Born in New York, daughter of John Lawless and Catherine. Her parents were born in Ireland. Her 1910 census shows 6 out of 6 children still living, able to read and write, no occupation listed.
Husband: Married Robert Decker in 1888, he died in 1908. Their children: Edward, Robert, Mildred, John, Caroline, Ruth.
In both the 1900 and 1910 census, they are living in Richmond Ward 1, New York.