| Person Source | | John Roland Dardenne had person sources.1 |
| Birth | 17 May 1890 | He was born on 17 May 1890 in Rosedale, Iberville, Louisiana, USABG. |
| Residence | 1900 | He lived Marital Status: Single; Relation to Head of House: Son in Police Jury Ward 7, Iberville, Louisiana, USABG, in 1900. |
| Residence | between 1917 and 1918 | He lived in Iberville, LouisianaBG, between 1917 and 1918. |
| Marriage | 1922 | He and Elvira Nelson Hooper were married in 1922 in Iberville, Louisiana, USABG.1 |
| Residence | 1930 | He lived Marital Status: Married; Relation to Head of House: Head in Police Jury Ward 7, Iberville, Louisiana, USABG, in 1930. |
| Residence | 1935 | He lived in Sh, Iberville, LouisianaBG, in 1935. |
| Residence | 1 April 1940 | He lived Marital Status: Married; Relation to Head of House: Head in Iberville, Louisiana, USABG, on 1 April 1940. |
| Residence | 1942 | He lived in Rosedale, Louisiana, USABG, in 1942. |
| Death | 17 April 1965 | He died on 17 April 1965 at age 74 in Baton Rouge, East Baton Rouge Parish, Louisiana, United StatesBGO. |
| Burial | 19 April 1965 | He was buried on 19 April 1965 in Rosedale Cemetary, Rosedale, La.BG. |
| Death | 18 October 1966 | He died on 18 October 1966 at age 76 in Iberville Parish, louisianaBG. |