Walter mac Thomas de Búrca (Walter Bourke), 3rd Mac William Íochtar (died 1440) was an Irish chieftain and noble who was lord of Lower (North) Connacht, Ireland.
Walter Bourke (mort le 7 septembre 1440) est le 4e seigneur de Mayo de 1402 à 1440 (fr)
Walter mac Thomas de Búrca (Walter Bourke), 3rd Mac William Íochtar (died 1440) was an Irish chieftain and noble who was lord of Lower (North) Connacht, Ireland. (en)