Statistics for occurrence #1 of “Casey” in page 386 of Benson J. Lossing, Pictorial Field Book of the Civil War. Volume 2.:
...light troops had reached Bottom's
bridge, on the Chickahominy, at the crossing of the New Kent road, two days before.
The Confederates had destroyed the bridge, but left the point uncovered.
Casey 's division of Keyes's corps was thrown across, and occupied the heights on the Richmond side of the stream, supported by Heintzelman.
...