I found an interesting article which has a few family names connected to Charles Neillie.
The Charleroi Mail Charleroi, Pennsylvania July 13, 1937
Mr. and Mrs. Elmer Neillie and Mrs. Charles Neillie returned to Cleveland, Ohio Saturday after visiting here for several days with Mrs. Neillie's sisters, Mrs. Thomas Meikie(Melkie?) and Mrs. John Robson. Miss Elinor Mae Caldwell returned with them to spend a month's vacation with her aunt, Mrs. Charles Neillie.
The Charleroi Mail Charleroi, Pennsylvania September 8, 1938
Thomas Caldwell, Howard Robson, Frank Thompson and Emile Governor were among the local persons who attended the National Air Races at Cleveland this past week end. They also visited with Mr. and Mrs. Charles Neillie and Mr. and Mrs. Elmer Neillie, relatives of both Mr. Caldwell and Mr. Robson.