New info - plot thickens..
Death 25 May 1864 at 36 Jurston Street (1861 Census Howells at No.29) of James Howell aged 6 (about right), son of William Howell, a costermonger, and Julia Ann either Waller or Watter, I all add a picture (Watter is MMN of the "Bedford Howells" of Frances Street Lambeth who decamped to Rotherhithe late 1850s - still piecing this one together - previously thought no relation).
James 2/Sep 1860 (3 James' Place Oakley Street) and John 18 Nov 1856 (20 PonsonbyPLace, Millbank) were both to James Howell and Eliza Howell late Dickson formerly Robinson.