His father was J. Glenn Beall, who served in both chambers of the United States Congress as a U.S. Representative from Maryland's 6th congressional district (1943–1953) and as a U.S.

His younger brother, George Beall, served as United States Attorney for the District of Maryland (1970–1975), and in 1973, prosecuted Vice President Spiro Agnew for bribery.

[2] Beall served one term in the U.S. House, representing Maryland's 6th congressional district, and then ran for the U.S. Senate in 1970, narrowly defeating incumbent Democrat Joseph Tydings.

With Aris T. Allen as his running mate, Beall ran for Governor of Maryland in 1978 but lost to Democratic nominee Harry Hughes by an overwhelming margin.

[4] Beall resumed the insurance business in Cumberland and was very active in the local community until his death as a result of cancer on March 24, 2006 at age 78.