American Acorns1851 census, Liverpool, Islington (HO 107/2185, folio 542, p. 17): Thomas Green, wine and spirit dealer, and his wife Ann, 45, born Poulton, with William Clarkson, 19, entered as "Step Son."
Image · dated March 1851 · source: The National Archives (UK), HO 107/2185, via Ancestry.
How it is shown: Complete page as supplied; no crop, no retouch, no search highlight.
Keep in mind: The relationship word Step Son is the household's own statement (Confirmed as written). The link between Ann Green (1851-1887) and Nancy (Banton) Clarkson is Likely, not Confirmed (folder identity ruling). William is 19 here, though the 1830 baptism implies 21. A UK census image, treated like the pre-1931 public census pages.