In the universe where that job is still so popular that they don't have a constantly changing roster as they are constantly overworked...no, not even then. That person won't know ages, occupations, financial status, nothing.

If they really do it for a long time they might remember your face and where you live, but they have thousands of faces and places every day. Not like they are going with a list on which to add stuff like "Mmmh, the packet was heavy, must have been a Weight Plate for the gym"