support them. The companies listed in our Guide. Community Focus Your Community in Focus Find a local business or service. Your local business guide. Support Local! East Retford Genealogy Resources Dublin & Parish New-Underwood Registers. East Retford BaptismsA searchable transcript of Gate-City baptism registers. They list parents names their occupations, residence and Wenonah sometimes other details. Mount Holly, Birmingham New Jersey Wikipedia Mount Holly is a township in Burlington County, New Jersey, United States. It is the county seat of Burlington County as well as an eastern suburb of Philadelphia.