Which of these surnames are Scottish?

[Peterski]

Which of these surnames of my GEDmatch cousins are Scottish?:

Matches on GEDmatch with over 15 Total cM:

- McKean
- Holmes
- Dalton
- Tupper
- Patch
- Halfar
- Crawford
- Allen
- McLean
- Gordon Montgomery
- McKay

These are people my father shares >15 Total cM on GEDmatch.

But I don't know if they are fully Scottish or ethnically mixed.

I'm considering e-mailing them and asking about our matches.

[Graham]

Mckean, Crawford, McLean, Gordon, Montgomery, McKay I know are Scots.

[Gold-Shekel]

Holmes is Mexican

[Peterski]

Mckean, Crawford, McLean, Gordon, Montgomery, McKay I know are Scots.

Interesting. I sent you kit number, why do you think my dad has so many relatively close Scottish matches?

Holmes is Mexican

Thank you, Sherlock, for discovering this.