A Francis M. Lawson is listed in the roster of Co. H in Samuel W. Scott and Samuel P. Angel's History of the Thirteenth Regiment, Tennessee Volunteer Cavalry, U.S.A. (p.473). He was 19 when he enlisted on Oct. 5, 1864; mustered-in Oct. 26, 1864.

On p.488 he is listed among the "surviving comrades" as living in Austin Springs, Sullivan Co., TN. The book was first published in 1903.