- ‘Protestant Safety compatible with the Remission of the Civil Disabilities of Roman Catholics; being a Vindication of the Security suggested by the Right Hon. R. Wilmot-Horton for the Settlement of the Roman Catholic Question,’ &c., London, 1829, 8vo.
- ‘Correspondence upon some points connected with the Roman Catholic Question between the Right Hon. R. Wilmot-Horton, M.P., and the Right Rev. P. A. Baines; with an Appendix … and a Dedication to the Members of both Houses of Parliament, by the Right Hon. R. W. Horton,’ London, 1829, 8vo.
- ‘The Causes and Remedies of Pauperism in the United Kingdom considered. Part i. Being a Defence of … the Emigration Committee against the Charges of Mr. Sadler,’ London, 1829, 8vo. No more published.
- ‘An Inquiry into the Causes and Remedies of Pauperism. First series containing Correspondence with C. Poulett Thomson. Second series containing Correspondence with M. Duchatel. Third series containing Letters to Sir Francis Burdett … upon Pauperism in Ireland. Fourth series. Explanation of Mr. Wilmot-Horton's Bill, in a Letter and Queries addressed to N. W. Senior … with his Answers,’ &c., London, 1830, 8vo, 4 parts.
- ‘First Letter to the Freeholders of the County of York on Negro Slavery: being an Inquiry into the Claims of the West Indians for equitable Compensation,’ London, 1830, 8vo.
- ‘Second Letter to the Freeholders of the County of York on Negro Slavery,’ &c., London, 1830, 8vo.
- ‘Correspondence between the Right Hon. R. Wilmot-Horton and a select Class of the Members of the London Mechanics' Institution,’ London, 1830, 8vo.
- ‘Lecture I (–II) delivered at the London Mechanics' Institution … December 1830 … on Statistics and Political Economy, as affecting the … Labouring Classes,’ London, 1831, 8vo, 2 parts.
- ‘Letters on Colonial Policy, particularly as applicable to Ceylon,’ by Philalethes, Colombo, 1833, 8vo.
- ‘Exposition and Defence of Earl Bathurst's Administration of the Affairs of Canada, when Colonial Secretary, during the years 1822–7 inclusive,’ London, 1838, 8vo.
- ‘The Object and Effect of the Oath in the Roman Catholic Relief Bill considered; with Observations on the Doctrines of certain Irish Authorities with respect to Tithes, and on a Policy of a Concordat with the See of Rome. With an Appendix,’ London, 1838, 8vo.
- ‘Reform in 1839 and Reform in 1831,’ London, 1839, 8vo.
- ‘Letters [signed Philalethes] containing Observations on Colonial Policy, originally printed in Ceylon in 1832. By … Sir R. Wilmot-Horton. To which is added the Prospectus of the British Colonial Bank and Loan Company,’ London, 1839, 8vo.
- ‘Ireland and Canada; supported by local evidence,’ London, 1839, 8vo.
- ‘Correspondence between … Sir Robert Wilmot-Horton, Bart., and J. B. Robinson, Esq., Chief Justice of Upper Canada, upon the subject of the pamphlet lately published, entitled “Ireland and Canada,”’ London, 1839, 8vo.
- ‘Observations upon Taxation as affecting the Operative and Labouring Classes, made at the Crown and Anchor on the evening of the 6th of August, 1839. To which is added a Letter to Joseph Hume, Esq., M.P.,’ London, 1840, 8vo.
of Protestant Securities,’ London, 1828, 8vo. This letter is prefixed to the 2nd edition of ‘Protestant Securities suggested,’ &c.
[Gent. Mag. 1834 pt. ii. pp. 431–2, 661, 1841 pt. ii. pp. 90–1; Ann. Reg. 1841, App. to Chron. p. 204; Burke's Peerage, &c., 1888, pp. 1474–5; Foster's Baronetage, 1881, p. 662; Alumni Oxonienses, iv. 1580; Notes and Queries, 7th ser. viii. 188, 231, 396; Haydn's Book of Dignities, 1851; Official Return of Members of Parl. pt. ii. pp. 277, 291, 306; Bibl. Bodl. Cat.; Advocates' Libr. Cat.; Brit. Mus. Cat.]
HORTON, THOMAS (d. 1649), regicide, was originally a servant and falconer to Sir Arthur Haslerig [q. v.] He joined the army of Sir Thomas Fairfax, and by May 1643 had become a colonel. On 24 June of that year the parliament resolved that he be recommended to Lord Inchiquin ‘to have the command which Sir William Ogle formerly had in Ireland’ (Commons' Journals, iii. 143). Horton afterwards ably seconded Cromwell's operations in South Wales. At the close of April 1648 he despatched a force to take Brecknock, while he engaged Colonel Powell near Carmarthen. Powell, however, slipped away without much loss. A defeat which he inflicted on Colonel John Poyer's forces was also indecisive. After many ‘tedious, hungry, and wet marches over the steep and craggy mountains,’ he again came up with the enemy, who were now almost eight thousand strong, on the morning of 8 May between St. Fagans and Peterstown, where after a ‘sharp dispute’ for nearly two hours, he totally routed them, pursued them for seven miles, and took three thousand prisoners, including Major-general Stradling. His own forces numbered barely three thousand (letter to the parliament). Tenby Castle, long held by Powell, surrendered to him on 31 May. Parliament ordered a thanksgiving to be observed for the victory, and passed an act settling the lands belonging to Major-general Rowland Langhorne and other loyal-
