He came from England to the Maryland colony in 1668 at the age of 21. He had attended Cambridge University. His transportation, along with 11 others, was paid for by Thomas Trueman, Esq.
He settled on the Brandywine Creek which was south of the Patuxent River and near the village that he named after his hometown, Nottingham. He married Martha Trueman at the age of 32. His estate was named Magookin which was near Baden, Maryland and became quite wealthy with his large tracts of land, slaves and tenants.
He was often in the House of Burgessess which was the first assembly of elected representatives of English colonists in North America. He also was the first High Sheriff of Prince George's County.
Here lies the body of Col. Thomas Greenfield, late one of his Majesties Honourable Councell of Maryland, who died the 8th of September Anno 1715 in the 67th year of his age.