That year she successfully defended her Canadian championship and won the U.S. Women's Amateur, the North and South Women's Amateur and earned silver medal honors as a member of the Canadian team at the 1978 Espirito Santo Trophy.
•
In 1979, Sherk turned professional and joined the LPGA Tour where she finished the season in third place for Rookie-of-the-Year honors behind Beth Daniel.
Cathy Dennis | Cathy Scott | Cathy King | Cathy Tyson | Cathy Rigby | Cathy Jean and the Roommates | Cathy Garcia-Molina | Cathy Davidson | Cathy Davey | Cathy Song | Cathy's Clown | Cathy Rush | Cathy Peattie | Cathy O'Dowd | Cathy McMorris Rodgers | Cathy Lomax | Cathy Jamieson | Cathy Guisewite | Cathy Come Home | Cathy Cahlin Ryan | Cathy Areu | S. Truett Cathy | ''Fetish Girl'' by Cathy Lomax 2003 (based on Thora Birch | Cathy Zoi | Cathy Wilkes | Cathy's Clown (You Am I song) | Cathy Schulman | Cathy's Child | Cathy Rogers | Cathy O'Brien |