Cavendish family

William Cavendish, 2nd Earl of Burlington and later 7th Duke of Devonshire, organised Kirkby's small-scale quarrying into a single larger operation from the early 1820s; the Cavendish family, trading as Holker Estates, still owns the quarry today.

Mines operated

MineRegionYears
Kirkby Slate Quarries Cumbria 1820–?

Record created: 29 August 2026 · Last researched: 29 August 2026

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