Christy is an Irish name meaning of Christ , in reference to Jesus.
Due to emigration to the United States, Christy has also been used as an Americanization of Scandinavian last names such as the Danish Christiansen). As a result, a small number of Danes with the last name Christy are descendants of a family which emigrated to the US in the early 20th century. However, most of the children returned to Denmark in the 1920s. For this reason, a large majority of Danish citizens with the last name Christy are related by blood.