It means ruler with a spear.
Some say it's of Old English origin.
Some say it's of old German and French origin.
I choose to believe the second statement :)
Geraldine Alejandra's birth name is Geraldine Alejandra Galvn Correa.
Geraldine Katt's birth name is Geraldine Kattnig.
Geraldine Court's birth name is Oldenboorn, Geraldine.
Geraldine Coats's birth name is Geraldine Tubbs.
Geraldine Newman's birth name is Geraldine A. Newman.
Geraldine McEwan's birth name is Geraldine McKeown.
Geraldine Hall's birth name is Geraldine Browning.
Geraldine Chaplin's birth name is Chaplin, Geraldine Leigh.
Geraldine Turner's birth name is Geraldine Gail Turner.
Geraldine Page's birth name is Geraldine Sue Page.
Geraldine Mucha's birth name is Geraldine M. Thomsen.
Geraldine Whelan's birth name is Geraldine Majella Whelan.