The name of the township has been traced back to Rostrevor, a seaside community in County Down, now in Northern Ireland. It is known that some of the early settlers, such as the McClains, came from County Down so it is surmised that they probably named their new community out of affection for the native village and spelled it phonetically as RostraverDuff, William Boyd. The forefathers and families of certain settlers in Western Pennsylvania, 1976, p. 10Piersoll, Mary, Bess Dailey Winchell, and Ernest Frank Carter. Early Days in Rostraver: An Informal History of Rostraver Township, Westmoreland County, PA, The Times-Sun for the Old Concord Restoration Committee, December 1949, pp 6-7. Unfortunately, they neglected to leave to posterity any record of having done so.
the name of the township has been traced back to rostrevor a seaside community in county down now in northern ireland it is known that some of the early settlers such as the mcclains came from county down so it is surmised that they probably named their new community out of affection for the native village and spelled it phonetically as rostraverduff william boyd the forefathers and families of certain settlers in western pennsylvania 1976 p 10piersoll mary bess dailey winchell and ernest frank carter early days in rostraver an informal history of rostraver township westmoreland county pa the times-sun for the old concord restoration committee december 1949 pp 6-7 unfortunately they neglected to leave to posterity any record of having done so