Just found that marriage which leads to the 1910 census-
47 Martin? St., Queens
Isabella Harkins, 31, Ireland, to US 1895, widowed, 2 children/2 living
daughter Ethel Harkins, 10, N.Y., parents b.Ireland
daughter Rebecca Harkins, 7, N.Y., parents b. Ireland
sister Elizabeth Britton, 24, Ireland, to US 1895, dressmaker- department store