The names for these gatherings seem to be regional Ceilidh, Hooley, Sing-song, seisiun, seem to be more "Celtic" related

Kitchen party in the Maritimes

Hoe-down, Hootenany(Hoot), jamboree (jam?) seem to be American

There are also differences in nomenclature according to the activities
dancing, singing, stories, food, tunes

There's a local joke about a poster advertising a pot-luck meal followed by a gospel singing group
"Bean supper! Followed by "Rushing Winds"

best- julia