This may or may not be related but it is interesting.
My g-g-g-grandfather was James Beckett from County Antrim. My info has him born in 1762 and married to Margaret Kyle also of Antrim.They had two daughters before they sailed in about 1788 to USA, probably Charleston, SC.At any rate they ended up in Charleston and then traveled to Winnsboro, SC and had several children including my g-g-grandmother, Eliza.She married Robert Waddell of County Donegal origin in Columbia, SC in 1828/29.
All are buried in the Presbyterian Church Cemetery in Columbia.
My reason for responding is on the possibility that your James Beckett could be related in some way to mine.
What do you know of the Becketts of County Antrim?