sentences:  Pettis was elected as a Republican to the Ninety-fourth Congress, by special election, to fill the vacancy caused by the death of her husband, United States Representative Jerry Pettis.She won his seat by special election and she was subsequently reelected to the Ninety-fifth Congress (April 29, 1975 – January 3, 1979).She was not a candidate for reelection to the Ninety-sixth Congress in 1978.