I don't think there is a name Suni and the confusion may have arisen over the original handwriting on the 1851 census.If you look carefully the Suni as indexed is Isaac.
He was called Isaac when he married
Henrietta in 1846 and in every subsequent census.
He states born Woombridge in 1851 but
Dawley after that.
Woombridge I believe was near Wrockwardine.
Henrietta
Pitchford baptised 31st December 1827
Dawley Magnaparents Timothy and Mary.(This looks the most likely)
Marriage certificate will give names of both parties.
Isaac Jones/Henrietta
PitchfordDecember qtr 1846 ref. Volume 18 page 274
obtain at
www.gro.gov.uk.