Origin:English, diminutive of Katherine
Description:Kit is a crisp, old-time British-accented unisex nickname that sounds fresh and modern today. Kitty is another so-retro-it's-cool nickname.
Origin:English, diminutive of Christopher
Description:Actor Kit Harington, aka the dreamy Jon Snow on Game of Thrones, has given this nickname-name new style and appeal for boys. Actress Jodie Foster used it for her son. For girls, it's an updated diminutive of Katherine.