Mary Hogarth Charles Dickens when Mary was aged 14, on Dickens' first visit to the Hogarth household in Brompton, London. Whilst Dickens and Catherine were courting, Mary was a constant companion and chaperone to both of them. After Charles and Catherine Dickens married in 1836, Hogarth lived with them for a month in a three bedroom apartment at the Furnival's Inn in Holborn, London. From March 1837, Hogarth lived with the couple at 48 Doughty Street, where she helped her sister with household chores, as Catherine was pregnant with her first child. Hogarth was described by those who knew her as "sweet,
David George Hogarth in 1927. In 1915, during the First World War, Hogarth was commissioned with the temporary rank of lieutenant commander in the Royal Naval Volunteer Reserve and joined the Geographical Section of the Naval Intelligence Division. Professor Hogarth was appointed the acting director of the Arab Bureau, for a time during 1916 when Sir Mark Sykes went back to London. Kinahan Cornwallis was his deputy. Hogarth was close with T. E. Lawrence and worked with Lawrence to plan the . Sykes befriended Hogarth, who had described India Government as believing they had a moral imperative to the British Raj as the