Alyson Hannigan Biography

(Best Known for Her Roles in the Sitcom 'How I Met Your Mother' & the 'American Pie' Film Series)

Birthday: March 24, 1974 (Aries)

Born In: Washington, D.C., United States

Alyson Hannigan is an American actress best recognized for her roles as Michelle Flaherty in the ‘American Pie’ films, Willow Rosenberg in the TV series ‘Buffy the Vampire Slayer’ and Lily Aldrin in the drama series ‘How I Met Your Mother’. She started appearing in commercials at the age of four and by the time she was 11, she had already entered Hollywood. Today, Hannigan is one of the most popular TV actresses in the industry. Her acting skills and ability to portray versatile characters are much appreciated by the critics. She has won numerous awards for her contributions to the small and the big screen, including one Saturn Award, one Young Hollywood Award, and two People's Choice Awards. The actress had a challenging childhood as her parents divorced when she was very young. Raised by a single mother, she started acting as a child to help contribute to the family income. Despite starting her career early she also focused on her studies and attended California State University. Currently a mother of two girls, Hannigan resides in Encino with her family.

Quick Facts

Also Known As: Alyson Lee Hannigan, Alyson Denisof

Age: 50 Years, 50 Year Old Females


Spouse/Ex-: Alexis Denisof (m. 2003)

father: Alan Hannigan

mother: Emilie Posner

children: Keeva Jane Denisof, Satyana Marie Denisof

Born Country: United States

Quotes By Alyson Hannigan Actresses

Height: 5'5" (165 cm), 5'5" Females

Ancestry: Irish American

Notable Alumni: North Hollywood High School

More Facts

education: California State University, Northridge, North Hollywood High School


Alyson Hannigan began appearing in television commercials at the age of four. A few years later, she signed her first major film role in the 1988 flick ‘My Stepmother Is an Alien’. The following year, she made her TV debut, appearing in the sitcom ‘Free Spirit’. Then in 1997, she started playing Willow Rosenberg in the series ‘Buffy the Vampire Slayer’. The series was a success and this subsequently gave the actress opportunities to act in the movies ‘American Pie’, ‘American Pie 2’, ‘Boys and Girls’ and ‘American Wedding’. During this time period, she also had a guest role in the Buffy spin-off titled ‘Angel’.

In 2004, Hannigan made her stage debut, appearing in an adaptation of ‘When Harry Met Sally’ opposite Luke Perry. A year later, she joined the cast of ‘How I Met Your Mother’ as Lily Aldrin and also began appearing in ‘Veronica Mars’. She next starred in the parody of romantic comedies, ‘Date Movie,’ in which she played Julia. In 2009, she made a guest appearance in the sitcom ‘The Goode Family’. Three years later, the American beauty reprised her role as Michelle in the flick ‘American Reunion’. In 2016, she began hosting ‘Penn & Teller: Fool Us’, a magic competition TV program. from 2018 to 2022, she voiced Claire Clancy in the animated series ‘Fancy Nancy’.

She starred as ‘Phyllis Buckman’ in the 2021 superhero comedy film ‘Flora & Ulysses.’ The film received a positive response from critics and received a 73% approval score on Rotten Tomatoes. She also appeared in television shows like ‘Martha Gets Down and Dirty,’ ‘Adorableness,’ ‘Doogie Kameāloha, M.D.,’ and ‘Office Race.’ In 2023, she appeared in the 32nd season of the American dance competition show ‘Dancing with the Stars.’

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Personal Life

Alyson Hannigan was born on March 24, 1974, in Washington, D.C., USA to Alan Hannigan and Emilie Haas. Her father, an Irishman, served as a Teamsters trucker, while her mother, a Jewish lady, worked as a real estate agent. She studied at North Hollywood High School and later enrolled at the California State University, Northridge. Coming to her love life, Hannigan married actor Alexis Denisof on October 11, 2003. As of now, the couple has two daughters.


Alyson Hannigan Movies

1. American Pie (1999)


2. American Reunion (2012)


3. American Pie 2 (2001)


4. American Wedding (2003)

  (Comedy, Romance)

5. Flora & Ulysses (2021)

  (Adventure, Comedy, Family)

6. Dead Man on Campus (1998)


7. You Might Be the Killer (2018)

  (Comedy, Horror, Mystery)

8. Boys and Girls (2000)

  (Comedy, Romance, Drama)

9. My Stepmother Is an Alien (1988)

  (Sci-Fi, Comedy)

10. Kim Possible (2019)

  (Action, Adventure, Comedy)


People's Choice Awards
2010 Favorite TV Comedy Actress Winner

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