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. 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.

Birth Name

Alyson Lee Hannigan




Actress, Television Host



Personal Life

Birthday / Date of Birth

Alyson Hannigan was born on March 24, 1974, in Washington, D.C., United States.


She’s currently 45 years old.


Los Angeles, California, United States

Sun Sign




Alyson is of Jewish descent on mother’s side, whereas, has Irish ancestry on father’s side.




Alyson graduated from the North Hollywood High School in Valley Village in 1992. She then majored in psychology from the California State University in Northridge.


Family Details

  • Father – Al Hannigan (Truck Driver)
  • Mother – Emilie Haas (Real Estate Agent)
  • Siblings – Unknown

Marital Status


Boyfriend / Spouse

Alyson Hannigan has dated –

  • Ginger Fish (1990-1998) – In 1990, Alyson Hannigan started going out with Kenneth Robert Wilson (aka Ginger Fish) who served as a drummer for Marilyn Manson’s band. They went out for about 8 years before deciding in 1998 that it was time to move on.

  • Alexis Denisof (2000-Present) – Alyson first met actor Alexis Denisof on the sets of her Buffy the Vampire Slayer in 1998. Although it was flirtation on first sight, she didn’t start dating him for around one and half years and waited for him to complete his work in the TV series as she didn’t want to go out with her co-star. They had broken up for a very brief period but they got back together as their other relationships didn’t work. In October 2003, they got married and the wedding celebrations went on for three days at Two Bunch Palms resort. The couple has two children, daughters Satyana Marie Denisof (b. March 2009) and Keeva Jane Denisof (b. March 2012). He proposed her for the second time in July 2013 and they renewed their vows.

Physical Statistics


  • In feet – 5 feet 4½ inches
  • In centimeters – 164 cm
  • In meters – 1.64 m


  • In Kilograms – 52 kg
  • In Pounds – 115 lbs

Body Measurements

  • Measurements – 34-23-34
  • Bust – 34 inches
  • Waist – 23 inches
  • Hip – 34 inches
  • Bra Size – 32B

Body Build


Eye Color


Hair Color

Dyed Red

Shoe Size

She wears a size 7.5 (US) shoe.

Dress Size

Her dress size is 3 (US).



Professional Statistics

Famous For

Playing the role of Willow Rosenberg in the TV series, Buffy the Vampire Slayer and as Lily Aldrin in the comedy series, How I Met Your Mother. Portraying Michelle Flaherty in film series, American Pie.

Film Debut

Alyson first appeared in 1986 film Impure Thoughts in the role of Patty Stubbs.

Television Debut

Alyson appeared in 14 episodes of ABC sitcom Free Spirit as Jessie Harper, from 1989 to 1990.

Brand Endorsements

Alyson Hannigan has appeared in TV adverts for Six Flags Amusement Parks, McDonald’s, Oreo cookies, Drug Mylanta, Duncan Hines Cookie Mix, Wendy’s, MasterCard credit cards & Head & Shoulders shampoos.

Awards & Nominations

YearAwardCategoryNominated WorkResult
1989Young Artist AwardBest Young Actress in a Motion Picture: Comedy or FantasyMy Stepmother Is an AlienNominated
1990Best Young Actress Starring in a Television SeriesFree SpiritNominated
2000Young Hollywood AwardsBest Ensemble CastAmerican PieWon
Teen Choice AwardsChoice TV SidekickBuffy the Vampire SlayerNominated
2001Saturn AwardsBest Supporting Actress on TelevisionNominated
2001Teen Choice AwardsChoice TV SidekickNominated
2002Saturn AwardsBest Supporting Actress on TelevisionWon
2002Satellite AwardsBest Supporting Actress – Television SeriesNominated
2002Teen Choice AwardsChoice TV SidekickWon
2003Saturn AwardsBest Supporting Actress on TelevisionNominated
2003Teen Choice AwardsChoice TV SidekickNominated
2004Choice Movie Actress – ComedyAmerican WeddingNominated
2004Choice Movie LiplockNominated
2008Choice TV Show: ComedyHow I Met Your MotherNominated
2009People’s Choice AwardsFavorite TV Comedy ActressWon
2010Favorite TV Comedy ActressNominated
2012Favorite TV ComedyWon
2012Teen Choice AwardsChoice Movie Actress: Romantic ComedyAmerican ReunionNominated

Alyson Hannigan Favorites

  • Favorite How I Met Your Mother Episode – Bad News (Season 6, Episode 13)
  • Favorite Color – Blue
  • Favorite Song – Kiss Me (By Ed Sheeran)

Alyson Hannigan Net worth

Alyson Hannigan has a estimated net worth of $30 million dollars as of 2019.

Social Media Profiles

Some Lesser Known Facts About Alyson Hannigan

  • While studying in junior high school, she was a clarinet player.
  • While studying at California State University, she was an Alpha Chi Omega sorority member.
  • In her early teens, she used to play in the various school soccer teams until an injury put an end to her participation in the sports.
  • She has got three tattoos– the tribal dolphins on the ankle; on her back, she has got a Japanese Kanji which stands for happiness and luck and on her left foot, a picture of cartoon turtle.
  • She was a vegan but slowly turned back to dairy products, eggs and meat due to strong cravings during her pregnancy.
  • In 1997, Hannigan was cast to play Willow Rosenberg, Buffy Summers’ best friend, on the television series Buffy the Vampire Slayer.
  • In 2004, Hannigan made her stage debut, appearing in an adaptation of When Harry Met Sally opposite Luke Perry.
  • In 2005, Hannigan returned to starring in a regular television series, taking the main role of Lily Aldrin in the hit comedy How I Met Your Mother and also playing a recurring guest role on Veronica Mars as Trina Echolls.
  • In February 2006, she starred as Julia Jones in Date Movie, a parody of romantic comedies.
  • In 2009, she made a guest appearance in the sitcom The Goode Family.
  • In 2012, Hannigan reprised the role of Michelle in American Reunion.
  • In 2012, she was placed on #42 on AskMen’s list of Top 99 Most Desirable Women.
  • In 2016, she began hosting Penn & Teller: Fool Us, a magic competition TV program.
  • In 2018, she voiced Claire Clancy in the animated series Fancy Nancy.


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