He was the son of a John Jaggard, a citizen of London and a barber-surgeon by profession; the elder Jaggard was already deceased when his son began an eight-year apprenticeship with printer Henry Denham at Michaelmas (29 September) 1584.
William Jaggard printed a wide variety of common materials, including ballads - one example being Adam Bell, Clym of the Clough, and William of Cloudesle (1610) [REF].