working back on Elizabeth's Harding aunts & uncles - there are some possible children for John & Ann listed in extracted births on FamilySearch - starting off in Co. Wexford in the 1860s and later in Co. Dublin.. two are listed as Harden, but possibly a mishearing, or mistranscription
see :
Harding / Hanlon birthsand there's a possible marriage for John and Ann in Gorey district, Co. Wexford - which could fit with John's place of birth :
Groom: John Harding (single)
Bride: Anne Hanlon (single)
Marriage date: 20 May 1867
Marriage place: Gorey, Co. Wexford
Groom's father: Wm. Harding
Bride's father: John Hanlon
see :
linkShane