 Later Gill joined the Peace Pledge Union and supported the British branch of the Fellowship of Reconciliation.In 1904, Gill married Ethel Hester Moore (1878–1961), with whom he had three daughters and an adopted son.In 1907, he moved with his family to "Sopers", a house in the village of Ditchling in Sussex, which would later become the centre of an artists' community inspired by Gill.