What does Cassidy mean?
Cassidy \c(a)-ssi-dy\ as a girls' name (also used less commonly as boys' name Cassidy) is pronounced KASS-ih-dee. It is of Irish and Gaelic origin, and the meaning of Cassidy is "curly-headed". From the surname Ó Caiside meaning "descendent of Caiside", where the name Caiside means "curly-headed", from Gaelic "cas". Can also be taken as an elaborated form of Cass.
Cassidy has 23 variants: Casadee, Casidee, Casidy, Cass, Cassadi, Cassadie, Cassadina, Cassady, Casseday, Cassiddy, Cassidee, Cassidey, Cassidi, Cassidie, Cassity, Kasidy, Kassadey, Kassadi, Kassidee, Kassidi, Kassidie, Kassidy and Kassodey.
Cassidy has 1 masculine form: Kassidy.
Cassidy is a very popular first name for females (#1817 out of 4276, Top 42%) and also a very popular surname for all people (#1240 out of 150436, Top 1%). (2000 U.S. Census)
Displayed below is the birth name popularity of Cassidy for girls. Cassidy was first listed in 1980-1989 and reached its peak position of #99 in the U.S. in the year 1999, and is currently at #248. (2014 Birth Statistics)
Below is a charted analysis of the popularity of the girl name Cassidy and affiliated names. Cassie and Kassidy (#440 last year) are the prominent varying forms of Cassidy (#248 last year) appearing in the Top 1000. These girl names were at the top of their popularity in the year 1999 (usage of 0.7513%) and have become much less widespread since (usage 0.4373%, down 41.8%), with the form Cassie becoming less in vogue. Cassidy (#248) and Kassidy (#440) are two of the more chic baby names in this compilation. (2014 Birth Statistics)