So:
1851: Joseph & Martha Umpleby are in Yeadon with Elizabeth 23, Mary Ann 21, Edwin 18, Jane 15, Eliza 12
1851 (Sep qtr): Enos is born, presumably to one of their unmarried daughters
1853: Mary Ann Umpleby marries John Hardaker
1856: Jane Umpleby marries Robinson Child
1857: Eva Hardaker is born to John & Mary Ann
1861 (census): Joseph & Martha, now calling themselves Booth, have granddaughter Eva with them.
1861 (census): Enos is with his aunt, Jane Child.