Trinity sat south of Port Maria in the lush interior of Saint Mary Parish, one of several plantations owned by Zachary Bayly that together formed an estate known as Bayly's Vale. Bayly, who died in 1769, also controlled the Tryall, Brimmer Hall, and Roslyn plantations, a contiguous domain of four to five thousand acres blanketing the river valleys of northeastern Jamaica. Among the earliest recorded owners was Isaac Gale, who died in 1748, but it was the Bayly family who shaped Trinity into a major sugar operation. After Zachary's death, the estate passed through a web of family connections: to his nephew Bryan Edwards, a politician and historian of the West Indies; to his brother Nathaniel Bayly; and to Nathaniel's son Charles. The plantation eventually landed with Job Mathew Raikes, who had married into the family through Charlotte Bayly, Nathaniel's daughter.

Sugar refining demanded enormous quantities of water, and Trinity's location at the confluence of the Port Maria Western River (now called the Otram River) and the Negro River gave it a natural advantage. But natural advantage was not enough. In 1797, Nathaniel Bayly completed a mile-long aqueduct from the Port Maria Western River to the plantation's works, an engineering feat that the artist James Hakewill later captured in a watercolor showing the channel running centrally through the estate, with Brimmer Hall's buildings visible in the background. Hakewill, who toured Jamaica in 1820 and 1821, recorded that the area's plantations produced between 1,000 and 1,100 hogsheads of sugar annually, with a peak of 1,450 in 1815. Trinity's output was not limited to sugar and rum; the estate also produced molasses, logwood for dyes, and raised cattle.

The article's brief mention of what happened in 1760 belies its significance. Enslaved people from Trinity launched a rebellion that swelled to over 400 participants before troops dispatched by the Governor suppressed it. Jamaica in the mid-eighteenth century was a tinderbox. Enslaved Africans outnumbered free colonists roughly ten to one, and the brutality of sugar production, the grueling harvest schedule, the dangerous boiling houses, the unrelenting forced labor, created conditions that made resistance inevitable. The Trinity rebellion was part of a broader pattern of uprisings across Jamaica during this period, each one a reminder that the system of enslavement maintained itself through violence and could be challenged by the same. The people who rose up at Trinity risked everything. That their uprising was ultimately crushed does not diminish what it took to begin it.

When the Slavery Abolition Act passed in 1833, Trinity held 212 enslaved people. The compensation paid to Raikes's executors in 1837 tells a story the legislation itself tried to obscure: the British government spent twenty million pounds compensating enslavers, not the enslaved. Trinity limped on as an agricultural operation for another four decades. By 1874, when it came up for auction in London by order of the Court of the Commissioners for Sale of Incumbered Estates in the West Indies, the estate had shrunk to 816 acres, only 227 of them under cultivation. The sale listing catalogued 111 animals (mostly steers), multiple buildings, and machinery, the inventory of a plantation whose economic logic had disappeared with the people it once forced to work. Today a settlement named Trinity still exists. Bailey's Vale Road, Brimmer Vale High School, and the nearby settlement of Tryall carry the geography of the old estate into the present, long after the sugar and the suffering have receded into the soil.