Mary Katherine Horony (also spelled Harony, Haroney, and Horoney[REF][REF]) was born on November 7, 1850 in Pest, Hungary, as the second oldest daughter of Hungarian physician Miklós Horony.
In 1860, Dr. Horony, his second wife Katharina, and his children left Hungary for the United States, arriving in New York City on the German ship Bremen in September 1860.