Good sources of Elder information:
I just registered and entered my Profile for NancyElderPetersen with topic: ELDER surname in SCOTLAND
Also see ROBERT ELDER in biographical sketch (d.1807 Fannett Township, Franklin Co PA)
"...was born near PERTH on the Tay, Scotland, migrating about 1737 to the vicinity of Lough Inch or Lough Swilly, County Donegal, Ireland, from that point emigrating to...Pennsylvania...."
ELDER - PERTH and SCOTLAND research: at