What does Kayce mean?
Kayce \ka(y)-ce\ as a name for girls. Kayce's name origins are Irish, Gaelic and American, and Kayce means "alert, watchful". Kayce is a variation of Casey (Irish, Gaelic): from the male Gaelic name Cathasaigh. Kayce is also a derivative of Kacie (American).
Kayce has 37 more alternative forms via Casey, Kacie: Cacey, Caci, Cacie, Cacy, Cascy, Casee, Casie, Caycee, Caycey, Cayci, Caycie, Caysee, Caysey, Caysi, Caysie, Kacee, Kacey▼, Kaci▼, Kacia, Kacy, Kacye, Kacyee, Kasci, Kasee, Kasey▼, Kasi, Kasie, Kaycee, Kaycey, Kayci, Kaycie, Kaysee, Kaysey, Kaysi, Kaysie, Kaysy and Kaysyee.
Kayce is a somewhat popular first name for females (#3556 out of 4276, Top 83%) but a unique last name for both adults and children. (2000 U.S. Census)
Casey (#792 last year), Casie, Kacey, Kaci, Kacie, Kacy, Kasey, Kasie and Kaycee are the popular alternative forms of Kayce (#unlisted). These girl names reached the top of their popularity in 1991 and have become much less widespread since, with the forms Casey, Kacey, Kaci, Kacie and Kasey falling out of style. Below is a charted analysis of the popularity of Kayce and affiliated names. (Top 1000 Baby Names Records, 2014)