The 76-year-old Democrat from West Point died of cancer this past Sunday. Lawmakers held a brief memorial service Thursday at the Capitol, and the funeral is Saturday in West Point.
Gibbs was first elected to the House in 1993 after having already served as a Lowndes County supervisor.
Democratic Rep. Earle Banks of Jackson says Gibbs treated all people the same, without considering political affiliation, race or geography.
Republican Rep. John Read of Gautier says he never heard Gibbs lose his temper or say a cross word.
Banks and Read also were elected to the House in 1993.