Gaelic variations:
Ó Caiside.
Anglicised variations:
Casada, Casaday, Cassada, Cassaday, Cassady, Cassedy, Cassetty, Cassida, Cassity.
“Men of peace, culture and scholarship”.
An active and vibrant clan building bonds among all Cassidys and their descendants from County Fermanagh, Northern Ireland (where the Cassidys originated from). The next rally is in 2011 so stay tuned to the official website below for details and other news:
Website: www.cassidyclan.org: free genealogy consultation, the clan newsletter 4 times a year, clan rallies, research, and special projects.
sending...

I am a Cassady, on my father's side.
hoping to get to the 2011 rally with my family
…..