Individual Details

Wife's name was Mariah. She was born in Missouri during slavery. Her maiden name is uncertain. She had at least three children, Joseph, Susan, and John, who carried the surname of Perkins. She had two children, Sallie and Fannie, who carried the surname Picket.
Mariah married Henry Clay Gentry in Palmyra, Missouri in 1888.

Newspaper clipping:
A select coterie, composed of Thos. H. Memefee, Nicholas Everly and the HERALD, witnessed Monday night the first marriage ceremony performed by Judge D. S. Thomas. The contracting parties were Henry Clay Gentry and Myra Perksin. All Parties conducted themselves with dignity, especially the Judge who looked unusually solemn.
Another undated clipping:
Mariah Gentry, the widow of Clay Gentry, a well known colored man of this city, who died a number of years ago, died in Quincy yesterday. She was well known to many of our older citizens.
From FindAGrave - Mariah was born 1843 in Missouri, died 21 Jul 1924 in Quincy, Adams Co, Illinois.

Birth	1843	Palmyra, Marion County, Missouri
Death	20 Feb 1904	Palmyra, Marion County, Missouri

Father	David Gentry (1801 - 1888)
Mother	Maria Brooks (1801 - 1877)
Sibling	Josephine Gentry (1841 - 1923)