1861 census Middlesex St Marylebone Rectory District St Marylebone Workhouse Sarah Syred age 69 Birth abt 1792 - Woodbridge, Suffolk, England Unmarried needlewomen Wonder if this could be your Sarah?
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William Walker Glasgow Pattison Northumberland Pallent Suffolk
Caroline Syred, the daughter of Herbert Syred, got married in 1859 in St. Mary's Church in the Marylebone District! Your census find is the first indication I have of other possible members of the family being in that area.
On Caroline's marriage certificate Herbert's occupation is given as Servant (does not say he is deceased) but his wife Hannah shows up in Dorking in 1861 as a widow. So apparently Herbert died between 1859 and 1861 - although I've not found a death record.
thanks again. I've now got a couple of additional avenues of research.