Background
Boydell was born in Hawarden, Flintshire, the fourth child of a farmer, Samuel Boydell (1727–1783), and his wife Ann, née Turner (1725–1764).
Boydell was born in Hawarden, Flintshire, the fourth child of a farmer, Samuel Boydell (1727–1783), and his wife Ann, née Turner (1725–1764).
In 1766, at the age of 14, he moved to London to begin his seven-year apprenticeship to Samuel"s brother, John Boydell. While an apprentice, he learned painting from Benjamin West and mezzotint engraving from Richard Earlom. After completing his apprenticeship, he continued to work closely with John Boydell, making some engravings himself and drawing scenes for others
He also exhibited at the Royal Academy between 1772 and 1779.
One of his major early tasks was to draw the picture collection of Sir Robert Walpole at Houghton Hall, Norfolk prior to the export of the pictures to Catherine the Great of Russia. Boydell worked on this project with Joseph and George Farington.
While in Norfolk, he met and (on 6 December 1774) married Jane North, the daughter of Sir Roger North. Josiah and Jane had several children.
One son, John North Boydell, was later involved in the family"s publishing company.