Moselle Alexander McLendon was born in Waco, Texas, in 1878 to L. C. and Delix Alexander. She attended Baylor University from 1886-1889 before attending Monticello Female Seminary in Godfrey, Illinois, from 1890 to 1892. Her two sisters, Hortense and Gladys also attended the school. She married George K. McLendon of Waco on February 7, 1893. The couple had one son, Jesse S. McLendon, the next year.
McLendon was involved in numerous organizations in Waco, including the Daughters of the American Revolution, Texas Fine Arts Association, and Waco Art League. She returned to Baylor and earned her bachelor's degree in 1916. McLendon also donated the "Pied Piper" stained glass window to the Browning Room of Carroll Library in 1924. The window now resides in the Armstrong Browning Library. Moselle Alexander McLendon died in November 1961.
More information about Moselle Alexander McLendon can be found in the Moselle Alexander McLendon papers at The Texas Collection.