Mahoney has two children, Amber, 10, and Harper, who is starting school next week.
New Zealand Rugby's high performance referee manager, Bryce Lawrence, welcomed the inclusion of Mahoney and Natarsha Ganley as a positive statement about women in refereeing. The New Zealand national squad officiate at the Mitre 10 Cup, Heartland Championship and Farah Palmer Cup.
Mahoney made her Black Ferns debut in 2004 against the United States in Calgary and played until 2011. Her career included two Women's Rugby World Cup-winning campaigns in 2006 and 2010.
She played in 16 tests and scored 25 points. After retiring from international rugby, she continued to play in the WPC and was a key member of the Manawatu Cyclones in 2013 and 2014.
Mahoney is the daughter of Shirley and Neal Hull of Pahiatua and Mrs Hull said the appointment has been a "great honour".