Family History and Genealogy Resources by Surname
Halliday Surname Origin
'Holy-day.' It is said this name had its origin in the Slogan, or war-cry of a Gaelic clan residing in Annandale, who made frequent raids on the English border. On these occasions they employed the war-cry of 'A holy-day,' every day, in their estimation, being holy, that was spent in ravaging the enemy's country.
Source: An Etymological Dictionary of Family and Christian Names With an Essay on their Derivation and Import; Arthur, William, M.A.; New York, NY: Sheldon, Blake, Bleeker & CO., 1857.
Halliday Surname Meaning and Family Facts
There is more to Halliday family history than the origin of your surname:
A Halliday Family History Thought:
'If you would not be forgotten,
As soon as you are dead and rotten,
Either write things worthy of reading,
Or do things worthy of writing.' --Benjamin Franklin, May 1738