Locate official certificate for marriage between Michael Lyden and Mary Mahoney Hartman, 7 September 1884 in hopes it lists more information to give me a better sense of their backgrounds.
Do a deep dive search for Mary Mahoney’s alleged first marriage to John Hartman and any children born of it.
Gloucester City News Archives & Courier Post
Locate death record for Mary Mahoney Cannon if possible.
New Jersey Start Archives
Do another sweeping search for Mary Cannon’s death certificate.