The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- +Ultra (3 members)
- 101 Dalmatians (1 member)
- 101 Dalmatians films (1 member)
- 101st Airborne Division (1 member)
- 1053 births (1 member)
- 1140 deaths (1 member)
- 12 (number) (1 member)
- 12th-century Buddhist monks (1 member)
- 12th-century Japanese painters (1 member)
- 1450s births (1 member)
- 1492 Pictures films (1 member)
- 1510s births (1 member)
- 1516 deaths (1 member)
- 1562 deaths (1 member)
- 1620s births (1 member)
- 1633 works (1 member)
- 1645 births (1 member)
- 1670s births (1 member)
- 1671 births (1 member)
- 1690s ships (1 member)
- 1697 births (1 member)
- 1699 births (1 member)
- 16th-century Dutch painters (1 member)
- 16th-century English people (1 member)
- 16th-century Irish male writers (1 member)
- 16th-century Irish writers (1 member)
- 1700 deaths (1 member)
- 1700s births (1 member)
- 1704 deaths (1 member)
- 1708 deaths (1 member)
- 1715 births (1 member)
- 1716 births (1 member)
- 1721 births (1 member)
- 1738 deaths (1 member)
- 1740 births (1 member)
- 1744 births (1 member)
- 1750 births (1 member)
- 1750 deaths (1 member)
- 1752 births (1 member)
- 1756 births (1 member)
- 1757 births (2 members)
- 1758 births (1 member)
- 1758 deaths (1 member)
- 1761 births (1 member)
- 1762 births (4 members)
- 1764 births (1 member)
- 1764 deaths (1 member)
- 1765 births (2 members)
- 1767 births (1 member)
- 1768 births (1 member)