Tysdal Family History
Tysdal Surname Meaning
English and Scottish: variant of Teasdale. Norwegian: habitational name from the farm name Tysdal in Rogaland.
The first element is most likely tvi ‘divided into two parts’ or possibly from Old Norse thurs ‘troll giant living in the mountain’.
The last element dal means ‘valley’.
Source: Dictionary of American Family Names 2nd edition, 2022
