According to the 1850 MS census, Matilda could not read or write.

THE HENRY FAMILY by Eron Sharp Memphis, Tennessee 1961.
There is a lady in Gulfport, Mississippi who desends from this man. Her name is Sarah H. Brooks 2415 Palmer Drive Gulfport, Miss. 39507 Ph. 1-601-896-4685 She is a 5th. cousin. Her mother was a Henry. She also has lots of history that she sent to cousin Chris Daniel in Arkansas.
THE HENRY FAMILY by Eron Sharp Memphis, Tennessee 1961..

Soon after being married John and Jane moved to Giles County, Tennessee for their first child was born. By 1813 they had moved down into Madison County, Alabama [then Mississippi territory.] the rest of the children were born in Alabama.

From MyHeritage and WikiTree

Birth
Mar 28 1811 - Tennessee, USA
Marriage:
Apr 24 1828 - Lawrence, Alabama, USA
Death:
Sep 14 1889 - Union, Arkansas, USA
Parents:
William Henry, Jr., Mary Henry
Husband:
Thomas Sidney Harris
Children:
William Henry Harris, Malinda Jane Harris, John G. Harris, Mary Elizabeth Harris, Margrete Harris, Sophia A. Harris, Permelia Saphronie Harris, James Luther H. Harris, Salomy-Salomia C. Harris, Julia Ann Matilda Harris, Letha Maranda Hanson Harris, Frances Charlotte Harris, Emma Aldora Harris, Thomas Jefferson Harris
Siblings:
Malinda Henry, John Henry, James Henry, Elizabeth Henry, Mary Amanda Henry, Grace Henry, Samuel W. Henry, Sion P. Henry, John McGaughey Henry, Margaret Adeline Henry, Louisiana Henry, Mississippi Henry