[1][2] Her father was a leading rugby union player in the 1950s and 1960s, representing his country as a member of the All Blacks in international test matches on 55 occasions.

[2][4] Her youngest sister, Shelley Mitchell, played for the New Zealand women's basketball team in 1991 and 1992.

Wilcox played in the 1983 World Netball Championships in Singapore, where New Zealand lost to Australia in the final.

In 1985, at the World Games held in London, she switched to playing as the goal keeper (GK).

New Zealand won the gold medal, beating Australia in the final.