▁ 4 , ▁ 1 9 0 5 ▁– ▁April ▁ 2 7 , ▁ 1 9 2 8 ) ▁V ac ant ▁( A pril ▁ 2 7 , ▁ 1 9 2 8 ▁– ▁March ▁ 3 , ▁ 1 9 2 9 ) ▁Oscar ▁St anton ▁De ▁Pri est , ▁Republican ▁( M arch ▁ 4 , ▁ 1 9 2 9 ▁– ▁January ▁ 3 , ▁ 1 9 3 5 ) ▁Arthur ▁W . ▁Mitchell , ▁Democratic ▁( J anu ary ▁ 3 , ▁ 1 9 3 5 ▁– ▁January ▁ 3 , ▁ 1 9 4 3 ) ▁William ▁L . ▁Daw son , ▁Democratic ▁( J anu ary ▁ 3 , ▁ 1 9 4 3 ▁– ▁January ▁ 3 , ▁ 1 9 6 3 ) ▁Illinois ' s ▁ 7 th ▁con gression al ▁district ▁( 1 9 6 3 ▁– ▁present ): ▁Roland ▁V . ▁Lib on ati , ▁Democratic ▁( J anu ary ▁ 3 , ▁ 1 9 6 3 ▁– ▁January ▁ 3 , ▁ 1 9 6 5 ) ▁Frank ▁Ann un z io , ▁Democratic ▁( J anu ary ▁ 3 , ▁ 1 9 6 5 ▁– ▁January ▁ 3 , ▁ 1 9 7 3 ) ▁V ac ant ▁( J anu ary ▁ 3 ▁– ▁June ▁ 5 , ▁ 1 9 7 3 ) ▁Card iss ▁Collins , ▁Democratic ▁( J une ▁ 5 , ▁ 1 9 7 3 ▁– ▁January ▁