Mary Hogarth Dickens' first child was named Mary in her memory. Hogarth was the daughter of George Hogarth (1783–1870), a music critic, cellist and composer, and Georgina Hogarth Thompson (1793–1863). She was born in Edinburgh, where her father was a legal advisor to Walter Scott, whom the young Charles Dickens greatly admired. She was the fourth of ten children, and the third daughter. Hogarth was named after her paternal grandmother. The name Mary Scott had previously been given to George and Georgina's third child, born 1817 or 1818, who was an infant when she died. Mary and her sister Catherine first met
Ian Hogarth named to Inc. magazine's 30-under-30 list in 2010; the same year, Hogarth won the British Council’s UK Young Music Entrepreneur of the Year award. He was also named as one of Forbes magazine's 2012 music 30-under-30. In 2013, Songkick launched Detour, a crowdfunding platform for concerts. In June 2015, Songkick announced its merger with direct ticket vendor CrowdSurge and a $16.6m Series C investment round. Hogarth became co-CEO of the combined company, alongside Matt Jones the former CrowdSurge CEO. In 2010, Hogarth and Songkick COO Pete Smith founded Silicon Milkroundabout, a career fair for high tech startups in East London.