Mickleys is an unincorporated community in Whitehall Township in Lehigh County, Pennsylvania. The village was named after the family of John Jacob Mickley (1697–1769) who settled here in 1745. It is located along Pennsylvania Route 145, MacArthur Road. St. John's United Church of Christ, built in 1849, was originally known as the South Whitehall Church, commonly called Mickley's Church, and was a Union Church with both Reformed and Lutheran congregations. (1794–1888), great-grandson of John Jacob, was an elder and on the building committee.