Updated June 9, 2019

Find Baby Names

Boy name origins & meanings

  • Latin : Rejoice; variation of Gaius
  • Welsh, German : Rejoicer; fort; joyful

Boy name variations

Caius

Caius

+ 9% this year
Masculine
Rare
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Cai

Cai

+ 18% this year
Masculine
Rare
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Caio

Caio

- 6% this year
Masculine
Rare
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Kay

Kay

+ 10% this year
Neutral
Rare
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Keye

Keye

0 % this year
Masculine
Rare
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Keyes

Keyes

0 % this year
Masculine
Rare
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Keys

Keys

0 % this year
Masculine
Rare
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Cais

Cais

0 % this year
Masculine
Rare
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Kai

Kai

+ 14% this year
Neutral
Common
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Kaysie

Kaysie

- 13% this year
Neutral
Rare
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Keh

Keh

0 % this year
Masculine
Rare
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MacKay

MacKay

0 % this year
Masculine
Rare
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Family name origins & meanings

  • English : variant spelling of Kay 4 and 5.