What does Kaj mean?
(male) Etaj, Ket, ..
(female) Katu, Krah, .. Middle name pairings:
Kaj Max (K.M.), ..
How popular is Kaj?
Kaj is an unusual first name for men. Kaj is also an uncommon surname for all people. (2000 U.S. Census)
Which version is better?with its source form and related boy names. Kai (#145 the previous year) and Kye (#978) are the prominent variation forms of Kaj (not in Top 2000). These relations of Kaj were popular with parents in 2015 (average #561). Kai is more ubiquitous than the rest, though Kye has become trendy as well. (Top 2000 Names, 2015)