Yes Thomas Clarke's father was a veterinary surgeon as this newspaper article shows. After the death of Thomas Clarke in 1860, the land that had been owned by him went up for auction. I enclose the newspaper article from British Newspaper Archive.
Stamford Mercury - Friday 31 August 1860
WEST ASHBY, near HORNCASTLE VALUABLE FREE HOLD ESTATE To be SOLD BY AUCTION, By Mr. LONGSTAFF At the New Inn in Horncastle, on Saturday the 1st September, 1860, at Five o'clock in the Evening, in the following or such other lots as may be agreed upon at the time of sale, and subject to such conditions as will be then and there produced, THE following very valuable Freehold ESTATE, situate in West Ashby aforesaid, consisting of— Lot 1. ALL that Messuage or Tenement, called Poplar-place, and the Stables, Coach-house, and other Out buildings, and the Yard and Garden adjoining the same, containing OA 3R. 10P. (more or less) wT;. 0 3 10.
Also all that Close of Land adjoining thereto and occupied therewith, containing by recent survey 3A. 0R. 10P., bounded on the north by lot 5 and lands of William Glazier respectively, on the east by lands of the Devisees of the late Michael Croft, 0n the south by lot 2, and on the west by the road leading from Horncastle to Hemingby, late in the occupation of Thomas Clarke, deceased. 3 0 10
Lot 1 is especially worthy the attention of Veterinary-Surgeons, an extensive and lucrative business of a veterinary-surgeon having been established and carried thereon by the late owner and his father for upwards or 50 years. Possession will be given at Lady-day next—The whole or part of the purchase-money may remain on approved security.—For further particulars apply to Mr. Clarke, of West Ashby, who will show the property; Mr. Scholey, of West Ashby, farmer; Mr. Dear, of Wispington, farmer; or at my Office. FRED. W. TWEED, Solicitor, Horncastle, 13th August, 1860. Homcastle
Tom
