John Kells Ingram such as the Book of Kells. Ingram died in 1907 in his house, 38 Upper Mount Street, Dublin, where he had lived since 1884, and was buried in Mount Jerome Cemetery. Ingram married Margaret Johnston Clark on 23 July 1862 at Maghera Church, County Londonderry. They had five children: Ingram's influence on economics was described by economist Richard Theodore Ely as: John Kells Ingram John Kells Ingram (7 July 1823 – 1 May 1907) was an economist and poet who started his career as a mathematician. He has been co-credited, along with John William Stubbs, with introducing the geometric concept
Book of Kells followed by their "Breves causae". This anomalous order mirrors that found in the Book of Durrow, although in the latter instance, the misplaced sections appear at the very end of the manuscript rather than as part of a continuous preliminary. In other insular manuscripts, such as the Lindisfarne Gospels, the Book of Armagh, and the Echternach Gospels, each Gospel is treated as a separate work and has its preliminaries immediately preceding it. The slavish repetition in Kells of the order of the "Breves causae" and "Argumenta" found in Durrow led scholar T. K. Abbott to the conclusion that the scribe