Historical reference: Do not rely on this information. It is very old. About this collection
Ainsworth, Robert, born near Manchester, 1660. He realised a competency by keeping a school first at Bolton, subsequently in the neighbourhood of London, and the latter part of his life was devoted to the compilation of Ainsworth's Dictionary, a book that for nearly a century held its own in schools and colleges, though full of serious imperfections. He died in 1743.