In 1986, Haines was elected Suffragan Bishop of Washington. He was consecrated on October 29, 1986, by Presiding Bishop
Edmond L. Browning. After the death of Bishop
John T. Walker in 1989, Haines served as
Pro tempore bishop until a successor was elected. He himself was elected on June 30, 1990. He was installed as diocesan bishop on November 15, 1990. Among his many achievements as Bishop of Washington, Haines is mostly remembered for ordaining the Reverend Elizabeth L. Carl, an openly lesbian woman, to the priesthood on June 5, 1991. He was vocal regarding inclusion of sexual minorities and was a critic of racism, describing it as one of the greatest sins on modern America. He was also the first Bishop to nominate a woman, the Reverend
Jane Dixon, to serve as Suffragan Bishop of Washington; she was the second woman to be consecrated a Bishop in the Episcopal Church. Haines retired on December 31, 2000. He died on March 21, 2008, in
Lancaster, Pennsylvania. ==Personal life==