Fiona Shaw was 51 in Harry Potter and the Deathly Hallows: Part 1 when she played the character 'Petunia Dursley'.
That was over 14 years ago in 2010.
Today she is 65, and has starred in 50 movies in total, 18 of those since Harry Potter and the Deathly Hallows: Part 1 was released.
In Harry Potter and the Deathly Hallows: Part 1, I think Fiona Shaw looks: