MacLane died of [[double pneumonia]] at age 66 on New Year's Day, at [[Saint John's Health Center]] in [[Santa Monica, California]], a week after his 66th birthday.<ref name="ei">{{cite news|title=Movie Bad Guy, Barton MacLane, Dead At 66|url=https://news.google.com/newspapers?id=fVVQAAAAIBAJ&pg=4378,287185&dq=barton+maclane+dead&hl=en|access-date=3 April 2017|work=The Evening Independent|agency=Associated Press|date=January 2, 1969}}</ref> He had been admitted two weeks prior to his death.<ref name="ei"/>
MacLane was buried in [[Valhalla Memorial Park Cemetery]].{{Citation needed |date=August 2021}}
