I have just found your posting about the Uden family. As far as I can tell, my GGG Grandfather is Charles Uden, b 1797, the brother of your ancestor Thomas Uden b 1803, both sons of Thomas Uden b 1757.
My Great Great Grandfather is Charles Uden's son, William Alfred Youden, b 1818, and my great grandmother is his daughter Clara Youden.
I am not 100% certain that William Alfred is Charles son, due to the corruption of the surname. I cannot find Charles and William on the same census record and the earliest BMD record I have for William is his marriage record, where his name is spelt Youden.
My dad's middle name is Youden so I am pretty certain the name changed with William, as I am certain William is Clara's father!
If you have any further info on this I'd love to hear from you.