From Irish Ó Caiside meaning "descendant of Caiside". Caiside is a given name meaning "curly haired".
Edison
Usage: English
Pronounced:EHD-i-sən
Means "son of Eda 2" or "son of Adam". The surname was borne by American inventor Thomas Alva Edison (1847-1931).
Fitzgerald
Gender:Masculine
Usage: English (American, Rare), Haitian Creole
Transferred use of the surname Fitzgerald. This was the middle name of President John F. Kennedy.
Swanson
Usage: English
Pronounced:SWAHN-sən
Patronymic form of Middle English swein meaning "servant" (of Old Norse origin). This word was also used as a byname, and this surname could be a patronymic form of that.