Hannah Selleck continues to be both a breeder of elite horses as well as a competitor in the Grand Prix jumper circuit. In 1987, Tom Selleck married Jillie Mack. Her most recent noted accomplishments have been in 2011 at the Gucci Masters tournament and in 2015 at the Longines Masters of Los Angeles where Selleck added to her ever-growing trophy collection. Hannah Selleck Today. When it came to raising a family, Tom knew he wanted to expose Hannah to the wonderful outdoors. Tom Selleck with wife Jillie Mack (right) and daughter Hannah Selleck (left) Jon Kopaloff/FilmMagic The ranch was a working avocado farm until the plants were decimated by … A year later, on December 16th 1988, Jillie and Tom welcomed their daughter, Hannah Margaret Selleck.