AideenMongan's list "P Girls" of 2 great name ideas: Persis - Perdita!

P Girls

Parents seeking a distinctive New Testament name might consider this one. Adopted by some Puritans in the seventeenth century, Persis was used in the William Dean Howells novel The Rise of Silas Lapham for the wife of the protagonist.
 In Romans 16.12 of the New Testament, Persis is a Roman woman who was an early follower of Christ, mentioned by St. Paul in a letter as "beloved" and having "worked hard in the Lord."
 Indian actress Persis Khambatta was Lieutenant Ilia in Star Trek: The Motion Picture.

Persis

A Shakespearean invention for an abandoned baby in The Winter's Tale, Perdita's sense of loss has always been off-putting to parents. But her image was somewhat resuscitated by its association with the appealing canine character in Disney's One Hundred and One Dalmations.