John Mark
Mark 1:33ESV·traditional attribution

And the whole city was gathered together at the door.

Matthew Henry Presbyterian @wholebiblehenry

In these verses, we have, I. A particular account of one miracle that Christ wrought, in the cure of Peter's wife's mother, who was ill of a fever. This passage we had before, in Matthew. Observe, 1. When Christ had done that which spread his fame throughout all parts, he did not then sit still, as some think that they may lie in bed when their name is up.

Commenting on Mark 1:29-39

John Gill Reformed Baptist @doctorgill

And all the city was gathered together at the door. That is, the inhabitants of the city of Capernaum, a very great number of them at least, who having either heard of, or seen the dispossession of the unclean spirit in the synagogue in the daytime; and being willing to see what miraculous cures might be wrought by Christ upon the diseased and possessed that...

Albert Barnes Presbyterian @notesbybarnes

Verse 33. All the city. A great part of the city. A great multitude from the city.