A documentary research about a “fogatge” (a feudal right), dated from 1363 and kept in Archivo Historico de la Ciudad de Barcelona. It includes a detailed survey of Santa Maria del Mar’s district, with its streets and squares, and also its inhabitants, with their names and nicknames, their jobs and their socio-economical conditions. The temple built during that period and its thirty-five altars are fully described too.A documentary research about a “fogatge” (a feudal right), dated from 1363 and kept in Archivo Historico de la Ciudad de Barcelona. It includes a detailed survey of Santa Maria del Mar’s district, with its streets and squares, and also its inhabitants, with their names and nicknames, their jobs and their socio-economical conditions. The temple built during that period and its thirty-five altars are fully described too