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HomeBaby Names DirectoryKastle

Kastle

♂ Boy

Pronounced KASS-ul /ˈkæs.əl/High

Meaning: A modern K- respelling of Castle, the English word for a fortified stronghold, which also exists as an English surname for someone who lived or worked at a castle. Used as a given name it is a word-name with a sturdy, sheltering ring.Low

In 30 seconds: A word-name with walls and towers: Kastle is a K- spelling of Castle — stronghold, shelter (said 'KASS-ul').
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Origin LowEnglish
MeaningA modern K- respelling of Castle, the English word for a fortified stronghold, which also exists as an English surname for someone who lived or worked at a castle. Used as a given name it is a word-name with a sturdy, sheltering ring.
U.S. rank (2024)#13223 ↘ Falling
2024 U.S. births5 boys (0.00% of U.S. boys)
Peak year2014
Total births (all-time)≈ 72

Popularity in the U.S. · SSA data

peak 201420112024

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Kastle is a modern respelling of the English word castle, from Latin castellum, 'small fort'. Castle is also a long-standing English surname for someone dwelling by a stronghold; the K spelling is an American given-name touch (said 'KASS-ul').

It appears only rarely for boys in the U.S. Rare, bold, and word-name modern.

Did you know? As a surname, Castle first belonged to people who lived beside or worked at a castle. Swapped to a K, it becomes a modern boy's name with the same sturdy, sheltering feel (said 'KASS-ul').
Overall data confidence 50%
References — Kastle — English word/surname Castle, respelled with K

Variations

CastleKasselKastel

Nicknames

KasKass

Famous Bearers

  • Famous bearers coming soon.

If you like Kastle…

Castle— the standard spelling of the same word
Kase— a like short K- pick
Stone— a like sturdy word-name
Cash— a like sharp modern word-name

Explore names like Kastle

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Frequently Asked

What does the name Kastle mean?

Kastle means 'castle' — a stronghold. It is a modern K- respelling of the English word and surname Castle.

How do you pronounce Kastle?

It's said KASS-ul /ˈkæs.əl/ — two syllables, stress on the first.

Is Kastle a boy or girl name?

Kastle is used as a boy's name.

How popular is Kastle?

Kastle is a rare name for boys in the U.S.

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