McAuley Playground was the fourth all-inclusive playground in St. Charles County. The playground is in Hansen Park, located behind the Mercy Kids Mid Rivers pediatric care facility on Ohlmes Road. Mercy Health Care donated the land to build for the park and playground. The playground is named for Sisters of Mercy founder Catherine McAuley.

Donations came from a variety of sources, including the City of Cottleville, Mercy Foundation and St. Louis Cardinals manager Mike Matheny’s Catch 22 Foundation. Hennessey said the Cottleville Firefighters Outreach or CFO program, in particular, held many events to raise money for the playground.