My father"s names was Dominick Hart; my grandfather's name was Michael Hart. My father was born in Glasgow, Scotland where my grandfather went for work and where he met and married my grandmother, Mary McGovern. After my father;s birth in 1907 the family moved back to my grandfather's family home in Sligo where he left my father and his mother while he left for the States. He apparently settled in Jersey City and found work as a sandhog working on the Holland and other tunnels under the Hudson from NJ to NY. By 1909 he saved enough to pay the passage of my grandmother and father who traveled to the States on the Caledonia, out of Londinderry and landing in Ny October 11, 1909.
My grandfather died in 1959. I'm not certain of his birthdate but it would have been about 1878. The Dominick you are looking for may well be my father's uncle as my grandfather had a brother Dominick who lived in Jersey City and who, though I did not know him well, I met on several occasions. He did have children, my father's cousins whom I also met and who also lived in Jersey City. As I recall my father's Uncle Dominick was younger than my grandfather; so your dates would work. There is, by the way, a lawyer who works in Jersey City named Dominick Hart. I never met him but think he may be a grandchild of my father's Uncle Dominick. (How many unrelated "Dominick Harts' could there be in Jersey City!) My brother knows more of the family details than I, and, if this is a lead you wish to follow, I will get what information he has and pass it on. I am sure he would know the names of my father's Uncle Dominick's children. I'm beginning some genealogical work of my own and would be delighted to hear back from you.
Best,
dbted