My dad told me he thought the Suddeaths came from the Czech area. He said he knows the spelling has changed within the family. His dad was born in KY and some of the family members spell the name Suddeath, Suddeth, Suddeith, and Sudduth. I met a lady from Poland and she said she believes the name from an area south of Poland. I did some research and found an area that was called Sudetenland. I don't know if that's where the Suddeath name from but Sudeten sounds a lot like that name.
Russia
USA Philadelphia County, PA. The county name means "city of brotherly love" ... The county is in the Philadelphia-Camden metro area
It comes from the term "Sampson County"
Johnson is not an Irish name. This is not to say there are not Johnsons with Irish ancestry. So no Irish county is associated with the name Johnson.
There is an Oxbox Lake in Cass County, Minnesota.
The proud and noble Irish surname of O'Neill is first found in County Tyrone and County Clare.
Staffies origianlly come from the county of Staffordshire. Hence the name, Staffordshire Bull Terrier.
Early records show Mankelow name was English. though it seems that they may have come over from Europe in the 1700's. The was a lot of Mankelows in the area of Tunbridge Wells, Kent. There are a lot Mankelows in the county of Kent, England today.
Alegebra
Originally from the county of Cheshire in England. Check the link below.
From the Roman name 'Mamucium' which could have been adopted from the Celtic name for the area. There was a stronghold in the area before the Roman occupation
Greensboro was founded in 1771 and is in Guilford County. The name Greensboro came from Nathanael Greene, a Revolutionary War general.