As I noted in a reply a few days ago, I have arranged for a traditional Latin Requiem Mass for my funeral (which, Deo volente, won’t take place for many years), and a priest will have to travel in from out of town (I’ve made those arrangements in my will also). If bringing black vestments were an issue, the continuing Anglican church in town has a set, and the priest there (who has since died himself, tragically, not an old man at all) told me he could make those available if need be.
That Mass will really have to be in the funeral home chapel — I need to call my pre-need guy and make sure all the ducks are in a row — as I seriously doubt any local parish church would allow a TLM Requiem Mass. Can’t elaborate, let’s just say I know my town, and know what their response would be (there is more than one parish in town). I’ll save them the trouble of refusing.