(1) He is married to Martha Jane Ewing-Bolton-Dailey (DeLong).
They got married on September 9, 1891 at Tulare Co, California, Verenigde Staten, he was 42 years old.Source 4
(2) He is married to Margaret Bolton (Ewing).
They got married on April 11, 1876 at Tulare, California, he was 27 years old.Sources 3, 4
(3) He is married to Elizabeth Eleanor Bolton (Fannon).
They got married on April 10, 1868 at Manchester, St Mary, St Denys and St George, Lancashire, England, he was 19 years old.
http://trees.ancestry.com/pt/AMTCitationRedir.aspx?tid=154327598&pid=499/ Ancestry.com