J. H. McCLELLAND - very brief summary
History of Allegheny county, Pennsylvania : including its early settlement
Chicago : A. Warner Co., 1889
Cushing, Thomas, 1821.
Pgs. 259, 260
J. H. McCLELLAND, M.D., native of Pittsburgh in which he resides, born May 20, 1845.His father, J. H. McCLELLAND, SR., who came from sturdy Scotch-Irish stock, emigrated in 1816 from the north of Ireland to this county...He was married in 1884 to MISS RACHEL MAY, daughter of the late JOHN P. PEARS, of Pittsburgh.