Girl
Cassidy
As a girl's name, Cassidy is understood to mean "descendant of the curly-haired one". It has been climbing steadily, peaking most recently in the 2000s. Today, it is comfortably in the mainstream in the registry. The name's best year yet was 1999.
IrishIrish "Ó Caiside"
EtymologyMeaning "descendant of the curly-haired one"
Births by decade
1900s
0
1910s
0
1920s
0
1930s
0
1940s
0
1950s
0
1960s
15
1970s
874
1980s
4,477
1990s
21,559
2000s
21,648
2010s
9,890
Peaked in the 2000s · 58,463 total U.S. births since 1900