Click here:
http://snipurl.com/obp8. Fallon's probably just a transferred surname.
Alternatively, Fallon could conceivably be derived from Fáelán (
Faelan) or Faolán (
Faolan) (pr. FWAY-lawn according to NameNerds.com), in which case it's a male name transferred to female usage.
Miranda

Proud adopter of 15 punctuation marks; see my profile for their names.