Treacy \t-rea-cy\ as a boy's name (also used as girl's name Treacy), is a variant of Tracy (Irish, Gaelic), and the meaning of Treacy is "warlike".

The baby name Treacy sounds like Trace and Tracey. Other similar baby names are Trey, Dray, Dacy, Draco, Drewry, Percy, Pearcy, Terach, Terence, Terry, Torean, Torence, Torey, Trail, Travys, Trevis, Tre, Traye, Trai and Troy.