The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 31st Senate (3 members)
- 32nd Congress (3 members)
- 32nd House of Representatives (2 members)
- 32nd Senate (3 members)
- 33rd Congress (3 members)
- 33rd House of Representatives (4 members)
- 33rd Senate (3 members)
- 34th Congress (3 members)
- 34th House of Representatives (10 members)
- 34th Senate (5 members)
- 35th Congress (3 members)
- 35th House of Representatives (4 members)
- 35th Senate (5 members)
- 3rd Congress (1 member)
- 3rd House of Representatives (0 members)
- 4th Congress (1 member)
- 4th House of Representatives (0 members)
- 5th Congress (1 member)
- 5th House of Representatives (0 members)
- 6th Congress (1 member)
- 6th House of Representatives (0 members)
- 7th Congress (1 member)
- 7th House of Representatives (0 members)
- 8th Congress (2 members)
- 8th House of Representatives (0 members)
- 9th Congress (0 members)
- 9th House of Representatives (0 members)
- Accountants (2 members)
- Actors (4 members)
- Actors and actresses (0 members)
- Age error (3 members)
- Alta Group people (1 member)
- Andrist family (5 members)
- Anville (3 members)
- Architects (2 members)
- Archivists (16 members)
- Arsky (2 members)
- Art (1 member)
- Art industry (1 member)
- Articles using infobox templates with no data rows (2 members)
- Articles with hatnote templates targeting a nonexistent page (1 member)
- As of (1 member)
- As of 2025 (2 members)
- As of December 2025 (1 member)
- As of July 2025 (1 member)
- As of September 2024 (2 members)
- Attorneys (5 members)
- Attorneys general (5 members)
- Auditors (8 members)
- Authors (3 members)