Notes:
Data Source was William W. Mumma. Some information was compiled in 1912 by his mother. Additional information came from the notebook of his niece, Stella M. Mumma.
1880 Census, PA, Dauphin Co., West Hanover Twp., ED 117, p. 263
Seibert, Harriet, 23, married, keeping house, b. PA, Fa: PA, Mo: PA
" , William, 4, son, b. PA
" , Anna, 2, daughter, b. PA
1900 Census, PA Dauphin Co., Swatara Twp.,
Brightbill, John A., head, March 1866, 34, m: 9 yrs, farmer
" , Kate, wife, Sept 1864, m: 9 yr, 2 children 2 living, b: PA/PA/PA
" George D., son, Sept 1893, 6, b: PA/PA/PA
" Ester G., dau, Sept 1897, 2, b: PA/PA/PA
Seibert, William J., boarder, Feb 1876, 24, b: PA/PA/PA Laboring Machine Shop.
1930 Census, PA, Dauphin Co., West Hanover Twp.
Seibert, William J., head, owner, has radio, 52, m: @ age 33, b: PA/PA/PA, farmer
" , M. Marie, wife, 40, m: @ age 2, b: NY/NY/NY
" , Norman E., son, 17, b: NY/PA/NY
" , Helen A. M., dau, 14, b: NY/PA/NY
" , William J. Jr., son, 5, b: NY/PA/NY
committed suside with a gun.