Definition of "hooly"

[…] bee by our Executours hooly and perfitely finiſshed in every behalve, after the maner and fourme before rehersed, and futingly to that that is begoune and doon of theim.

c. 1500, Henry VII, “The Will of King Henry VII”, in The Will of King Henry VII, published 1775, page 6

This couldna hae lasted abune some ten minutes or less, when he began to wax weakish, and to stay rather langer at a time aneath than seemed consistent wi' prudence; sae I walked hooly doon to the bank, and cried on him to come oot, unless he was set on felo-de-se.

1834, Noctes Ambrosionæ No. LXIX: Blackwood's Edinburgh Magazine, volume 36, page 832

O, gin my wife wad drink hooly and fairly!

1840, Joanna Baillie, Hooly and Fairly, Fugitive Verses, 1851, The Dramatic and Poetical Works of Joanna Baillie, 2nd Edition, page 819