James Claude Webster was born on October 17, 1830, in London, England.
He was a lawyer, judge, and barrister. He studied law at the Middle Temple and was called to the Bar in 1854. Webster was a Fellow of the Society of Antiquaries of London and a member of its council. He served as Secretary of the Athenaeum Club, London. His article "Inns of Court" appeared in the 1911 Encyclopedia Britannica.
In 1857, he married Georgiana Susan Hardcastle Spry (1833–1882), and in 1884, he remarried Frances Juliana Hooman (1852–1938). He died on October 25, 1908, in Torquay, Devon, England.