Erin Lynn Derr and Matthew Robert Crist, both of Williamsport, were untied in marriage at 2 p.m. Saturday, July 27, 2013.

Thomas Reeder officiated at the ceremony held at Christ Episcopal Church.

A rehearsal dinner was held at Johnson’s Cafe, Montoursville, and an outdoor reception was held at Kremser’s Landing, Montoursville.

The bride is the daughter of Carol A. Derr and William R. Derr, both of Williamsport. She graduated from Williamsport Area High School in 2000 and received an associate degree in occupational therapy in 2007 from Pennsylvania College of Technology. She is employed by DeWald Chiropractic as a chiropractic assistant.

Crist is the son of Teresa and Thomas Crist, of Williamsport. He graduated from Williamsport Area High School in 2000 and received an associate degree in building construction technology from Pennsylvania College of Technology in 2003. He is self-employed by Crist Construction.

Matron of honor was Jennifer Hartley, of South Williamsport, sister of the bride.

Bridesmaids were Lindsay Crist, of Reading, sister of the bridegroom; Vanessa McKernan, of South Williamsport; and Nadera Yancey and Kelly Hilner, both of Williamsport.

Junior bridesmaids were Olivia Henley, daughter of the bride, and Emily Hartley, niece of the bride.

Flower girl was Alaina Henley, daughter of the bride.

Ring bearer was Dylan Derr, nephew of the bride.

Best man was Eli Keller, of Japan.

Groomsmen were Cody Strouse and Justin McKernan, both of South Williamsport; and Craig Derr, of Williamsport, and Kevin Derr, of Lock Haven, brothers of the bride.

Junior groomsman was Devin Grassmyer, nephew of the bride.

Following a wedding trip to St. Thomas in the Virgin Islands, the couple is residing in Williamsport.