Michael and Ellen Welch were both from Ireland but they probably married in Maryland.
Their first child, John, was born in Maryland between 1838 and 1845. Other children were:
The family moved to Stark County, Ohio. Mary married Casper Harwick and had children Clara, Jerome, Edward, Adam and Martha Warwick.
Frank married Margaret Larkin in 1882 and had children: William, Mary Blanche, Ellen, Julia, Francis, and Thomas.