marion patrick jones (16 august 1930 – 2 march 2016) was a trinidadian novelist. she wrote about library science and social anthropology. she was also known by the names marion glean and marion o'callaghan (her married name). she was the author of two notable novels: "pan beat", first published in 1973, and "j’ouvert morning" (1976). she was born in port of spain.