Frances P. Hennigan, 78, of Weymouth, formerly of Medford and Somerville, passed away after a lengthy illness on April 10th, 2021. Beloved daughter of the late Francis and Sarah (Mulkern) Hennigan. Fran was raised and educated in Somerville. For many years she worked as a Computer Systems Manager at the Law Firm of Hale and Dorr in Boston. She was an avid traveler who took many trips with friends over the years. Fran in survived by her cousin, Frances Gorham of Wollaston as well as several other cousins and many dear friends. Per her request, services are private.