Re: WatertownWilliam Chenery Family...What child died there on Set. 14, 1821
Have you contacted the Watertown Historic Society?
Perhaps they have the church records/burial records.At least you have a name and date.
Historical Society-WatertownHistorical Society-Watertown
28 Marshall Street Watertown, MA 02472-3408 - (617) 923-6067