Facts:   - order: first lady of new hampshire    - successor: elizabeth cushman dwinell    - death date: 1 august 2014    - predecessor: rachel adams    - spouse: hugh gregg -lrb- -2003 ; his death -rrb-      - term end: january 6 , 1955    - term start: january 1 , 1953    - birth date: august 15 , 1917    - name: catherine gregg    - alma mater: connecticut college    - death place: exeter , new hampshire    - governor: hugh gregg    - occupation: philanthropist   Based on these bullet points, write a short biography describing the life of catherine gregg .
catherine mitchell gregg -lrb- august 15 , 1917 -- august 1 , 2014 -rrb- was an american philanthropist , environmentalist and historic preservationist .gregg served as the first lady of new hampshire from 1953 until 1955 during the administration of her husband , former governor hugh gregg .she was also the mother of another former governor of new hampshire and u.s. senator , judd gregg .an active philanthropist , catherine gregg led efforts to preserve and restore the wentworth-coolidge mansion in portsmouth , the last surviving , original colonial era royal governor 's residence in the united states .gregg was born catherine warner on august 15 , 1917 , to carden f. and eliza -lrb- née mitchell -rrb- warner .she graduated from connecticut college .gregg served on the wentworth-coolidge commission and is credited with the restoration of wentworth-coolidge mansion , the residency of the british royal governor of the province of new hampshire .the wentworth-coolidge mansion , located in portsmouth , is the last surviving original residence of a british royal governor in the united states .additionally , gregg served as the director of the merrimack river watershed council .she also active with the new hampshire audubon society , white mountain arts and music festival , and the robert frost homestead .politically , catherine gregg campaigned to preserve new hampshire 's status as the first state to hold a presidential primary election .her husband , former governor hugh gregg , died in 2003 .catherine gregg died at her home at the riverwoods in exeter , new hampshire , on august 1 , 2014 , at the age of 96 .she was survived by two sons , cy gregg and former u.s. senator judd gregg , five grandchildren , and seven great-grandchildren .the current governor of new hampshire , maggie hassan , ordered flags to be flown at half-staff in her honor .