Maggie and Bob Mahan, of Richland, celebrated 50 years of marriage April 30 with a celebration dinner at Anthony's Event Center in Richland with family and friends.

They were married April 22, 1961, at the Kennewick First Methodist Church.

Maggie was a secretary for the Kennewick School District and retired in 2004. She volunteered for Cub Scouts, Girl Scouts and as a Methodist Youth Fellowship leader.

Bob was an electrical engineer for Pacific Northwest National Laboratory and retired in 2004. He was also a Sunday school teacher.

They have three children: Mark Mahan of Edmonds; Cindy Herman of Kennewick and Mike Mahan of Kennewick.

They have 10 grandchildren.