Hi Diane,
"vita in questa" means that the deceased lived in this comune while alive...
Here's what I see in the record, others will fill in the missing info
Act of Marriage
9 May 1903 at 10 AM at the Town Hall
Angelo Politi, single, 27 years old, carpenter, son of deceased Michele, who lived in this town, and of deceased Vincenza (can't read the surname completely) who lived in this town.
AND
Santa Lanzafame, 19, worker, daughter of Antonio and of Giuseppa Costa.
T.