Also writes under her married name Madeleine Wickham.
Her pen name, Sophie Kinsella, is a combination of her middle name and her mother's maiden name.
Sister of British novelist Gemma Townley.
Has four sons.
She and her husband, Henry Wickham, have four sons: Freddy Wickham (b.1997), Hugo Wickham (b.1999), Oscar Wickham (b.2006) and Rex William Wickham (b.2010).