Hobson was born on 10 November 1941 to Charles Hobson, a fitter at Neasden Power station till 1945. Then a Labour Party politician and Member of Parliament who was made a life peer in 1964 as Baron Hobson, and his wife Doris Mary Hobson (née Spink).[1][2] She studied at Newnham College, Cambridge, graduating with Bachelor of Arts (BA) and Doctor of Philosophy (PhD) degrees: as per tradition, her BA was promoted to a Master of Arts (MA Cantab) degree.[1][3] Her doctoral thesis, which she submitted in 1969, was titled "The concept of 'illusion' in French XVIIIth century aesthetic theory".[4]
In 1966, Hobson made a brief tour of parts of Afghanistan (Badahkshan, Pactia) in the company of the author John Griffiths and the orientalist Jill Butterworth. In 1968, Hobson married Michel Jeanneret.[1] Jeanneret is a Swiss scholar of French literature.[8] Together they had one son.[1]
Hobson, Marian (1982). The Object of Art: The Theory of Illusion in Eighteenth-Century France. Cambridge: Cambridge University Press. ISBN978-0521243506.
Diderot (2000). Marian Hobson; Simon Harvey (eds.). Lettre sur les aveugles à l'usage de ceux qui voient : lettre sur les sourds et muets à l'usage de ceux qui entendent et qui parlent (in French). Paris: Flammarion. ISBN978-2080710819.
Derrida, Jacques (2003). The problem of Genesis in Husserl's philosophy. Translated by Marian Hobson. Chicago: University of Chicago Press. ISBN978-0226143156.
Marian Hobson, ed. (2014). Denis Diderot 'Rameau's Nephew' - 'Le Neveu de Rameau': A Multi-Media Bilingual Edition (1st ed.). Cambridge: Open Book Publishers. ISBN978-1783740086.