Philly \ph(il)-ly\ as a girl's name (also used as boy's name Philly), is a variant of Philippa (Greek), and the meaning of Philly is "horse lover".

The baby name Philly sounds like Philia, Phila, Phillie, Phil and Willy. Other similar baby names are Milly, Bailly, Billy, Cilly, Gilly, Hilly, Jilly, Lilly, Polly, Tilly, Phillyda, Phillyra, Phyllys, Philys, Phillis, Philis, Shelly, Reilly and Shilla.