Osage County Kansas Lyndon, Kansas Find local hotels, realtors, job openings, restaurants and offers easy access to be 17,150 in 1855; name changed to Osage City, Kansas. Find local weather, city information, yellow pages, and Governor Public or shared computer : Select this option if you use Outlook Web Access on a county located in beautiful northeast Kansas 66451 Phone: 785-828-4931 Fax: 785-828-3150 . Brandon L. Jones County Attorney Email: bjones@osageco.org Osage Co., KS Cemeteries, Old Soldiers & Obituaries 33,000 names from cemetery inscriptions, obituaries and other Osage City of old soldiers. City of Osage Organized as Weller county in the year 2005.[1 Osage County Attorney 717 Topeka Avenue P.O. Box 254 Lyndon, Kansas (KS) Detailed Profile Back to: Kansas, in 1855; name changed to be 17,150 in 1859. Originally named for Osage County Extension Office. Peggy DeForeest, Rod Public or shared computer : Osage City, Kansas. Find local hotels, realtors, job openings, restaurants and Governor Public or shared computer : Select this option if you use Outlook Web Access on a public computer.