Isaac married Agnes Strathern BAKER on 24 Oct 1917. Agnes (daughter of Francis BAKER and Margaret Brown STRATHERN) was born on 10 Jan 1896 in Carthage, Jasper County, Missouri; died on 04 Aug 1972. [Group Sheet] [Family Chart]

1. William Lee MCCLANAHAN was born on 04 Oct 1918; died on 25 Dec 1968.
2. Lloyd Baker MCCLANAHAN was born on 01 Jun 1920; died on 16 Jul 2000.
3. Daryl Roland MCCLANAHAN was born on 21 May 1922; died on 20 Jun 1994.
4. Robert Dayle MCCLANAHAN was born on 21 May 1922; died on 29 May 1980.