John Elmer Costello
M
| Charts | Porter Descendants |
| Marriage* | John Elmer Costello married Eunice Patterson, daughter of Leonard Harold Patterson and Margaret Isabella Graham. |
Family | Eunice Patterson | |
| Charts | Porter Descendants |
| Marriage* | John Elmer Costello married Eunice Patterson, daughter of Leonard Harold Patterson and Margaret Isabella Graham. |
Family | Eunice Patterson | |