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The International Society of Wizards and Witches

The International Society of Wizards and Witches #2966921

3
members (measured 21 Sept 2026, 15:10 UTC)
16 October 2016
created (per Roblox API)
10 August 2026
first measured by this register

Game fan groupsENHarry PotterRoleplayFan Group

Description

The International Society of Wizards, Witches, Squibs and Muggles Rule Book: https://forum.roblox.com/Forum/ShowPost.aspx?PostID=200157909 Founded at 3:25 PM on the 16/10/2016 Australian Eastern Time Zone UTC+10:00

Written by the group; not a statement by this register.

Membership history

Growth

Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.

Measurement log — every members count we have recorded
Measured (UTC)MembersChange
5 Sept 2026, 05:433first reading

Ownership

Owned by @Butcher_232 as measured.

Groups seen changing owner — the largest ever handed over and the most recent — are on the ownership transfers board.

Members we’ve seen

@Butcher_232 — Chairman (rank 255)

@Dilduck — Advisor to the Chairman (rank 18)

A sample — only members this register has independently measured, highest rank first. Not the full roster.

Rank structure

Chairman0
Advisor to the Chairman0
Minster0
Senior Undersecretary0
Junior Undersecretary0
Wizengamot Head0
Wizengamot0
Grand Auror0
Lieutenant Auror0
Senior Auror0
Auror0
Junior Auror0
Auror-in-Training0
Department Head0
Department Supervisor0
Depatment Employee0
Department Trainee0
Azkaban0
Member3
Witch/Wizard1
Guest0

Roles and per-rank member counts as Roblox reports them (rank 0 = guest … 255 = owner).

Related groups

Groups whose measured members overlap with this one — a sample from our membership graph.

Open data

Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)

Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.