[LouieFisk]

I searched your image and came up with these articles (and a few more like them)-

DNA suggests 10,000-year-old Brit had dark skin, blue eyes
http://www.startribune.com/dna-suggests-10-000-year-old-brit-had-dark-skin-blue-eyes/473112813

Study: Aegean farmers replaced hunters of ancient Britain
https://apnews.com/a711c89f6fc8471ba0a117b2b315eacf

Though, I’m not sure you can extrapolate grand a racial movement from such singular or limited remain finds.

[Cronos]

But Cheddar man was Caucasian - even though he had dark skin.

“Race” is not dependent on skin color or amount of melanin, but on the genetic structure and the skeletal structure.

By that means, the Cheddar man, modern day Irishmen and Tamils are all Caucasians