John Voelz is pastor of Westwinds Community Church in Jackson, Mich. The church has its own social network, called Community W. Congregants are encouraged to tweet about sermons, and a Twitter feed is posted on the church’s website. Voelz also writes a blog popular with church members.

Rabbi Andrea London leads Beth Emet The Free Synagogue of Evanston, Ill., which has a Facebook page.

Craig Strickland is senior pastor of Hope Presbyterian Church in Cordova, Tenn., which bills itself as a “church for the unchurched” and relies on social networking sites such as Facebook and Twitter to provide a sense of community.

Terry Ledbetter is pastor of NorthStar Church in Saltillo, Miss., which held a series of 2008 sermons on the subject of Facebook.

Mars Hill Church in Seattle uses its own social network, The City, to keep members of its several campuses connected. Mark Driscoll is pastor.

The Catholic Diocese of San Jose, Calif., uses Facebook and Twitter to stay in touch with local Catholics.

Holy Cross Evangelical Lutheran Church of Fairfield, Ohio, uses Facebook to connect with its members and lists that under the church’s ministries. The church also links to the ELCA’s Imagine Yourself social network. Timothy R. Swanson is reverend.

Temple Beth Kodesh in Boynton Beach, Fla., has a Facebook page administered by Rabbi Michael Simon.

Southwest Christian Church in East Point, Ga., uses its Facebook page for a variety of things, including evangelization.