Mildred “Millie” Limbaugh, mother of talkshow host Rush Limbaugh III and a former professional singer, died March 2 of natural causes in Cape Girardeau, Mo. She was 74.Limbaugh was the wife of attorney Rush H. Limbaugh Jr., who died in 1990. She sang professionally for a short time in Chicago. She is also survived by son David Scott Limbaugh.
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