Ask and ye shall receive. The Daughters of Union Veterans of the Civil War organization currently has 21 members whose fathers were Civil War veterans. One of them is a lady from Columbia, MO: Mary Hayes Carroll. There’s also a list of 21 real daughters who have passed away during the last six years:
Note: If she is still up to the challenge, somebody should interview Mrs. Carroll (and record it!) while there's still time to do so!