He was the eldest son of Dr. John Scott, a physician at
Boulogne-sur-Seine, France; his mother Alicia Murray was daughter of George St. Vincent Thomas Nelson Murray, and granddaughter of
George Murray RN. Dr Scott moved to Chandos Street,
Cavendish Square, London in 1861. He attended
Richard Seymour-Conway, 4th Marquess of Hertford in his final illness, and was a friend of
Sir Richard Wallace, 1st Baronet, the Marquess's illegitimate son. John Scott entered
Lincoln's Inn in 1866, and was
called to the bar in 1869. He became Wallace's private secretary in 1871. Scott's younger brother Edward Maude Scott (1850–1917) began a career in 1869 as a civil servant with the Post Office He studied at
Gloucester Theological College, and was ordained deacon in 1874, and priest in 1875. In 1877 he was appointed Rector of Orford Church, in the living of Sudbourne-cum-Orford,
Suffolk. ==Heir to Sir Richard and Lady Wallace==