Ancestry by DNA analysis.

[Scriveyn]

Just a couple more

Carruthers is a placeneme in Dumfriesshire which is said to derive from the Brittonic word "caer" meaning "fort" (as in Caerlaverock castle, not far away) and the personal name Ruther (originally Rhythr or Rydderch). It has been suggested that this comes from King Roderc mentioned by St Adamnan. Locally, the name was pronounced "Cridders". ....
http://www.rampantscotland.com/clans...carruthers.htm

"Cridders"? Oh dear.

First found in Dumfriesshire where they were seated from very ancient times, some say well before the Norman Conquest and the arrival of Duke William at Hastings in 1066 A.D. ...

http://www.houseofnames.com/xq/asp.c...-coat-arms.htm

Hm, that sounds better ...

Classification and Origin of CARRUTHERS

Region of origin British Isles
Country of origin Scotland
Language of origin Gaelic
Ethnic origin Celtic
Religious origin Christian

http://www.britishsurnames.co.uk/sur...RUTHERS/origin