There are no other place names associated with venerated springs in Lincolnshire,[2] although other Holy Wells exist such as those near the site of Sempringham Priory and nearby Ryhall.

The 1885 Kelly's Directory notes that Holywell with Aunby consists of 2,300 acres (9.3 km2) with chief agricultural of barley and wheat, and an 1881 population of 63, and that "a medicinal spring rises here from where the place takes its name".

Holywell Hall, a mansion in "well-wooded park", was then the seat of Charles Thomas Samuel Birch-Reynardson DL, lord of the manor, and sole landowner.

A restoration of 1863-64 included the replacement of a previous flat roof with one of open timber, with the church interior re-fitted in oak, "effected under the superintendence of rector Rev J B Reynardson".

The church in Holywell Hall grounds was moved in 1699 from a site east of the Castle Bytham road 'between the bridge and the mill' where it had been subject to frequent flooding.

[4] It incorporates material from the destroyed church of Aunby, including two Norman piers that support the tower, a Decorated doorway and a window glazed with Perpendicular style glass.

[5] Pevsner adds that St Wilfrid's church stands south of Holywell Hall as one of its garden ornaments, has an east window with a mosaic of small fragments from the 15th to 19th centuries, and a paten and chalice dated 1662.

[6][11] South-west of the house, against a lake, is a Grade II* listed fishing temple with pedimented Roman Doric portico and rusticated windows.