Passport application received by bureau of Naturalization 24 Sep 1920, issued by Dept of State 28 Sep 1920 (It may be Passport 95019, but may not.]
Born 26 Sep 1870 in Walker/Walker's Station, WV
Father Wm Darby, now dead, b. Ohio.
Father lived in the USA continuously from 1839 - 1875.
Rufus is currently living in Fredonia, Kansas, occ. Broker
Going to Mexico City, Oaxaca and Tampico "to inspect property which I am interested in".
On the next page, Fannie Fitch, formerly Fannie Darby, of Belpre, Washington, Ohio, tells a notary that she and her former husband, William Darby were married and had a son, Rufus F Darby, 26 Sep 1870 in Walkers Station, WV, and when last heard from was in San Antonio.
Ancestry.com reference: Passport Applications, January 2, 1906 - March 31, 1925 > 1920 > Roll 1370 - Certificates: 95000-95375, 28 Sep 1920-29 Sep 1920 > 46 http://www.wvculture.org/vrr/va_bcsearch.aspx
has Felton R born 6 Sep 1870 in Wood County to Wm M Darby and Mary C. The Ancestry.com WV Births index has him born then with mother Elizabeth. WV Archives has the original image. There's a Wm M who marries Mary Smith in Kanawha Co in 1862 on http://www.wvculture.org/vrr/va_mcsearch.aspx
Louise is Lulu in 1880, Eliz in 1900. She goes back to an Oliver Kelly/Kelley b. 1756 and a Revolutionary War vet, if you believe the Find-a-Grave entries.