| Birth | Jun 1874 | New York | | | |
| Census | 1 Jun 1900 | Sheldon Town, Wyoming Co., NY, ED 133 Sh 6B; John Hallbauer, son, born Jun 1874, 25, born NY father born Germany mother born NY, farm laborer. | | | |
| Marriage | Bet 1905 and 1906 | Est Wyoming Co., NY - Freda SHOCK? | | | |
| Census | 15 Apr 1910 | Sheldon Twp., Wyoming Co., NY, ED 192 Sh 5B; John Hallbauer, head, 35 (1874-75), married 4 yr., born NY father born Germany mother born NY, farmer. | | | |
| Census | 1 Jan 1920 | Sheldon, Wyoming Co., NY, ED 215 Sh 9B; John Hallbauer, head, 44 (1875), born NY father born Germany mother born NY, farmer. | | | |
| Census | 1 Apr 1930 | Sheldon Township, Wyoming Co., NY, ED 28 Sh 9B; John Hallbauer [indexed Halbuner], head, 55 (1874-1875), 31 at first marriage, born NY, father born Germany mother born NY, farmer. | | | |
| Reference No | | 6091 | | | |