A rooming list is the current roster that maps people in a group stay to rooms or beds. A hotel uses one to turn a held room block into named reservations; a private house or retreat can use a smaller coordination plan. Keep those workflows distinct so the list collects only what its recipient actually requires.
Rooming list: the short definition
For a formal hotel room block, the rooming list is the organizer-to-property file that identifies the guests attached to the held inventory. Ask the property for its required template: it commonly needs guest names, arrival and departure dates, and the requested room or room type, but requirements differ by property and reservation system. Rooms is a private coordination plan for a trusted group, not a hotel reservation submission. It maps recognizable names to rooms, shows capacity and bed notes, and keeps one read-only view current. Do not put passport, payment, medical, access-code, or other sensitive reservation data into Rooms.
Use the smallest useful set of fields
For most private stays, keep a display name, optional group label, room name, capacity, and a short bed or room note. Add the arrival date at plan level instead of repeating it for every guest.
Make names recognizable, not sensitive
Use first names, nicknames, or another label the group understands. A family or team label can distinguish duplicate names without storing phone numbers or identity documents.
Treat capacity as a rule
Each room should show assigned people against available places. Block assignments that exceed capacity and block capacity reductions until extra guests are moved.
Maintain one source of truth
A shared current view is safer than emailed files named final, final-2, and final-really. When a change happens, update one plan and direct everyone back to it.
Share only what the audience needs
The guest view should be read-only and contain no contact, medical, payment, passport, or access-code data. Keep management access with trusted organizers.