I have had a similar issue with villagers disappearing near the spawn chunks in 1.14.4. They were named so I believe if they were dying by suffocation in a wall there would have been a death message, and they did not have access to beds.
Jo Quimson
I have had a similar issue with villagers disappearing near the spawn chunks in 1.14.4. They were named so I believe if they were dying by suffocation in a wall there would have been a death message, and they did not have access to beds.