[5] In 2006, the diocese issued a news release saying that it was "unwilling to accept the leadership" of the Presiding Bishop, Katharine Jefferts Schori, and passed resolutions asking for "alternative pastoral oversight" and withdrawing consent to be included in Province 5 of the Episcopal Church in the United States of America.

[5] On November 7, 2008, the 131st Synod of the Diocese of Quincy voted to leave the Episcopal Church and instead join the Anglican Province of the Southern Cone.

As Keith Ackerman's resignation as bishop took effect on November 1, Edward den Blaauwen of Moline, Illinois was appointed to preside over the synod.

[2] The major resolutions, which both passed, were to annul the diocese's accession to the constitution and canons of the Protestant Episcopal Church in the United States of America and to join the Anglican Province of the Southern Cone.

After the vote to realign passed, it was announced that Archbishop Gregory Venables of the Southern Cone diocese appointed den Blaauwen as vicar general in the absence of a sitting bishop.

[2] Also passed by the synod were: a resolution that parishes may withdraw from "the Synod of this Diocese" by a two-thirds vote within the following nine months, and clergy may transfer to other dioceses; a resolution seeking an amicable settlement regarding diocesan assets with the Episcopal Church and any congregations that might seek to remain in the Episcopal Church; a resolution that other parishes outside the geographic boundaries may join the synod of the diocese; funding for the Province of the Southern Cone and the Anglican Communion Network; support for the Common Cause Partnership; and a new diocesan canon to govern marriage, defined as being between "one man and one woman".