How Irish ancestry links Demi Lovato, Megan Fox and Olivia Wilde


Alyson Hannigan ( born March 24th 1974) is an actress known for her roles in the hit T.V shows ‘Buffy The Vampire Slayer’, and ‘How I met Your Mother’.She is of Irish and Jewish descent, but has strong Irish roots on her Father’s side. Hannigan even named her daughter Keeva , an alternative spelling to the traditional Irish ( Caoimhe) in honour of her Irish background.