1) The regional word for the birch.
1382 unum byrke … vento prostratos, Meltham
1518-9 wode within the birke stubyng, Tong
1621 sold fortie five birkes of his part of the woodes, Netherthong
1741 the jury presents Joseph Haigh … for cutting down and carrying away certain Birks … growing on the wast called Taylor Hill, Almondbury.