The Barbados synagogue data found by James Greener at AJA may be found in a PDF.
The following individuals may be found in that PDF for the years indicated:
Aaron Baruch Lousada #1577 - 1796-1804
Jacob Montefiore (unknown connection) - 1796-1806
? Barrow (Baruch?) Lousada (unknown connection) - 1791-6
Eliezer Montefiore #453 - 1801-4, 1806-11, 1810-2, 1812-9, 1820--32
Joseph Barrow #238 - 1807
Moses Montefiore (unknown connection) - 1800
Abraham Lindo (unknown connection) - 1799-1812, 1812-9
David Lindo (unknown connection) - 1710-2
Moses Eliezer Montefiore (unknown connection) - 1812-22
Isaac Massiah (unknown) - ?