[2][1] As Lieutenant Governor, Brad Dye served as President of the Senate.

[1][4] Cecil L. Simmons, from the 37th District, served as Speaker pro Tempore.

[1] In November 1989, a special election was held to replace Senator Gene Taylor.

[7] The election was won by Democratic Bay St. Louis mayor Victor Franckiewicz Jr.[7][5] (1988–1990)[8] (1991–1992)[6] 1980–1988 (1988–1989) (1989–1992)[6][10] (1988–1989) (1989–1992)[11][12] (1988–1989) (1989–1992)[7] The House had 122 members, each from a different district.

[1][2] On April 11, 1990, four representatives (Guice, Holston, Ely, and Endt) switched from the Democratic to the Republican Party.