I have a little information. Marriner Greenalch Maudsley was born 20 Oct 1835 in Accrington, Lancashire, England and died 22 Sep 1902 in Maquoketa, Jackson Co, Iowa. Amanda Campbell was born 4 Oct 1846 in Pittsburg, Allegeheny Co, Pennsylvania and died 20 Jan 1880 In Maquoketa, Jackson Co, Iowa. Amanda's father was John T. Campbell and her Mother was Mary Liston, but I have no information on either of them just yet. Marriner and Amanda had 2 daughters. Minnie and Carrie. Again I have no Information on either of these people. Hope that helps you a little.