In 1955, Jane Alexander was admitted to the York County Bar Association.[6] She was the second woman to gain membership within the county bar, and the first to actively practice law.[2] Alexander began her legal career in criminal law.[3] She was elected to her first political office in 1955, and sat on the Dillsburg Borough Council as its first woman member.[2] She was named president of the body, serving from 1958 to 1959,[1] and was also the first woman to lead the council.[2] Alexander subsequently served as a member of the Northern Joint School Board.[1][2] Affiliated with the Democratic Party, Alexander was elected to two terms on the Pennsylvania House of Representatives, serving the 92nd District from 1965 to 1969.[1][2] Upon taking office, Alexander became the first women to represent York County in the Pennsylvania General Assembly.[7] She lost her second reelection campaign in 1968.[1][2] Between 1969 and 1972, Alexander was appointed to the Children's Services Advisory Board.[1][6] She then worked for the Pennsylvania Department of Agriculture's Bureau of Foods and Chemistry. Governor Milton Shapp subsequently named her deputy agricultural secretary for the state.[3] Alexander became the first woman in the United States to serve as deputy secretary of agriculture at the state level.[3] She remained in that role through 1978, when she became the owner and president of J&J Agri-Products and Services Inc., in Dillsburg.[3] Alexander practiced law until her death,[4] focusing on family law, estates and real estate.[3] Alexander died at Harrisburg Hospital, in Harrisburg, Pennsylvania, aged 90, on May 6, 2020.[6][8]