Treacy is a feminine name with English origins. It is pronounced as TREE-see (/ˈtriːsi/). The name has variations, such as Tracey. In the United States, Treacy has had sporadic popularity over the years. Between 1954 and 1977, it ranked between 4009 and 9652 in terms of occurrence. Although not consistently popular, Treacy still carries a sense of uniqueness and individuality for those who choose it for their baby girl.