I have Co. Tyrone ARMSTRONGS who were said to be relatives of Francis MANSFIELD of Ardrummond House, Donegal. I've found biographical data on generations of Mansfields in Donegal (including several in the 1700s-1800s named "Francis") but have yet found no connection between the Donegal Mansfields and Tyrone Armstrongs. My Armstrongs were Protestant and registered births and marriages in the Church of Ireland and Presbyterian churches of Donaghmore parish and surrounding area of Co. Tyrone.
Rev. George Hill's "Plantation Papers" history cites Francis Mansfield as the representative of the family residing at Ardrummond in 1878. This is probably the man referred to in the 1900 biographical article below.
Any suggestions for further research on Francis Mansfield of Donegal and his possible connections to the Armstrongs of County Tyrone would be greatly appreciated.
Annie
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Pittsburgh coal merchant Frank Armstrong's biography in a 1900 business "blue book" magazine includes this:
"A SUCCESSFUL PITTSBURG (PA.) OPERATOR IN COAL MINING. -- MR. FRANCIS ARMSTRONG, one of the most successful coal miners of Pittsburg, Pa., was born in Crosscavanagh, County Tyrone, Ireland, on the 19th day of May, 1844. His ancestors, both paternal and maternal, were natives of Ireland. His father, Francis Armstrong, was a son of James Armstrong, who married Ann McVeety, of Alisabay, County Monaghan. James Armstrong was a large landowner, holding lands in Galbally and in Gortinderragh, as well as in Crosscavanagh, County Tyrone. He was a cousin of Francis Mansfield, of Ardrummond House, of Letterkenny, County Donegall, the owner of Glenby, Galbally and Largylea."