Assassins
Shay Cormac

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His name is Shay Patrick Cormac (born 1731). He was a member of the Colonial Brotherhood of Assassins and later a Master Templar of the Colonial Rite, active during the mid-to-late 18th century. He is an ancestor of the 21st century Assassin Javier Mondragón.
Born to Irish immigrants in New York City, he lost his parents at an early age and was brought into the Colonial Brotherhood by his childhood friend Liam O'Brien, where the two served under the Mentor Achilles Davenport.
In 1752, he became the captain of his own sloop-of-war, the Morrigan, and was tasked with the retrieval of two Isu artifacts from the Templars: a Precursor box and the Voynich manuscript. He was successful in his mission, which allowed the Assassins to learn the locations of several Isu temples. Sent to investigate one such site in Lisbon, he inadvertently triggered a massive earthquake when he removed the temple's artifact, leaving thousands dead or homeless.