Honey ___, Rose Kennedy's dad

• Irish surname starter
• Irish name part
• "Fighting Bob" of ring fame

Wikipedia Word definitions in Wikipedia
Fitz (pronounced "fits") is a prefix in patronymic surnames of Anglo-Norman origin, that is to say originating in the 11th century. The word is a Norman French noun meaning "son of", from Latin filius (son), plus genitive case of the father's forename. ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Fitz \Fitz\, n. [OF. fils, filz, fiz, son, F. fils, L. filius. See Filial .] A son; -- used in compound names, to indicate paternity, esp. of the illegitimate sons of kings and princes of the blood; as, Fitzroy, the son of the king; Fitzclarence, the son ...

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
Anglo-French fitz , from Old French fils , from Latin filius "son of" (see filial ); used regularly in official rolls and hence the first element of many modern surnames; in later times used of illegitimate issue of royalty.