And this looks like your man in 1901: same street as in 1891
1901: Gainsborough All Saints, Lincolnshire
REF: RG13 - 3113 / F 37 / Pg13
ADDRESS: 5 Ashforth Square
Head: George Wm DUNDERDALE 21, General Labourer, b Gainsborough Lincs
Wife: Sarah A DUNDERDALE 21, b Gainsborough Lincs
Son: John Hy DUNDERDALE 7 mths,
Visitor Boarder: John Wm JARNELL 19, unm, Oil Drillers? Labourer, b Gainsborough Lincs
Looks like he is with his sister:
MARRIAGE : Gainsborough Dec Qtr 1899 - 71, pg 1585
Sarah Anne JARNELL
George William DUNDERDALE
And father William JARNELL died:
DEATH: Sep Qtr 1898 - William JARNELL age 43, 7a, pg 475 Gainsborough
1901: Gainsborough All Saints, Lincolnshire
REF: RG13 - 3113 / F36 / Pg11
ADDRESS: 4 Ashforth Sq
Head: Sarah JARNELL 41, Widow, Charwoman, b Barrow on Humber, Linc
Son: George JARNELL 14, b Gainsbrough Lincs
Cheers
AMBLY