| Birth | 20 May 1916 | Burlington, Racine, Wisconsin, United States | | | |
| Baptism | 21 May 1916 | Burlington, Racine, Wisconsin, United States | | | |
| Census (family)-shared | 5 Feb 1920 | (Frederick Francis ITZIN and Mary Ellen "Maime" PIHRINGER) a farm (Dwelling 221), Burlington, Racine, Wisconsin, United States | | | |
| Census (family)-shared | 2 Apr 1930 | (Frederick Francis ITZIN and Mary Ellen "Maime" PIHRINGER) Genova St, Burlington, Racine, Wisconsin, United States | | | |
| Occupation | 17 Apr 1940 | Field Work Supervisor for Chicago University - Burlington, Racine, Wisconsin, United States | | | |
| Census (family)-shared | 17 Apr 1940 | (Frederick Francis ITZIN and Mary Ellen "Maime" PIHRINGER) 901 Geneva St, Burlington, Racine, Wisconsin, United States | | | |
| Marriage | 9 Aug 1941 | St Thomas the Apostle, 5472 South Kimbark Avenue, Chicago, Cook, Illinois, United States - Neva Lenore SMITH | | | |
| Occupation | 1966 - 1984 | Professor and Associate Dean, Univ. of Illinois, School of Social Work - Urbana, Champaign, Illinois, United States | | | |
| Death | 18 Mar 2006 | Carle Foundation Hospital, Urbana, Champaign, Illinois, United States | | | |
| Burial | 22 Mar 2006 | MT Hope Cemetery & Mausoleum, 611 East Pennsylvania Avenue, Champaign, Champaign, Illinois, United States | | | |