Origin of thae
1575–85; representing north and Scots development of Middle English, Old English thā, plural of thæt that
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for thae
It was on ane o' thae nights 'at a mason fell off the rafters an' broke his leg.
Ay, Hendry called me fond like names, thae no everyday names.
Ay, but Hendry was straucht in thae days by what he is noo, an' Jamie wasna born.
"Thae tatties is lang o' comin' to the boil," said T'nowhead.Auld Licht Idylls
J. M. Barrie
It was you hurrying me off to look in thae other carriages, Robbie!Simon
J. Storer Clouston