My grandfather Thomas came to the U.SA. in 1899 from Donnegal or Tyrone. His name was changed from O'Hegarty, to Hagerty. He had an older Brother James, & a younger brother John. John came to the U.S., but James went to Scotland. There were also two sisters. Anyone familiar with these people? They are all born in 1870's 1880's. Their parents were Jame & Catherine.