Joseph Gary was born 3 April 1821 in St. Martinville, Louisiana, United States to Joseph Gary (1795-1852) and Marie-Rosalie Domingue (1801-1882) and died 1 June 1889 New Iberia, Louisiana, United States of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| Marie-Estelle Gary (1842-1921) | 13 November 1842 New Iberia, Louisiana, United States | 2 July 1921 New Iberia, Louisiana, United States | Gustave DeRouen (1840-1938) |
Siblings
| Name | Birth | Death | Joined with |
| Joseph Philogene Gary (1821-1889) | 3 April 1821 St. Martinville, Louisiana, United States | 1 June 1889 New Iberia, Louisiana, United States | Carmelite de Rouen (1825-1899) |