He was born on 12 September 1860 in Jassy, Romania, the son of Henry Adrian Churchill (1828–1886), an archaeological explorer and British diplomat.
Three of his four brothers, Sidney John Alexander (1860–1924), William Algernon (1865–1947), and George Percy (1876–1973) were also diplomats.
[5] He was in attendance on the Special Envoy sent by the Shah of Persia on the occasion of Queen Victoria’s Diamond Jubilee in 1887.
[2] He was then Consul in Teheran (1891),[6] Vice-Consul in Trieste (1899),[7] Lisbon in 1905,[2] then Consul-General in Le Havre (1907–1923),[8] and Genoa (1923)[9] where he died in office aged 64.
[10] His correspondence with Lord Hardinge, first secretary at Tehran and later Viceroy of India, is held in the University of Cambridge Library.