From the marriage of Revd John Booth and Elizabeth Sanderson in 1700, their second son William Booth, born 1703, married Alice Green on 25 July 1729 at Ulceby and they would have eight children comprising six boys and two girls. It would be their first son Richard Booth, born 22 July 1730, who would be Sir Felix Booth's first cousin once removed. Richard married Ann Hill in 1753 at Irby-upon-Humber near Caistor and took up residence in the village of Caistor. Richard and Ann had nine children comprising six sons and three daughters and their last born son Samuel Booth, born 1773, married Ann Wastnedge in 1799 and had a son named Felix Booth, born 1805. Richard Booth died in 1800 aged 70. It was reported in "The Gentleman's Magazine" in 1840 that "the late Richard Booth's daughter Miss Elizabeth Booth of Caistor Lincolnshire died on 22nd April 1840 in her 82nd year. She was a cousin to Sir Felix Booth".