Salop is a name for Shropshire. A Salopian is a person who lives/was born in the county.According to Your Dictionary website* Salop is Early Middle English, a shortening of Salopescira from Old English Scropscir and possibly from Scrobbesbyrigscir.Some of those words are proper Old English. What was written the census return was modern English, only a century or so since! I expected to see an extract in Secretary Hand or similar. * Definition from Webster's New World College Dictionary 5th Edition 2014www.yourdictionary.com/salop