I found the follow information on the Allegheny Co. website.I know who G. H. Dierker is (Gerhard Heinrich) and his son, Johann Georg (John George) Dierker (the lithographer or printer).Can anyone link the other Dierkers to Gerhard?Gerhard (b.1 Jan 1834) immigrated from Osnabruck, Germany before his marriage to Georgine Pagel on 2 Aug 1855.
Pittsburgh Almanac & Business Directory (1867):
Dierker & Speck, 63 Smithfield
Woodward & Rowlands' Pittsburgh Directory 1852:
Dierker, Henry, barkeeper, Cherry ay
Directory of Pittsburgh & vicinity for 1857-1858:
Dierker, J.H. & BRO, liquor dealers, 498 Penn
Directory of Pittsburgh and Allegheny cities, 1864-1865:
Dierker, Aberhard, of G. H. Dierker & Bro. 471 Penn
Dierker, George, tinner, 6 Main A.
Dierker, G. H. & Bro., grocers & liquor dealers, 496 Penn
Dierker, Henry of G. H. Dierker & Bro., 496 Penn
Directory of Pittsburgh and Allegheny cities, 1877-1878:
Dierker, H. W., elk, 65 Chatham
Dierker, J. G., lith printer, 4 Union A
Dierker, John H., liquors, 97 Roberts
Dierker, Wm. H., law student, 97 Roberts
Dierker, G. H., 4 Main, A.
American Red Cross. Pittsburgh Chapter, 1922:
Rosenbaum Co. Auxilliary: Dierker, Miss Katherine
Glenfield Branch, Cheer Books: Mrs. Florence Dierker
Glenfield Branch, Workroom, Dierker, Miss Alma
Hampton Township Branch, Additional Workers: Dierker, Mrs. E[or R]. H.
Pittsburgh & Allegheny business directory, 1875-6
Wines & Liquors
Dierker & Thompson, 21 Diamond
150th Anniversary Pittsburgh (Pa.) German Evangelical Protestant Smithfield Church (Congregational) Oct. 16, 1932:
Dierker, Charles F., January 1, 1928
Dierker, Mrs. Chas. F. (Laura Oetting), March 24, 1929
McFadden, Mrs. William (Louise Dierker), April 8, 1917
Pittsburgh commodity index; comp. by Pittsburgh industrial development commission 1913:
Pittsburgh Metal Bed Co.,
1136 Brown Street, N.S.
Tel. 3206, Cedar
Henry G. Dierker, P. A.
R. C. Fish, S. M.
The red book : a social, business and telephone directory of Bellevue, Avalon, Ben Avon and Emsworth, 1904:
Dierker, Elmer, clerk, 301 California ave.
Dierker, John, printer, 301 California ave.
Pittsburgh and Allegheny in the centennial year / by George H. Thurston, 1876:
Wholesale Liquor dealers:
J. J. Speck & Co., 145 Water Street, estab'd 1866 by Dierker & Speck
... J. J. Speck & Co., also manufacture, as a specialty, domestic cordials, in which they use 300 barrels of sugar, 11,000 bottles and produce blackberry, cherry and raspberry brandies.
California Herb Bitters is another distinctive proprietary medicine prepared by J. J. Speck & Co.This compound was established in 1868 by Dierker & Speck, and at present the firm uses 35,000 bottles in putting up the preparation and some 3 tons of certain California herbs.
John H. Dierker m. Annie Walk, 21 Apr 1897 Allegheny Co., PA