The engagement of Grace Lo to David McMillin, both of Oakland, Calif., is announced today. The wedding will be at 6 p.m. April 9, 2011, at Dunleith in Natchez. A reception will follow.

Miss Lo is the daughter of Mr. and Mrs. Fu Lung Wha of Hong Kong.

Mr. McMillin is the son of Dr. and Mrs. F. Lamar McMillin Jr. of Vicksburg. He is the grandson of the late Dr. and Mrs. F. Lamar McMillin Sr. of Little Rock, Ark., and Mr. and Mrs. Willard Ellingson of Milaca, Minn.

The bride-elect is a 2000 graduate of All Saints’ Episcopal School. She attended Texas A&M University and is a civil engineer with the California Department of Transportation.

The prospective groom is a 1999 graduate of All Saints’ Episcopal School. He attended Mississippi State University and Texas A&M University and is a junior associate at Cary Bernstein Architect.