Abbot of Thornton-upon-Humber, in Lincolnshire, was immured in 1443. In 1722, an old wall being taken down, his remains were found with a candlestick, table, and book. Stukeley mentions the fact. In 1845 another instance of the same kind was discovered at Temple Bruer, in Lin colnshire.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894