| Person Source | | Sarah Harney Duplantier had person sources.1 |
| Birth | 29 May 1843 | She was born on 29 May 1843 in Baton Rouge, East Baton Rouge Parish, Louisiana, United StatesBGO. |
| Residence | 1850 | She lived Age: 7 in Baton Rouge, East Baton Rouge Parish, Louisiana, United StatesBGO, in 1850. |
| Residence | 1860 | She lived Age: 17 in Baton Rouge, East Baton Rouge Parish, Louisiana, United StatesBGO, in 1860. |
| Residence | 1870 | She lived Age: 20; Census Post Office: Baton Rouge in Baton Rouge, East Baton Rouge Parish, Louisiana, United StatesBGO, in 1870. |
| Marriage | 1880 | David Porter Gayle and she were married in 1880.1 |
| Residence | June 1880 | She lived in Baton Rouge, East Baton Rouge Parish, Louisiana, United StatesBGO, in June 1880. |
| Residence | 1900 | She lived Age: 57; Marital Status: Married; Relation to Head of House: Wife in Baton Rouge, East Baton Rouge Parish, Louisiana, United StatesBGO, in 1900. |
| Residence | 1910 | She lived Age: 67; Age: 67; Marital Status: Married; Relation to Head of House: Wife in Police Jury Ward 7, West Feliciana Parish, Louisiana, USABG, in 1910. |
| Residence | 1920 | She lived Age: 76; Marital Status: Married; Relation to Head of House: Wife in Baton Rouge, East Baton Rouge Parish, Louisiana, United StatesBGO, in 1920. |
| Death | 27 April 1922 | She died Age: 78 on 27 April 1922 at age 78 in Baton Rouge, East Baton Rouge Parish, Louisiana, United StatesBGO. |