Although Arthur Underhill was a notable legal scholar during his own lifetime, he is primarily known today as the father of one of Britain's most well-known and revered spiritual figures of the twentieth century,
Evelyn Underhill. Evelyn’s biographers have suggested that Underhill had a ‘distant and cool’ relationship with his daughter in her early life. Margaret Cropper suggested that ‘Sir Arthur Underhill really discovered his daughter in her late teens, and became aware then of her good brain and penetrating ability.’ Despite this early distance, Cropper noted that family life was ‘secure and affectionate’ and that ‘Evelyn remained through their whole lives very much at her parents' call and very sure of their value.’ His daughter shared her father's interest in the law. Unlike his famous daughter, however, Underhill was not religiously observant. While it appears that Underhill exerted little influence on his daughter’s interest in religion, his autobiography reveals he was a convinced
Deist, and argued against the sufficiency of science to produce a satisfying view of life. Underhill provided a number of educational privileges to Evelyn, including travelling with his daughter to mainland Europe in 1890. The trip, which Evelyn repeated through her early adulthood, enabled her to discover a kind of religious life and worship that was unknown to her in England. She later recalled that the profoundly moving European art that she encountered in her travels provided rich material for her works of fiction. ==Authored legal work==