Pattern BKBKBKGWGWGKGKGKGKGWGWGKBKBKBG

BKBKBKGWGWGKGKGKGKGWGWGKBKBKBG

It is a 30 stripes tartan.

Colour Sequence

BKBKBKGWGWGKGKGKGKGWGWGKBKBKBG

List of tartans with this colour sequence

Tartans
O'Connor
O'Donohue