There was only one William H. Gardner in the 1st Iowa Cavalry, but three
William Gardners. The William H. Gardner had the same enlistment information as
you provided. A William W. Gardner, Co. B, 1st Iowa Cavalry, a New Yorker,
lived in Clinton Co., Iowa. William A. Gardner, Co. C, 1st Iowa Cavalry, was a
native Iowan and enlisted or lived in Burlington.
There are listings for 13 William Gardners in the Iowa Rosters. A William P.
H. Gardner, born in PA, enlisted at Wheatland, Clinton Co., and served with
the 26th Iowa Infantry. If you'd like information on the other William
Gardners in the Rosters, let me know.
Can the three William H. Gardner's be differentiated by a widow or place of