Daughter of John Pew of Hilltown, Kirkudbrightshire. Married William Copland of Colliston, Dumfries; widowed, 1808. Married Sir William Drysdale (1781–1847), for many years treasurer of the city of Edinburgh. Mother of John James Drysdale, a leading homeopathic doctor. Mother-in-law of the hydropathic specialist Edward Wickstead Lane.
Sources: Emma Darwin (1904), 2: 184 Modern English biography s.v. Drysdale, John James. (See the bibliography for full references to sources)