From Burke's Irish Family Records:
p427-he had 5 sons and 2 daughters.
1788-From "A General Directory of the Kingdom of Ireland, 1788", Richard Lucas:
Fitzgerald, William, attorney-at-law, Mill-st.
1772-1810 -He served as a Member of the Ennis Corporation Grand Jury.
http://home.att.net/~labaths/1788dire.htmA GENERAL DIRECTORY OF THE KINGDOM OF IRELAND, 1788
by Richard Lucus
Ennis, County of Clare
FITZGERARD, William, attorney at law, Mill St.