The Gibson House Annual Benefit will be held Sunday, March 22 at the Fairmont Copley Plaza. Cocktails, food, a jazz trio, raffle and live auction will kick off the celebration of the 150th anniversary of Catherine Hammond Gibson’s decision to build one of the first houses in the Back Bay. $125 in advance, $150 at the door. For more information, log on to www.thegibsonhouse.org.