Though her first name is frequently shown as Phillippa, the final “a” does not appear in original documents. Phillipp (and variants) was a female name used in East Anglia, at least.
PHILLIPP WARD , born say 1575, daughter of Lancelot and Joan (_____) Ward of Wethersfield, Essex. Phillipp died after 8 January 1616[/7], when she witnessed the will of her brother, Robert Ward