Thomas Ellerker was an English Jesuit.

Ellerker was born at Hart

Hart, County Durham

Hart is a village and civil parish in the borough of Hartlepool and the ceremonial county of County Durham, in England. It is situated to the north west of central Hartlepool.- History :...

, near Hartlepool

Hartlepool

Hartlepool is a town and port in North East England.It was founded in the 7th century AD, around the Northumbrian monastery of Hartlepool Abbey. The village grew during the Middle Ages and developed a harbour which served as the official port of the County Palatine of Durham. A railway link from...

, County Durham, on 21 September 1738, entered the Society of Jesus

Society of Jesus

The Society of Jesus is a Catholic male religious order that follows the teachings of the Catholic Church. The members are called Jesuits, and are also known colloquially as "God's Army" and as "The Company," these being references to founder Ignatius of Loyola's military background and a...

 in 1755, and in due course became a professed father. When the order was suppressed in 1773 he accompanied his fellow Jesuits to Liège

Liège

Liège is a major city and municipality of Belgium located in the province of Liège, of which it is the economic capital, in Wallonia, the French-speaking region of Belgium....

, and thence emigrated with the community in 1794 to Stonyhurst, Lancashire, where he died on 1 May 1795.

Ellerker, who is described by Dr. Oliver as 'one of the ablest professors of theology that the English province ever produced,' was the author of: 1. 'Tractatus Theologicus de Jure et Justitiâ,' 1767, 4to, pp. 248. In the library at Stonyhurst. 2. 'Tractatus de Incarnatione.'