I have not encountered any STAIRS, DUFFUS, or CUNARD. I am descended from the George Morrow who was born approximately 1780 lived in Lawrence County, Alabama (definitely not Morgan/Madison area).
http://worldconnect.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=espiceland&id=I6000000014101664869http://worldconnect.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=espiceland&id=I6000000014101664869 George Morrow b. circa 1780 Kentucky? died before 1843. m. in KY Frances NN b. circa 1785 d. after 1844 Lawrence County, Alabama - George Morrow Jr. b. circa 1805, KY - John S. Morrow b. circa 1808, TN m. Martha NN - Melito H. Morrow b. circa 1811, TN m. Mary Ann Summerford - Teresa Ann Morrow b. circa 1812, GA? m. NN Nicholson - Permelia W. Morrow b. circa 1816, AL m. Henry D. Royal - William H. Morrow b. February 5, 1819, AL d. October 17, 1856 Colbert, AL, USA m. Unknown first wife and Caroline W. Wallace, previously married to a Lansford and married a Shaw after William's death - Isaac N. Morrow b. circa 1819 AL, d. circa 1863 Lawrence, AL. m. Mary Ann Crownover - Elizabeth Jane Morrow b. circa 1822, AL d. 1859 m. Hugh Stewart Stephenson, Sr. - Jerusha Edith Morrow b. circa 1825, AL m. Ira C. Jarman