1) English girl name 
Kayce is an English name for boys and girls. The meaning is `alert, watchful` The name Kayce is most commonly given to American girls. In Scotland it is (almost) solely given to girls What do they use in other countries? Casey (English) Cas Casen Kasey (English) Kace Kacey (English) Cass (English) Kaycee (English ) Kaci (English) Cayce Cassandre (F...