▁| ▁James ▁C . ▁Allen ▁( D ) ▁| ▁style =" font - size : 8 0 %" ▁| ▁House ▁declared ▁on ▁July ▁ 1 8 , ▁ 1 8 5 6 , ▁he ▁was ▁not ▁entitled ▁to ▁seat . ▁ ▁He ▁was ▁subsequently ▁re - elect ed ▁to ▁fill ▁the ▁vac ancy ▁| ▁ ▁| ▁James ▁C . ▁Allen ▁( D ) ▁| ▁Se ated ▁November ▁ 4 , ▁ 1 8 5 6 ▁| - ▁| ▁ ▁| ▁ ▁| ▁José ▁M . ▁Gal leg os ▁( D ) ▁| ▁style =" font - size : 8 0 %" ▁| ▁Cont ested ▁election ▁July ▁ 2 3 , ▁ 1 8 5 6 ▁| ▁ ▁| ▁Miguel ▁A . ▁O tero ▁( D ) ▁| ▁Se ated ▁July ▁ 2 3 , ▁ 1 8 5 6 ▁| - ▁| ▁ ▁| ▁ ▁| ▁John ▁W . ▁Whit field ▁( D ) ▁| ▁style =" font - size : 8 0 %" ▁| ▁House ▁declared ▁August ▁ 1 , ▁ 1 8 5 6 , ▁the ▁seat ▁vac ant . ▁ ▁He ▁was ▁subsequently ▁re - elect ed ▁to ▁fill ▁the ▁vac ancy ▁ ▁| ▁ ▁| ▁John ▁W . ▁Whit field ▁( D ) ▁| ▁Se ated ▁December ▁ 9 , ▁ 1 8 5 6 ▁| - ▁| ▁ ▁| ▁ ▁| ▁James ▁Me ach am ▁( O ) ▁| ▁style =" font - size : 8 0 %" ▁| ▁D ied ▁August ▁ 2 3 , ▁ 1