Denis(mine) did enlist, but I don't think served, in ww11, his wife at the time was Mary O Donnell. In ww1, enlistment his wife was Catherine McLaughlin. They lived in Everett I believe.Denis was born in 1878, in Co Donegal to James O'Donnell and Susan White Doherty. He was 2nd youngest of 7 children. All but two came to Boston before 1900.