Biography.guide
Home › People › Novelist › Henry St. John Cooper
Portrait of Henry St. John Cooper

Henry St. John Cooper

English novelist

Don't just read it — keep itBiographies to ownE-book · Audio · Video From $7 →

About Henry St. John Cooper

Henry St. John Cooper was a British novelist.

Charles Henry St. John Cooper (1869 – 1926) was a prolific English novelist of school and adventure fiction. He wrote thousands of stories for several Amalgamated Press papers, sometimes under the pen name Mabel St. John. According to his son, he also wrote many "authorless" Sexton Blake stories for the Union Jack. His novel Sunny Ducrow was adapted into a 1926 film, Sunny Side Up.

Actress Gladys Cooper was his half-sister, and musician Henry Russell was his maternal grandfather.

Biography shop

Don’t just read it —
keep it.

Full-length biographies made to live with: read them, listen on the way to work, watch them tonight.

  • E-book
  • Audio
  • Video
Browse the shop — from $7

Instant download · yours to keep · every purchase keeps this site free

Important facts

Frequently asked questions

Who was Henry St. John Cooper?

English novelist

What was Henry St. John Cooper's occupation?

Henry St. John Cooper was a novelist.

What nationality was Henry St. John Cooper?

Henry St. John Cooper was British.

Sources & further reading

· Wikipedia: Henry St. John Cooper

· Wikidata: Q97636843

· DBpedia: Henry St. John Cooper

Cite this page

APA: Biography.guide. (2026). Henry St. John Cooper. https://biography.guide/henry-st-john-cooper/

MLA: "Henry St. John Cooper." Biography.guide, https://biography.guide/henry-st-john-cooper/.

Chicago: "Henry St. John Cooper." Biography.guide. https://biography.guide/henry-st-john-cooper/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

Page generated 2026-09-27 05:11 UTC