While there are a limited number of tests, results available from three kits under BY38883 (191822/Muir, 17643/Kirkpatrick, and IN72783/Cretney), combined with one kit under FT230346 (kit #206140/McMuldroch), all at the Big Y-700 level, indicate FT38883 and FT230346 might be two subclades of BY3374 which are exclusive to the Dumfries and Galloway area, perhaps emerging there in the mid 16th century.
Feeding this theory are non-Muir surname matches (Kirkpatrick, of Dumfriesshire; McMuldroch of Minnigaff, in Kirkcudbrightshire; and Cretney, of Isle of Man; McMuldroch), along with one Muir kit, known to be descended from a Muir who was born in Glencairn, Dumfries, in 1843.
For one, the Kirkpatrick surname is known to be a popular surname in Dumfries, and McMuldroch can be documented to Minnigaff for many years. Additionally, Cretney is known to be a popular name on the Isle of Man. The Cretney situation, however, is clearly NPE, as the majority of Cretney test-takers fall under another haplotree altogether.
Therefore, this might suggest that FT38883 and FT230346 may be more "recent" branches from the Rowallan line of Mure/Muir... specifically, from Mungo Mure (who died at the battle of Pinkie, in 1547), via sons, Archibald, of the Galloway line... and John (John's son, John of Cassincarie). Per Sir William Mure's book (early 17th century writings) on Rowallan, a son of Mungo Mure (Archibald) held title to Arioland and Cotland. Cotland Hill is, in fact, in Dumfries and Galloway; Arioland/Airrieolland/Airyoland is 3.5 miles NW of Glenluce, in Wigtownshire. Additionally, Mures of Galloway included Alexander Mure, Justiciar of Galloway, and his descendants associated with Bardrochwood (near Bargaly), Craichlaw (NW of Wigtown), Chang, Conquiton, Cotland, Drumskeacht, and Barmagachan (west of Kirkcudbright).
Further, yet another "recent" line of descent from Rowallan, in Dumfries and Galloway was with Phillip Mure (1650-1728), a grandson of Sir William Mure, (14th) of Rowallan (1594-1657). Phillip and his brother, Captain Charles Mure, were of Corswell, County Wigton, and Phillip's son, also Phillip, was born at Douglas, Isle of Man, in 1674, establishing another line of Mure/Muir/Moore on Isle of Man.
The medieval Castle Muir, also known as Rueberry Castle, was also located in Dumfries and Galloway.
FT38883 Age Estimation
- FTDNA estimates Haplogroup R-FT38883 emerged between 1042 CE and 1489 CE.
FT38883 Subclades/Phylogenetic Children
Phylogenetic Parent of FT38883
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