Casto

pure
Spain origin · Boy name
97% boys3% girls
#1484US 2023
716Births / yr
Stable
21All-time births
📅 Since 191500
How to pronounce Casto
KAST·oh
/ˈkæst.oʊ/ · stress on KAST · 2 syllables
pure
Spain origin · Boy name

What does Casto mean and where does it come from?

The name Casto is of Latin origin, derived from 'castus', which means 'pure' or 'chaste'. It has been used in various regions such as Spain and Italy, and has associations with virtues of purity. The name was first recorded in the medieval period, often given to boys in families emphasizing moral in

Cultural significance
Casto has been a cherished name across cultures, particularly in Spain-speaking communities, where it reflects values of pure.
Peak popularity
Reached #3365 in 1940 — currently #1484 in the US.
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Related Reading
Spain-origin baby names with timeless appeal
Browse names →

What middle names flow best with Casto?

Casto works best with short, strong middle names — one or two syllables keep the full name from becoming a mouthful

Casto Grace
Most popular combo · classic
Casto Rose
Floral · soft ending
Casto Mae
Sweet · timeless
Casto Claire
French influence · crisp
Casto Jane
Literary · strong
Casto Skye
Modern · airy feel
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Middle Names
The best middle names for Casto
Browse ideas →

How popular is Casto right now?

Holding steady — currently #1484 in the US out of 135.5k tracked names

US Trend 19152023#1484 · Top 1.1%
1915
1940
2021
2022
2023
YearUS RankBirthsvs Prior Year
2023#1484716▲ up 5 · +3% births
2022#1489696▲ up 5 · +5% births
2021#1494666▲ up 1871 · +11000% births
1940#33656▲ up 799 · +20% births
1915#41645

The story of Casto

Casto entered American naming records in 1915 and has been in use for over 109 years. With 21 total births recorded, Casto remains relatively uncommon. The name has grown more popular over time, rising from #4164 in 1915 to #1484 in 2023.

Names that peaked alongside Casto in 1940:

Casto by decade

Casto peaked in the 1940s. See all 1940s names →

DecadeBirths
1910s5
1930s5
1940s6
1970s5
💎Casto has only 21 total recorded births since 1915 — rarer than 99% of names in our database.

What are good nicknames for Casto?

Common
CasCa

Common questions about the name Casto

What does the name Casto mean?
Casto means "pure" — a name rooted in Spain tradition that carries both historical depth and timeless appeal. The meaning reflects values that have made this name endure across generations.
How popular is the name Casto?
Casto is currently a distinctive and less common name as a boy name in the US and is holding steady in popularity, a reliable classic that parents consistently choose.
What is the cultural origin of Casto?
Casto originates from Spain tradition. Spain names tend to carry strong cultural heritage and have spread across the world through migration, literature, and religion over centuries.
How do you pronounce the name Casto?
Casto is a two-syllable name pronounced K AE1 S T OW0. The pronunciation is straightforward for English speakers, and the name reads clearly on paper — an important practical consideration for parents.
Is Casto a common or rare name?
Casto is a distinctive choice that balances familiarity with individuality. It strikes a balance between standing out and fitting in.