This 'saint' may have originated from the label "expedite" on freight parcels. Which may explain why he also seems to be popular on some French Pacific island.
The story is, he was a Roman soldier around the 5th century CE. He helps out in most urgent cases that need an immediate solution where delay would cause large damage enter your supplications on-line.
For these latter-day saints, empty pop bottles seem to be a welcome gift. At least, like this they don't clutter up all the landscape.