[['district', 'vacator', 'reason for change', 'successor', 'date successor seated'], ['tennessee 1st', 'vacant', 'tennessee re - admitted into the union', 'nathaniel g taylor (u)', 'july 24 , 1866'], ['tennessee 2nd', 'vacant', 'tennessee re - admitted into the union', 'horace maynard (uu)', 'july 24 , 1866'], ['tennessee 3rd', 'vacant', 'tennessee re - admitted into the union', 'william b stokes (uu)', 'july 24 , 1866'], ['tennessee 4th', 'vacant', 'tennessee re - admitted into the union', 'edmund cooper (u)', 'july 24 , 1866'], ['tennessee 5th', 'vacant', 'tennessee re - admitted into the union', 'william b campbell (u)', 'july 24 , 1866'], ['tennessee 6th', 'vacant', 'tennessee re - admitted into the union', 'samuel m arnell (uu)', 'july 24 , 1866'], ['tennessee 7th', 'vacant', 'tennessee re - admitted into the union', 'isaac r hawkins (u)', 'july 24 , 1866'], ['tennessee 8th', 'vacant', 'tennessee re - admitted into the union', 'john w leftwich (uu)', 'july 24 , 1866'], ['new york 16th', 'orlando kellogg (r)', 'died august 24 , 1865', 'robert s hale (r)', 'december 3 , 1866'], ['pennsylvania 16th', 'alexander h coffroth (d)', 'lost contested election february 19 , 1866', 'william h koontz (r)', 'july 18 , 1866'], ['indiana 7th', 'daniel w voorhees (d)', 'lost contested election february 23 , 1866', 'henry d washburn (r)', 'february 23 , 1866'], ['new york 8th', 'james brooks (d)', 'lost contested election april 7 , 1866', 'william e dodge (r)', 'april 7 , 1866'], ['new york 3rd', 'james humphrey (r)', 'died june 16 , 1866', 'john w hunter (d)', 'december 4 , 1866'], ['kentucky 3rd', 'henry grider (d)', 'died september 7 , 1866', 'elijah hise (d)', 'december 3 , 1866'], ['pennsylvania 11th', 'philip johnson (d)', 'died january 29 , 1867', 'vacant', 'not filled this term']]
only 1 seat remained Vacant for the Term after the death of the sitting representative
only 1 seat remained [ENT] for the [ENT] after the death of the sitting representative