- Father: Harry Raymond DILLION
- Mother: Florence Gertrude HOLYCROSS
- BIRTH: Abt. 1934, Ohio, USA
- Residence: 1 APR 1935, Marseilles Township, Wyandot County, Ohio, USA
- Residence: 15 APR 1940, Marseilles Township, Wyandot County, Ohio, USA
- Residence: 19 APR 1950, County Road 119, Pitt Township, Wyandot County, Ohio, USA
- Residence: 19 JAN 1999, Upper Sandusky, Wyandot County, Ohio, USA
- Residence: 8 OCT 2002, Upper Sandusky, Wyandot County, Ohio, USA
- Residence: 14 APR 2015, Upper Sandusky, Wyandot County, Ohio, USA
Ancestors of Joseph Leonard DILLION
/-Wright DILLION Sr.
/-Charles Layton DILLION
| \-Elizabeth Jane DILLION
/-Harry Raymond DILLION
| | /-John COBERLY
| \-Fanny Bell COBERLY
| \-Nancy POSTLE
Joseph Leonard DILLION
| /-Henry J. HOLYCROSS
\-Florence Gertrude HOLYCROSS
\-Nancy A. SMITH