Familysearch.org says
JOHN GALBRAITH b. abt. 1694 Scotland m. Margaret b. abt 1698 Scotland had son
ALEXANDER GALBRAITH b. 11 Aug 1717 Scotland d.. 1792.

ALEXANDER GALBRAITH & FAMILY refused to take “The Black Oath” & were banished from Scotland. They were emmigrants from Scotland & Ireland. Don't know when they emigrated??

THOMAS MILLER b. 1687 Scotland d. 27 Oct 1755 Mt. Bethel Township PA NorthHampton Co. PA. Married Betsy Isabel “Iby” THOMPSON b. 1687/88 Scotland d. 1799 Ohio. She lived to be 112 yrs. old. She is buried in Ohio. Was told she is buried in Ohio but others say she is buried in Mt. Bethel PA. They both were one of the early settlers in Pennsylvania. Thomas Miller had a mill on Schuylkill in 1713, also Thomas Miller (Millwright) 200 acres of land on branch of Manataueny Creek, March 20, 1719, located in Bucks or Berks Co. PA.- ? THOMAS MILLER Progenitors are laying in a cultivated filed in Factoryville, PA.--Don't know when they emigrated.