The following information is according to the archives of the Marion Co AR Historical Society.
LAURA ANN MORROW (daughter of John & Minerva [Carter] Morrow) b Shellsford, Warren Co. TN 2 Jan 1827 d McMinnville, Warren Co. TN 22 March 1907 bu Riverside Cemetery, McMinnville, Warren Co. TN m Warren Co. TN 27 Oct 1851 WILLIAM THOMAS MARION MEDLEY (son of John Ewell & Mahala [Carter] Medley) b Hickory Creek, Warren Co. TN 19 Jan 1830 d GA 22 May 1863 in the Civil War. She received Pension No. W254. She is a widow aged 53 living next door to son John Medley aged 28 in Prairie Township, Searcy Co. AR 1880 with son Samuel T. Medley aged 21 and daughter Laura Jane Medley aged 18 in her household. In Warren Co. TN 1900 living with daughter and son-in-law James P. & Octavia Florence (Medley) Bonner. Children: John A. Medley b TN 1852; Octave Florence Medley b TN 21 March 1854; Marcus Tullius Cicero Olmen Medley b TN 23 March 1856; Josephine T. Medley b TN Sep 1857; William David Medley b TN 2 March 1859; Samuel Thomas Medley b TN 29 March 1860; Laura Jane Medley b TN 29 July 1861.
You may be able to find mor information on these two families at the Marion Co AR website www.argenweb/marion
Best of luck in your research.