A famous bearer is American actress Alyson Hannigan (born Allison Lee Hannigan on March 24, 1974), Michelle Flaherty in the "American Pie" film series, and Lily Aldrin in the CBS sitcom "How I Met Your Mother" (2005-present).
Alyson Michalka is a singer and actress known for playing Keely Teslow on Disney channel's Phil of the Future and as one-half of the musical duo Aly & AJ with her sister Amanda.
I agree! Alison seems a little snobbish, and too close to Alice. But Alyson differs itself from both, and makes it more unique with the y instead of i.