[1][2][3] She worked professionally as president and accounting executive of Marion Crecco Associates, an advertising agency in her residence of Bloomfield.
In addition, she served on the Assembly Budget, Consumer Affairs, and Transportation Committees and was the New Jersey State Director of the National Order of Women Legislators.
[2] In 1988, Crecco proposed legislation in the Assembly to require schools to teach abstinence as the only reliable means of preventing the spread of AIDS, stating that without this approach "we are allowing our children to play Russian roulette".
[10] Following the 2001 apportionment which moved her residence of Bloomfield to the western Newark-centered 28th Legislative District, she ran for the New Jersey Senate in 2001 against incumbent Democrat Ronald Rice.
[6] Following her loss, she became the chair of the John I. Crecco Foundation, a non-profit organization named for her husband, which raises money for various local hospitals.