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6 Apr 1766 birth of Mary Beeth,
daughter of John Beeth and Henrietta Glass

Church of Scotland, Campbeltown, Argyllshire, Parish register for 1766

The word after Henrietta's surname appears to be "alcochill".  Perhaps a variation of Ceann Loch Chille Chiarain, the Gaelic name for Campbeltown (Wikipedia)?

Source: Scotland's People 507/00 0030 0117