The William Henry Tull 1836 - 1873 Knox Co.,Mo. Descendants

Descendants of William Henry Tull, son of Henry Dickerson and Mary Berzilla McGinnis, born Nov. 3, 1833 in Williamstown, Grant Co., Kentucky, died June 9, 1873 in Scotland Co., Missouri. Married Mary Elizabeth Roberts Feb. 7, 1859 in Knox Co., Missouri. Mary Elizabeth Roberts born Sept. 23, 1844 in Knox Co Missour, died Jan. 24, 1931, Rutledge, Scotland Co., Missouri. Daughter of Redding Roberts & Elizabeth Tate.Children:
John Byrd Tull 1860 to 1869
Mary Elizabeth Tull 1862 to 1934 married Aaron Sullivan
Children:Elmer Sullivan 1879 to 1917
James Sullivan 1883 to ?
Ruby Dean Sullivan 1885 to ?
Julian Glen Sullivan 1891 to 1959
Eliza Ann Tull 1864 to 1865
Edward Tyson Tull 1865 to 1946 Married Mary Alice Sallee
James Henry Tull Sr. 1868 to 1933 Married Lydia Lee Buford (my grandparents)
I am looking for infornation on the Mary Elizabeth Tull Sullivan line.
Mary Tull Sullivan died in the state of Washington.
I have some information on this line but would like to get in touch with some of her descendants.