When Mary Ellen Brannick was born on 24 February 1859, in Aux Sable, Grundy, Illinois, United States, her father, Michael Brannick, was 35 and her mother, Mary Ann Sterling, was 25. She married Alexander Coulehan on 2 January 1877, in Grundy, Illinois, United States. They were the parents of at least 1 son and 9 daughters. She lived in Joliet, Will, Illinois, United States in 1910 and Chicago, Cook, Illinois, United States in 1916. She died on 17 November 1916, in Minooka, Grundy, Illinois, United States, at the age of 57, and was buried in Saint Marys Cemetery, Aux Sable Township, Grundy, Illinois, United States.