| Birth | about 1713 | Mary Deveron was born about 1713 in Prince George's County, Maryland. |
| Marriage | before 1733 | She and John Clary Jr., son of John Clary and Elizabeth Haley, were married before 1733. |
Will
(Witness)
| 25 Feb 1739 | Mary Deveron witnessed the will of John Clary Jr. on 25 Feb 1739 in Maryland. |
| Will_Inht | 11 Aug 1740 | Mary Deveron was named in the will of Mary Deveron and inherited during her life, dwelling plantation and "Clary's Forest" on 11 Aug 1740 in Maryland. |
| Marriage | | She and an unknown or excluded person were married. |
| Death | 1755 | She died in 1755. |
Mary Deveron