Martin McDonagh’s The Banshees of Inisherin was critically acclaimed and nominated for multiple awards, but the dark comedy's twisty ending is difficult to decode on first viewing. McDonagh’s movies and plays are typically filled with allusions to classics, subtle gags and motifs that aren’t easily apparent, and complex imagery. The Banshees of Inisherin ending, explained upon closer inspection, shows that the 2022 under-the-radar hit is no exception to this rule.
https://screenrant.com/banshees-of-inisherin-ending-explained/