Hi Gadget
Thanks that would be great:
For years the only definate information we had was the 1881 Welsh Census found by using his wife’s name - Norah Williams (yes, sorry he is another William Williams –please don’t throw your hands up and run away in horror, I am determined to find my GGrandfather).
Details of 1881 Wales Census are as follows:-
Civil Parish Rumney
address : Greenway Fach
Born
William Williams Head 56 (61?) Market Gardener Worcester
Norah " Wife 46 (32) Gardeners Wife Devon, Torrington
John Ford Stepson 12 Scholar " "
Harry F Son 8 " Glamorgan Cardiff
David F Son 6 " " "
Eliz F Dau 4 " Monmouth Rumney
Frances F Dau 2 " "
Norah F Dau 3 months " "
---------------------------------------------
Later additions to the family:
George F Son dob 20.02.1884 Rumney (my grandfather)
William --- Son dob 17.10.1885 Rumney
* * * * * * * * *
Age of William Williams (WW) is suspect as I have his death certificate in 1894 at age 74 which makes his dob to be around 1820.
Norah’s birth cert shows dob 13.12.1848 so her age on Census is wrong
(The possibly more accurate ages in brackets)
(Norah’s first husband - John Ford were shown married, on the 1771 Census in Torrington, Devon, so I assume they moved to S. Wales shortly after.)
We know this is definitely the right WW because all his children except the last were given the middle name ‘Ford.’ Also family history told that Norah’s previous husband – John Ford, was WW’s best friend and was killed on the railways - the latter information being verified by John Ford’s death certificate in June 1872.
1. We have never been able to find the marriage certificate for WW and Norah.
2.We have not been able to establish WW on any census prior to this date – or after.
3. Many hours research at Worcester has not definitely established the birth date/place.
4. WW is shown on some of his childrens birth certificates as 'William Charles Williams'. His profession changed from Watchman (1873) Labourer (1875) Gardener (1876-9) Market gardener (1881-85)
If you are still with me, thank you and please read on …. 
The link to a WW that I think is the same man is the 1871 Welsh Census showing a WW born 1815 Whitchurch, married to an Ann, living on
Augustus Street, St Mary, Cardiff a Labourer.
I researched this man further: 1841, 51,61,71,Censuses; Some show his occupation in earlier years was Gardener.
Now Norah and WW’s first child was born in August 1873, at
5 Augustus Street, so WW would have been around 58years old.
This WW is also shown in the 1881 census still living with wife Ann about 3 miles away (but both places very close to the railway so easy access).
The important questions are: 1.Was it possible for a man to start another family in his late fifties?
I know birth dates on Censuses were often ‘adjusted’ if the wife was a lot younger and Norah’s were wrong in this case.
2.Could he have been with his original wife and have a second family?
3.Am I putting too much emphasis on the Whitchurch WW being a gardener? Much has been said in the family of being ‘many generation of gardeners.’
4. Did WW come from Wales or Worcester?Sorry its a bit long winded - lots of info.
I am grateful for any help offered.
Thanks
Sue