Try the Civil War Soldiers and Sailors System http://www.itd.nps.gov/cwss/index.html it lists Gerard, Ant. Confederate 1st regiment, French Brigade, Louisiana Militia Gerard, Eugene Confederate Infantry 15th regiment, Louisiana Infantry Gerard, Eugene Union Artillery 14th regiment, NY heavy artillery Gerard, Eugene Union Infantry 12th regiment, US Infantry (Regular Army) Click on the section labeled Researcher's Toolbox to get information on further research. Here's another site http://www.geocities.com/Area51/Lair/3680/cw/cw.html