pronunciation: [ k-AST-oh ]
Casto is a boy baby name. Ranked #34,032 in the US, popular nicknames include Cas, Cay, and Casie.
A distinctive boy name with a rare, memorable quality.
Reviewed by the NamingEverything Editorial Team · Updated
Meaning & Origin
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Historical Record
Casto first appeared in US Social Security records in 1978.
Over 5 babies have been named Casto in the United States since SSA records began.
Today, Casto is a hidden gem — rare but distinctive , currently ranked #34,032 for boy names in the US .
Popularity Over Time
Year-by-year popularity data will be available soon.
Quick Facts
- Gender
- Boy
- Popularity Rank
- #34,032
- Total SSA Count
- 5
Alternative Spellings
Nicknames
Middle Name Ideas
Suggested pairings based on syllable flow and style
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Timeless choice, extended 2-3 combo
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Timeless choice, smooth 2-2 syllable flow
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Timeless choice, smooth 2-1 syllable flow
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Timeless choice, smooth 2-2 syllable flow
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Timeless choice, smooth 2-2 syllable flow
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Timeless choice, extended 2-3 combo
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Timeless choice, smooth 2-2 syllable flow
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Timeless choice, extended 2-3 combo
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Timeless choice, extended 2-3 combo
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Timeless choice, smooth 2-2 syllable flow
Sibling Match
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Similar Names
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Germanic origin
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Save Your Name Card
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Frequently Asked Questions About Casto
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How do you pronounce Casto?
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What are common nicknames for Casto?
Is Casto a common or rare name?
What boy names are similar to Casto?
About the Name Casto
Casto is a boy name .
Casto is currently ranked #34,032 in popularity for boy names in the United States.
Common nicknames for Casto include Cas, Cay, and Casie. These shorter forms provide casual alternatives while keeping the elegance of the full name.
Alternative spellings of Casto include Castiel, Castle . Each spelling variation gives the name a slightly different character while preserving its sound and meaning.
Keep Exploring
Sources
- U.S. Social Security Administration — National Baby Names Data (popularity rankings and historical trends)
- NamingEverything editorial research and analysis