My grandmother Catherine Schweitzer married Joseph McElhinny.I have relatives buried in St. Agnes Cemetery, West Mifflin, Pa.I found some MYERS history in the "History of Allegheny County Pennsylvania"
“History of Allegheny County Pennsylvania” Chicago : A. Warner Co., 1889 Cushing, Thomas, 1821.
pg. 699 “JOHN MEYERS, merchant, postoffice Duncan, a son of PETER MYERS, is a native of Prussia, born in 1832.He immigrated to America with his parents in 1842, locating at Port Perry, where his father was engaged in mining coal.The children of PETER MEYERS were CATHERINE, now MRS. WEISAND, of McKeesport; ELLEN, now MRS. YOST, of McKeesport; PHILOMENA, now MRS. FREDERICK; JACOB, a tinner, and JOHN.The last named was educated principally in Prussia, and remained at home until 1856, when he married ELIZABETH BOST, of Greenspring, Allegheny county.He located at McKeesport, and engaged in coal mining for three years, but in 1861 removed to Coultersville, pursuing his former as dealer in general merchandise, which he still continues.The children of MR. and MRS. MYERS are JOHN, GERTRUDE (MRS. P. J. MURPHY), LOUIS, LOUISA, ANNA, HERMAN, MARY, ELIZABETH, FRANK and KATIE.MR. and MRS. MYERS are members of the Catholic Church.”