'Hesther Harbour, the daughter of John Harbour & Jaell his wiffe was borne 3 mo 9th, 1663.'
Starting about 1655, Braintree records start to change from a predominantly day, month, year format to a predominantly month, day, year format. This particular record comes immediately before one for '1 mo. 21, 1663' - clearly a month, day, year format.
