Lewis Williams was listed in the Jamaican Quit Rent books for 1754 as the owner of 1460 acres of land in Westmoreland and 720 acres of land in St Elizabeth, total 2180 acres.
Seagrove and Williams were listed in the Jamaican Quit Rent books for 1754 as the owners of 400 acres of land in St Andrew and 275 acres of land in St George, total 675 acres. Williams and Blagrove were listed in the same source as the owners of 2955 acres of land in St Ann. The individuals in these partnerships have not been identified. Seagrove may be Samuel Seagrave (q.v.). Blagrove may be John Blagrove the elder or Thomas Blagrove (both q.v.). There are 13 different individuals with the surname Williams listed in the Jamaican Quit Rent books for 1754.
"A List of landholders in the Island of Jamaica together with the number of acres each person possessed taken from the quit rent books in the year 1754", TNA CO 142/31 transcribed at http://www.jamaicanfamilysearch.com/Samples2/1754lead.htm
The dates listed below have different categories as denoted by the letters in the brackets following each date. Here is a key to explain those letter codes:
1752 [EA] - 1752 [LA] → Owner