(October 11, 2003 - present) 2 children
She married actor Alexis Denisof at Two Bunch Palms Resort in Desert Hot Springs, California on October 11, 2003. (Denisof played Wesley Wyndam-Pryce in the Buffy/Angel franchise and also appeared in How I Met Your Mother as Robin's co-anchor Sandy Rivers in the first and sixth season.) They bought a house together in Santa Monica, California. Their daughter, Satyana Marie Denisof, was born at home six years later on March 24, 2009, Hannigan's 35th birthday, daughter, Keeva Jane Denisof, was born on May 23, 2012