It’s now possible to name Beacons, Guild Settlements and Greater Settlements. The rename actions are all accessible from your Beacon Control. You need to have Guild permissions if it’s the Guild rather than yourself who is the Warden.
Below is a view of my test Beacon:
If you own or control a Beacon then you can rename it here:
If the Beacon is part of a Guild Settlement then it will be included in the Settlement Details:
If you control the guild then you can rename the Guild Settlement:
If the Beacon is also part of a Greater Settlement then it will be included in the Settlement Details:
If you’re the Warden of the Greater Settlement or your Guild is the Warden and you control the Guild then you can rename the Greater Settlement: