The name Philippine is a girl's name of French, Polish origin meaning "lover of horses". Philippine and is often added to lists like Unique Baby Names: Unusual and Rare and discussed in our forums with posts like "Names on NB that make you go WOW!".
From the experts:
Philippine would be taken as an ethnic identification rather than a name in the U.S. Better try Philippa, though if you don't mind eternally correcting people, Philippine can make an interesting alternative. Pippa can be a short form of Philippine as well as Philippa.