There is this for George 30 May 1830 died:14 May 1910 from "the Cambridge University Alumni, 1261-1900"
"TRINITY, June 12, 1851. S. of William [and Mary, dau. of George Whitelocke, of Fortoiseau, France]. B. [May 30, 1830], in London.
"Assumed by Royal licence the additional name of Whitelocke, 1880." So his baptism may be just in the name of George Lloyd.