from Genealogical and Biographical Memorials of the Reading, Howell, Yerkes by Josiah Granville Leach
Reading Howell (Daniel4, Captain Daniel3, Daniel2, Thomas1) was born in Amwell township, Hunterdon county, New Jersey, in 1743, and died in Warminster, Bucks county, Pennsylvania, 26 November, 1827.
He was an eminent civil engineer, and was led to enter such profession by the example of his distinguished granduncle Governor John Reading. In the early part of the Revolution he served as quartermaster of the second regiment, Hunterdon county militia. During the war he removed to Pennsylvania, and, 5 April, 1780, was commissioned deputy-quartermaster-general of the Continental army, and stationed for duty in Chester county, Pennsylvania.
In 1789 the assembly of that State adopted measures for improving the navigation of rivers and for the construction and improvement of public roads, and the supreme executive council appointed commissioners to carry out these objects. On 2 October, 1789, Reading Howell was appointed a commissioner to explore, survey, and make necessary drafts of the rivers Delaware and Lehigh....
Mr. Howell's most important achievement, and that for which he is best known, is his map of Pennsylvania....
Mr. Howell was appointed surveyor of Philadelphia in 1804...
He married, 28 March, 1782, Catharine, daughter of Herman Yerkes by his wife Mary Stroud. She died before 30 June, 1821, on which day her heirs conveyed land of which she died seized.
Children of Reading and Catharine (Yerkes) Howell:
Clarissa Julianna Howell, died at Philadelphia, 1874, unmarried.
Harriet Ann Howell, died 8 February, 1842; married Joseph Montgomery.
Henrietta Maria Howell, died 26 May, 1858; married John James Wheeler.
Courtland Daniel Howell, married Eliza McEuen.
John Fisher Howell, died unmarried.
Edward Yerkes Howell, died at Philadelphia, 13 March, 1850, unmarried. He was graduated at Princeton, 1813; studied medicine, and in 1822 was graduated M.D. at the University of Pennsylvania.
Rebecca Howell, died at Philadelphia, September, 1881, unmarried.
Catharine Augusta Howell, married General Thomas Flourney, of Augusta, Georgia.