My Great Great Grandfather was Denis O'Mahoney who was married to Mary Sullivan of County Cork. My Great Grandmothers name was Margaret O'Mahoney.She was born in County Cork in 1862. Margaret was living in Amenia, NY USA in the late 1880s. She married Albert Murphy and their children were Charles, Mary Ellen, Albert, Julia Caroline, Alice and Georgia. Charles was born in New Jersey, the rest of the children in Amenia, NY. Any direction or help would be appreciated.