Kayci

Kayci is a modern feminine name that appears to be a creative spelling variation of Casey or Kasey. This contemporary rendering reflects the trend toward unique spellings of familiar names that emerged in the late 20th century. The name has Irish origins, derived from the surname Ó Cathasaigh, meaning 'vigilant' or 'watchful.' The distinctive spelling with 'y' and 'i' gives the traditional name a fresh, individualized quality. Kayci began appearing in name records in the 1980s and 1990s, primarily in the United States, as parents increasingly sought unique ways to spell conventional names. While not among the most popular names, Kayci offers the appeal of a recognizable name with a personalized touch that sets it apart.

Kayci is also given to boys.

Pronounced KAY-see.

As of October 2026, Kayci ranked #6685 for girls in US births in 2025 and #13208 for boys in US births in 2023 SSA, peaked at #1855 for girls in 1990 and #8394 for boys in 2020.