Susanna was mentioned in the 3 August 1810 will of her father, James Allen senior. [Essex County, Virginia, Will Book 18, pages 72–73.]

“Henry Waring Latané and Susanna Allen were married Oct. 28th. 1819.” [Garnett family Bible at the Virginia State Archives, Acc. 24600.]

1850 U.S. Census, Essex County, Virginia
Page 82B, Dwelling 280, Family 280
Latane, Henry W., 67, male, farmer, $25,000 real estate, born in Virginia
Latane, Susan, 54, female, born in Virginia
Latane, Thomas, 28, male, physician, born in Virginia
Latane, Henry, 21, male, manager, born in Virginia
Latane, James, 19, male, student, born in Virginia, attended school
Latane, William, 17, male, student, born in Virginia, attended school
Latane, Samuel, 14, male, born in Virginia, attended school
Latane, Lewis, 12, male, born in Virginia, attended school (twin)
Latane, John, 12, male, born in Virginia, attended school (twin)