sidneySIDNEY — The Lehman Catholic Cavaliers took a 4-1 victory over the Mississinawa Valley Blackhawks on Thursday at Lehman Hh School in a Division VII DistrictSidney is a city in Shelby County, Ohio, United States, and its county seat. [4] The population was 20,421 at the 2020 census.It is approximately 36 miles (58 km) north of Dayton and 100 miles