1) Tallow is the fat of an animal, especially the fat around the kidneys and liver of sheep and oxen from which suet was rendered.
1510 ylke hundredth groce of talghte, York
1619 Tarr 3 gallons ijs vjd, tallow one stone iiijs vjd, Brandsby
1642 the salve [for sheep] beinge made partly of molten tallowe, Elmswell
1654 paid to Canby for five pound of tallow to grease the waines, Stockeld. Its use in the tanning process and the manufacture of candles and soap explains its frequency in inventories and the like, especially attributively: 1567 iij caiks of talowe, Mortham
1725 sold a tallow cake [which] came out of a cow of his own ... weighed 2 stone, Wakefield. A North Riding farmer recorded the following: 1798 Mar. 23 We cut up bull this morning. He very fat. Weighed 86 stones 6lbs ... Tallow 13st 3lbs which I sold at 5/6 stone. I went with cake to Thirkleby. The word influenced the spelling of surnames such as Talbot or Tarbutt: 1660 Thomas Tallowpot, Emley
1669 George Tallopot, Thurgoland. See S&G74.