Deems was married twice. He died of pneumonia in Chicago at the age of 85 in September 1998. He left behind his wife, Jane Johnson.
- Carr, Ian; Digby Fairweather; Brian Priestley (1995). Jazz: The Rough Guide. The Rough Guides. p. https://archive.org/details/jazzroughguide00carr/page/165 165. ISBN 1-85828-137-7.
- "Obituary; Barrett Deems"; The Times; 28 Sept. 1998, p. 23
|Wikimedia Commons has media related to Barrett Deems.|
- Barrett Deems page at Drummerworld
- Barrett Deems Interview NAMM Oral History Library (1998)
- Guide to the Barrett Deems Papers circa 1950s-1999 at the University of Chicago Special Collections Research Center
- Barrett Deems recordings at the Discography of American Historical Recordings.