Boy

Cai

KY

Rare & Uncommon ↑ Rising

✦ Meaning

“Welsh name of disputed origin, possibly related to 'cai' (tribute) or 'cay' (fortress). In Welsh mythology, Cai was King Arthur's most famous knight, loyal and mighty.”

Popularity Over Time

Cai US popularity rank over timeRank 9766 in 1999 to rank 1624 in 2022. Lower rank numbers are more popular.#1624#5695#9766198920002024

Cai is not currently in the US top 1000.

Origin

Welsh

Syllables

1

Style

MinimalStrongBoldTimeless

Famous Bearers

  • Sir Cai (Arthurian legend)
  • Cai Emmons (author)

Collections

Works Everywhere → Literary Names → Mythological Names → Beautiful But Not Top 100 → Short & Strong →

Similar Names

Kai

Hawaiian Rare & Uncommon

Sibling Name Ideas

Rhys

Old Welsh Beautiful But Not Top 100

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Cross-Cultural Notes

Welsh origin; compact enough to work internationally

People Also Ask

Welsh name of disputed origin, possibly related to 'cai' (tribute) or 'cay' (fortress). In Welsh mythology, Cai was King Arthur's most famous knight, loyal and mighty.

Cai is not currently in the US top 1000, making it a genuinely rare choice. It's trending up as more parents discover it.

Cai works beautifully as a full name and does not lend itself to an obvious short form. Most parents see that as a feature.

Names that pair beautifully with Cai include Rhys.