Those cases were probably quite common. From wikipedia article about Glenn Gould, the great Canadian pianist: "The family's surname was changed to Gould informa

Those cases were probably quite common. From wikipedia article about Glenn Gould, the great Canadian pianist: "The family's surname was changed to Gould informally around 1939 in order to avoid being mistaken for Jewish, given the prevailing anti-Semitism of prewar Toronto and the Gold surname's Jewish association"