Kourtneigh \ko(u)-rtnei-gh, kour(t)-neigh\ as a girl's name is a variant of Courtney (Old French), and the meaning of Kourtneigh is "domain of Curtius".
The baby name Kourtneigh sounds like Courteneigh and Cortneigh. Other similar baby names are Fortneigh, Kourtnie, Kourtnee and Kourtney.