found: Her The red house in the suburbs, 1893:t.p. (Mrs. Robert O'Reilly)
found: Mansellv. 432, p. 412-413 (Hdg.: O'Reilly, Eleanor Grace; usage: Mrs. Robert O'Reilly)
found: Her Doll world, 1872:t.p. (Mrs. Robert O'Reilly, author of Daisy's companions, Deborah's drawer, etc.)
found: MWA/NAIP files(hdg.: O'Reilly, Robert, Mrs.; usage: Mrs. Robert O'Reilly; Mrs. O'Reilly; author of Daisy's companions; author of Deborah's drawer; author of Grandmamma's nest)
found: AbeBooks.com usage, 17 October 2014(predominantly Mrs. Robert O'Reilly on title page)
found: An Electronic Version of A Guide to Irish Fiction 1650-1900, accessed online 1 June 2016(Eleanor Grace O'Reilly (also known as Mrs Robert O'Reilly), fl. 1868; writer of stories and religious fiction for juveniles and a novelist; she was Irish, according to the publisher Edmund Downey; some of her stories are set in Sussex, where she probably lived for some of her life; she published 22 works of fiction, mostly for children, none of which has Irish content)
found: The Bouquet, culled from Marylebone gardens. First collection, from June 1851 to January 1852:t.p. (Kingcups); no. XLIV, January 1855 (p. viii (Misses Knatchbull ... Kingcups) p. ix (Miss Knatchbull and Miss Eleanor Knatchbull)
found: Debrett's baronetage of England, 1840:p. 329 (under Knatchbull, of Mersham Hatch, Kent: daughters of Norton-Joseph Knatchbull and Mary Watts-Russell: Mary-Louisa, born 1834, and Eleanor-Grace, born 1835)
found: The Times (London, England), 22 Apr. 1913:deaths (O'Reilly, Eleanor Grace; on 20th April, aged 78; widow of Robert John O'Reilly of Millcastle, West Meath)
found: Various internet sources, 1 June 2016(Eleanor Grace Knatchbull married Robert John O'Reilly on 29 August 1857)