Meaning and name origin
Fitzgerald \f(i)-tz-gerald, fit-zge-rald\ as a boy's name is of Old French and Old German origin, and the meaning of Fitzgerald is "son of the spear-ruler". Middle name of John F. Kennedy, and the last name of his grandfather, who was known as "Honey Fitz".
For more information, see also the related boy name Fitz.
Fitzgerald is not a popular first name for males but a very popular surname or last name for all people (#417 out of 88799, Top 1%) (Source: 2000 U.S. Population Census).
Displayed below is the baby name popularity of the name Fitzgerald for boys. Fitzgerald has not been ranked in the Top 1000/100 so far. (Source: 2014 Birth Name Statistics).