Miller vs Cailo

Baby Name Comparison — 2026

Miller

Boy #439 Most Popular 2 Syllables

"one who mills grain"

Origin: Old English (mylenweard)

English American German

✓ All Clear

Boy #15,816 Most Popular 2 Syllables

"rejoice, happy"

Origin: Welsh / Latin Gaius

English Welsh Modern American

✓ All Clear

Miller Rank #439

Cailo Rank #15,816

Miller is more popular, ranked #439 vs #15816 for Cailo.

Is Miller or Cailo more popular?

Miller is more popular, ranked #439 compared to Cailo at #15816 in the United States.

What do Miller and Cailo mean?

Miller means "one who mills grain" (Old English (mylenweard) origin). Cailo means "rejoice, happy" (Welsh / Latin Gaius origin).

Are Miller and Cailo boy or girl names?

Miller is primarily a boy name. Cailo is primarily a boy name.