Emma Amy Lobb appears to have married James Watts in 1899 in Kensington Registration District
1901 Census
308 Ladbrooke Grove, Kensington
James Watts, Head, 40, Driller in Iron Works, born Kensington
Emma Amy Watts, Wife, born Bethnal Green
Henrietta Watts (as listed), sister in law, 30, born Bishopsgate
It's quite possible that sister in law Henrietta is Henrietta Ingarfill as the ages are so far out, if you check the 1911 index you will find it is the correct James and Emma Amy.
Notting Hill Christ Church
12 May 1901
Helena May Watts (born 12 April 1901) baptised to James and Emma Amy, 398 (as written) Ladbrooke Grove, Gas Fitter
23 Nov 1902
Edith Watts (born 29 Oct 1902) baptised to James and Emma Amy, 308 Ladbrooke Grove, Gas Fitter
Ladbrooke Grove St Michael & All Angels
25 Feb 1906
Walter James Watts baptised to James and Emma Amy, 308 Ladbrooke Grove, Gas Fitter