It was founded as a house for Premonstratensian canons around 1175, by Agnes, widow of Herbert de Orreby.
[1] The priory was a dependency of Welbeck Abbey and named in honour of Saint Thomas the Martyr.
[1] It achieved its independence and abbey status in 1250,[2] and appears from surviving records to have been well run.
[1] Hagby Abbey was suppressed in 1536,[2] its last abbot being Edmund Toft.
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