Roblox RegisterIndependent record of Roblox groups · not affiliated with Roblox Corporation
Harry Potter Meme/Theory group!

Harry Potter Meme/Theory group! #4206950

2,924
members (measured 17 Oct 2026, 08:31 UTC)
16 June 2018
created (per Roblox API)
10 August 2026
first measured by this register

Game fan groupsENfan communitytheory discussionsocializing

Description

This group is about everything Harry Potter related! Here you may discuss theories or make new friends :D You may pm me if you have any questions.

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

Membership history

Growth

2,9232,9302,926.510 August 2026 — 2,929 members16 August 2026 — 2,930 members18 August 2026 — 2,929 members21 August 2026 — 2,928 members21 August 2026 — 2,929 members21 August 2026 — 2,928 members25 August 2026 — 2,927 members27 August 2026 — 2,926 members2 September 2026 — 2,927 members3 September 2026 — 2,926 members4 September 2026 — 2,925 members6 September 2026 — 2,924 members8 September 2026 — 2,923 members9 September 2026 — 2,924 members11 September 2026 — 2,925 members20 September 2026 — 2,924 members4 October 2026 — 2,925 members10 October 2026 — 2,926 members13 October 2026 — 2,925 members15 October 2026 — 2,924 members2,92410 August 202615 October 2026
20 measurements spanning 66 days, net -5. Dots are measurements; the straight line between them is drawn to join them, not to claim we know the path taken in between — snapshots are recorded only when a count changes, so gaps mean “no change observed”, never “interpolated”. The vertical axis spans 2,922–2,931 and does not start at zero.
Measurement log — every members count we have recorded
Measured (UTC)MembersChange
15 Oct 2026, 14:012,924-1
13 Oct 2026, 20:012,925-1
10 Oct 2026, 13:502,926+1
4 Oct 2026, 18:572,925+1
20 Sept 2026, 01:402,924-1
11 Sept 2026, 18:362,925+1
9 Sept 2026, 21:102,924+1
8 Sept 2026, 14:302,923-1
6 Sept 2026, 01:212,924-1
4 Sept 2026, 18:382,925-1
3 Sept 2026, 01:402,926-1
2 Sept 2026, 04:402,927+1
27 Aug 2026, 15:002,926-1
25 Aug 2026, 00:002,927-1
21 Aug 2026, 08:202,928-1
21 Aug 2026, 08:112,929+1
21 Aug 2026, 04:222,928-1
18 Aug 2026, 00:542,929-1
16 Aug 2026, 20:302,930+1
10 Aug 2026, 12:162,929first reading

Ownership

Owned by floris (@YT_Unicornfan552) as measured.

Claimed by user #497976856 — observed between sweeps, detected 10 Aug 2026, 13:47 UTC

Detection dates bound when a change was seen by this register, not when it happened.

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

Members we’ve seen

floris (@YT_Unicornfan552) — headmaster (rank 255)

@WiseWitchNeffie — student (rank 1)

Ino (@Ino_Mih) — student (rank 1)

KingCarson (@Freeze5742) — student (rank 1)

renwashere (@Rxsemaryii) — student (rank 1)

AMAL (@AM4LISH) — student (rank 1)

Livv (@Volleyballmaster3333) — student (rank 1)

@xXGinnyisthebestXx — student (rank 1)

Beef (@Purrkin444) — student (rank 1)

Cece (@charlotterools1234) — student (rank 1)

Amanda (@mandytheflowerfairy) — student (rank 1)

rhia (@rhiswa) — student (rank 1)

Loony (@panda_pandapenguin) — student (rank 1)

@LiliInRoblox — student (rank 1)

enolaholmes (@Mermaidvk98076) — student (rank 1)

Mitsuki (@sebasloms364e) — student (rank 1)

@Luna_leafeon — student (rank 1) terminated

@blahstreetyblah — student (rank 1)

ava (@Ava_gamergirl0504) — student (rank 1)

shay (@hole90s) — student (rank 1)

joanerbob (@joanisabelsim123) — student (rank 1)

Diidy (@BaconGeorge11) — student (rank 1)

@ufclorrd — student (rank 1)

@Kaieddie13 — student (rank 1)

Simply_Emma (@Emmaisamazing83) — student (rank 1)

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

Rank structure

headmaster1
professor0
Member2,929
student2,928
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.