Mr. and Mrs. Edward T. Kowalski Jr. of Cheektowaga celebrated their 50th wedding anniversary with a gathering of family and friends in Sheraton Four Points Hotel, Cheektowaga. A trip to Europe is planned. Kowalski and Margaret J. Lillie were married April 23, 1955, in St. Joseph's Church, London, England. He is retired from the Erie County Highway Department. The couple has two children and four grandchildren.