I managed to find one Michael Henry in the 1870 census.

1870 Census Twsp 5, Range 10, Lawrence Co., MS
Peter Henry 55 M B Farm Hand b. NC
Cath Henry 27 F B Keep House b. MS
Michael Henry 13 M B Farm Hand b. MS
Huldy Henry 8 F B b. MS
Orange Henry 3 M B b. MS
Easter Henry 18 F B Farm Hand b. MS
Eddie Henry 16 F B Farm Hand b. MS
Handy Henry 11 M B Farm Hand b. MS

1900 Census Beat 4, Jefferson Co., MS
Michael Henry Head B M b. Nov 1812 age 87 widower b. MS Father b. MD

Mother b. TN Occu: Nurse

1900 Census Beat 5, Marion Co., MS
Marry Henry Head B F b. Jan 1810 age 90 widow 11 children born 5 living

b. GA (parents birth places left blank) Occu: N. G.