McCarthy Patrick owns and runs the Cornerstone Grill Cafe in Carney's Point with her husband Luke, and works as an EMT for Inspira Health. After 27 years as a firefighter and emergency medical technician, she retired from Pennsville Fire and Rescue, where she currently remains a life member.

Previously, she served on the Mannington Township board of education from 2018 to 2021; and the Salem County Chamber of Commerce board of directors from 2017 to 2018.

Born and raised in Pennsville, McCarthy Patrick lives in Mannington.