Hally \ha(l)-ly\ as a girl's name is a variant of Haralda (Old Norse) and Hayley (Old English), and the meaning of Hally is "army ruler, commander; hay meadow".

The baby name Hally sounds like Haley, Hilly, Halli, Halley, Halle, Haily, Haely and Holly. Other similar baby names are Cally, Kally, Lally, Hadly, Harly, Mally, Sally, Tally, Vally and Wally.