Meaning and Name Origin
Kaity \ka(i)-ty\ as a girls' name. Kaity's name origin is Greek, and the name Kaity means "pure". Kaity is a variant of Catherine (Greek): from "katharos". Kaity is also a variation of Katherine (Greek): the name may also have come from Hecate, the name of the Greek goddess of magic.
Kaity has 42 more different forms via Catherine, Katherine: Cait, Cassy, Cat, Cate, Cath, Cathy▼, Cay, Cazzy, Kaatje, Kait, Kaitlin▼, Kaitlyn▲, Kaitrin, Karen▼, Kari▼, Karin▼, Karon▼, Karri, Karyn▼, Kas, Kasia, Kasja, Kaska, Kass, Kassey, Kassi, Kassy, Kasya, Kat, Kate▲, Katha, Kathi▼, Kathy▼, Katia▼, Katica, Katina, Katka, Katla, Katrya, Kay▼, Kaye▼ and Kit.
Kaity is an unusual first name for females. Kaity is also an uncommon last name for all people. (2000 U.S. Census)
Shown below is a comparison of the popularity of the girl name Kaity and related names. Popular variation forms of Kaity (#unlisted) ranked in the Top 1000 are Catherine (#170 in 2014), Cathy, Kaitlin, Kaitlyn (#158), Karen (#492), Kari, Karin, Karon, Karri, Karyn, Kate (#207), Katherine (#83), Kathi, Kathy, Kati, Katia, Katie (#280), Katina, Katy, Kay, Kaye, Kittie and Kitty. These girl names reached the top of their popularity during the years 1950-1959 and are now significantly less widespread, with versions such as Kaitlin, Karen, Katie, Katy and Kay falling out of fashion. Kaitlyn (#158) and Kate (#207) are two of the more chic names for newborns in this list, with Kate going through a rekindling in usage. (2014 Birth Statistics)