The 1840 census has Margaret is between 30-40; Harry & Gabriel H are between 10-15; Abram & Laban are between 5-10; and Milton & Francis W are under 4. (Note: Harry & Gabriel H were both born before Davis married Margaret Knapp on 24Jan1829, therefore are sons of Davis & his first wife, Polly Garrett whom he married on 3Feb1825)
Margaret BOOTON when she married Samuel Allison With Booton had 5 children
On Tombstone name is Margaret McCall
On 1880 Census, Margaret is Margaret McCall, widowed, blind, has pulmonary trouble, can not write, named mother of Laban Booton living in same house.