This death certificate shows information about the cause of death for Louisa's husband, and shows that there was a name change that happened from Harrington to Adams (as his parents are both documented as Harringtons).
This document shows Louisa Adams with her husband, son and daughter-in-law and grandchildren. She is documented on line 67. The family is now residing in Wake County, North Carolina and Louisa has learned to read by 1910 in comparison to the census…
This 1870 Census account shows Louisa Adams nee Covington as a 14 year old in the home of Jacob & Easter Covington (her parents). Her enumeration can be found on line 18.
This enumeration of Louisa Harrington, aged 22, as being married to JH Harrington, with a son, HW Harrington, all residing in Richmond County, North Carolina.