Jonathan married Josephine Garner July 8, 1869 at her farm home near Nodaway, Andrew Co, MO.
They had 11 children: Charles, Leona, Will, David, Eva, Leliah, Ora, Ethel, Myrtle, Clarence, and Paul. Jonathan was a farmer, first owning land in Grape Grove Twp,Ray Co, MO, inherited from his father, William Newby. He and his family sold their land and drove their cattle across the Missouri River into Kansas and settled in SW Ness Co as ranchers. From there they moved to Marion Co, KS and then Anderson Co, KS, where his mother Hannah Lee (Adams) Newby died; then to Johnson Co, KS, and finally to Rice Co, KS. In his later years he carried the mail from the train depot to the post office in Lyons, KS. He and is wife also lived in Sterling, KS, after he retired. Both were active members in the Christian Church.

His unlinked children:
Lizzie Leona Newby Lamle, b 12 May 1872 Georgeville, Ray, MO; m Jan 30, 1895 to Benjamin Franklin Lamle. Died Sept 26, 1924 Wiley, Prowers Co, CO.

James Willard Newby, b Mar 3, 1874 Georgeville, Ray, MO; m Oct 4, 1898 Effie Cornwell. Died 18 Nov 1961 Zarah, Johnson Co, KS.

David Allen Newby born Oct 1, 1875 Georgeville, Ray, Missouri & died Nov 26, 1979 in Los Angeles County, CA. Married 1-Mable Lawson, Dec 25, 1896. Married 2-Mary E. Lewis, Mar 30, 1948.

Hannah Evaline "Little Eva", b Dec 31, 1877 Georgeville, Ray, MO; died an infant Jan 5, 1879 Georgeville, Ray Co, MO; buried at Black Oak Cemetery, Davis Twp, Caldwell Co, MO

Anna Leliah Newby, b 7 May 1879 Buda, Ness Co, KS; m 26 Apr 1899 Walter O. Jones. Died Jan 6, 1971 Riverside, CA.

Buna Ceora "Ora" Newby, b May 5, 1881 Buda, Ness Co, KS; m Robert Harrison Hill Mar 7, 1900 Rice Co, KS. Died 2 May 1976 Colorado Springs, El Paso, CO. Buried @ Manitou Springs, CO.

Ethel Rebecca Newby, b 20 Mar 1883 near Elk, Grant Twp, Marion Co, KS; m1 Thomas Jones 30 Aug 1899 Rice Co, KS - he contracted throat cancer and commtted suicide. She m2 Sid Cross. She m3 Frank Webster and moved to Long Beach, CA. She is buried in Whittier, CA.