# William Sidney Cooper artist context and auction value notes

Canonical page: https://appraisily.com/artist/william-sidney-cooper/
Profile generated: 2026-05-29T21:00:32.366Z
Quality: high confidence, strong sources

## Artist identity

- Nationality: British
- Movements: Victorian landscape painting
- Common media: watercolour, oil painting

## About William Sidney Cooper

William Sidney Cooper (1854–1927) was a British painter celebrated for his watercolour landscapes of the Kent countryside, particularly the pastures and farm animals around Herne Bay. Active from the early 1870s through the 1920s, Cooper spent much of his career based in London while drawing artistic inspiration from rural southeastern England. His work captures the pastoral character of late Victorian and Edwardian Britain with a focus on cattle, sheep, and rolling farmland rendered in soft, naturalistic tones. Cooper is documented in major reference works including Bénézit's Dictionnaire critique, Johnson and Greutzner's Dictionary of British Artists, and the Witt Library Checklist. His paintings appear regularly at auction and are held in both private and institutional collections.

## Common works and media

Watercolour landscape paintings of the Kent countryside, particularly scenes around Herne Bay, are Cooper's most commonly encountered works at auction. Typical subjects include cattle and sheep in pastoral settings, rural farmsteads, and seasonal countryside views. Occasional oil paintings on canvas also appear, though watercolour is his primary documented medium. Works are generally modestly scaled and often signed and dated within his 1870–1923 active period.

## Market and appraisal context

Cooper's works come to auction most often as watercolour landscapes featuring pastoral subjects—grazing cattle, sheep, and Kent countryside views. Oil paintings by him are less frequently encountered. Appraisal should consider medium, subject, size, date, condition (especially foxing or fading in watercolours), provenance, and gallery or exhibition labels. Comparable auction results from major houses provide useful benchmarks. The absence of a published catalogue raisonné means attribution should be supported by stylistic analysis and reference to documented works in Bénézit or the Witt Library archives.

## Appraisily data basis

This artist page combines identity research from Getty ULAN, VIAF, Wikidata, and the RKD Netherlands Institute for Art History with auction records and comparable lot data from the Appraisily and Invaluable databases. Biographical references include Bénézit, Johnson/Greutzner, and the Witt Checklist. Sale dates, realized prices, and market context are drawn from public auction records where available.

## Sources

- Wikidata: https://www.wikidata.org/wiki/Q8018428
- Wikipedia: https://en.wikipedia.org/wiki/William_Sidney_Cooper
- Getty Vocabulary Program: https://vocab.getty.edu/page/ulan/500031054
- VIAF: https://viaf.org/viaf/95873016/
- RKD - Netherlands Institute for Art History: https://rkd.nl/en/explore/artists/18174