 On 18 February 1642, Ulick Burke and the monks were involved in the rescue of about 40 Protestant refugees of the 1641 uprising, including the family of Dr. John Maxwell, the Protestant bishop of Killala.The refugees were being led from the town of Shrule when the Catholic soldiers comprising their escort massacred them.It's not reliably known how many were killed, but one estimate placed the number of victims at 65.