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What does Dai mean?

Dai Pronunciation of Dai [dai] as a boys' name (also used as girls' name Dai) is pronounced dah-ee. It is of Japanese and Welsh origin, and the meaning of Dai is "large; to shine". A Welsh short form or nickname for David.


15 related forms via David: Daffy, Dave, Daven, Davey, Davi, Davide, Davie, Daviel, Davies, Davin, Davis, Davon, Davy, Davyd and Davyn.

Creative forms:
(male) Daid, Dei, ..

(female) Dadi, Dair, ..

Middle name pairings:
Dai Julius (D.J.), ..

How popular is Dai?

Dai is an uncommon first name for males but a very popular surname for both adults and children (#11060 out of 150436, Top 7%). (2000 U.S. Census)

Which version is better?

with similar and related boy names. Prominent related forms of Dai (unlisted) ranked in the Top 2000 are Dave, Daven, Davey, Davi (#1701 last year), David (#18), Davie, Davin (#955), Davis (#474), Davon (#1153) and Davy. Adoption of these forms of Dai was at its most widespread in the 1960s (adoption of 3.9%) and has become significantly diminished since (adoption 0.7%, 83%), with versions such as Davon becoming less in vogue. Davis is the most contemporarily stylish boy name in this compilation. (2015 Birth Statistics)

Top 2000 baby names ranking of Dave, Daven, Davey, Davi, David in U.S.

Top 2000 baby names ranking of Davie, Davin, Davis, Davon, Davy in U.S.

Top 100 baby names ranking of David outside U.S.

Similar Names

Dai is pronounced similarly to Da-, Daw, Dawe, Day, Daye, De-, Dee, Dewi, Dewie, Dow and Dowe. Other recommended names are Cai, Dag, Dain, Dal, Dan, Dani, Dar, Dax, Hai, Jai, Kai and Rai. These names tend to be more commonly used than Dai.

See names
in meaning and etymology.