Margaret, Lady Hoby née Dakins (1571–1633) was an English diarist of the Elizabethan period. Hers is the oldest known diary written by a woman in English. She had a Puritan upbringing. Her diary reflects much religious observance, but little insight into the writer's private feelings.
Margaret Dakins was born before 10 February 1571 (the date of her baptism), the only child of a landed gentleman, Arthur Dakins (c.1517–1592) of Linton, East Riding, and his wife, Thomasine Gye (d. 1613).
Margaret was educated in the Puritan household of Katherine Hastings, Countess of Huntingdon, a devout Protestant with Puritan leanings who ran a school for young gentlewomen. Penelope and Dorothy Devereux, the daughters of Margaret's future father-in-law, Walter Devereux, 1st Earl of Essex, also attended the school. As an heiress Margaret was a valuable commodity on the Elizabethan marriage market. Her first husband was Walter Devereux, the younger son of Essex, and a court favourite of Queen Elizabeth I. The manor and parsonage of Hackness near Scarborough in the North Riding were purchased for the couple, and remained Margaret's property after the death of Devereux at the siege of Rouen in 1591.
Three months later, Margaret was courted unsuccessfully by Sir Thomas Posthumous Hoby, son of the translator and English ambassador to France Sir Thomas Hoby (p. 75). She married at that juncture Sir Thomas Sidney, the younger brother of Philip Sidney and Robert Sidney, but after Sidney died in 1595, she next married Hoby, on 9 August 1596. They lived at Hackness near Scarborough, but had no children. Margaret spent much of her time there in the company of a confessor, Richard Rhodes. She went around tending the sick and infirm in her own community, as well as running her household and recording detailed household accounts. The activities reported in her diary reflect profound religious beliefs.