Family History and Genealogy Resources by Surname
Sinden Surname Origin
A corruption of St. John, which is generally pronounced Singen.
Source: An Etymological Dictionary of Family and Christian Names With an Essay on their Derivation and Import; Arthur, William, M.A.; New York, NY: Sheldon, Blake, Bleeker & CO., 1857.
Sinden Surname Meaning and Family Facts
There is more to Sinden family history than the origin of your surname:
A Sinden Family History Thought:
'If you would not be forgotten,
As soon as you are dead and rotten,
Either write things worthy of reading,
Or do things worthy of writing.' --Benjamin Franklin, May 1738