Tools / Baby names / K
Kaius
BoyMeaning of Kaius: Latin: 'rejoice'
Kaius is a boy's name most strongly associated with Latin naming. It has 5 letters and 1 syllable, and it is familiar but far from overused — 1033rd most popular boys' name in the United States in 2025 and 1235th in England & Wales.
US rank 2025
#1033
216 babies in 2025
England & Wales 2024
#1235
22 babies in 2024
US babies since 1880
2,011
First recorded 2005 · peak 2025
Trend
rising
Style: uncommon
Popularity over time
Gender split
100% boys · 0% girls, based on US, UK and international usage.
Origins & cultures
More Latin boys' names
Latin · 1 syllable
US #20UK #5
Latin · 2 syllables
US #45UK #32
Latin · 3 syllables
US #49UK #216
Latin · 1 syllable
US #183UK #44
Latin · 2 syllables
US #110UK #118
Latin · 2 syllables
US #244UK #120
Latin · 2 syllables
US #114UK #88
Latin · 2 syllables
US #26UK #280
Latin · 2 syllables
US #78UK #244
Latin · 2 syllables
US #181UK #62
Latin · 2 syllables
US #101UK #389
Latin · 2 syllables
US #221UK #274
Other names starting with K
Hawaiian · 1 syllable
US #86UK #72
Irish · 2 syllables
US #228UK #264
Scottish · 2 syllables
US #307UK #968
American · 2 syllables
US #138UK #250
Arabic & Persian · 2 syllables
US #395UK #283
Hebrew · 2 syllables
US #310UK #308
Scottish · 2 syllables
US #512UK #651
American · 2 syllables
US #248UK #396
Irish · 2 syllables
US #394UK #664
American · 2 syllables
US #231UK #230
Irish · 1 syllable
US #409UK #204
Hawaiian · 1 syllable
US #254UK #206