Note: SUVCW (Sons of Union Veterans of the Civil War) and

DUVCW (Daugthers of Union Veterans of the Civil War) Are for
male (SUVCW) and female (DUVCW) descendants of Union War Veterans.
See their websites.
SUVCW URL http://suvcw.org/
DUVCW URL http://www.duvcw.org/
For War of 1812:
General Society of War of 1812 (male descendants)
URL http://www.societyofthewarof1812.org/
National Society of UNited Sates Daugthers of War of 1812 (female descendants) URL http://www.usdaugthers1812.org/