Hi again, just received your post as I was getting ready to send this.
That is great to hear your news about
John MCVEY and Janet MURRAY having a son John MCVEY.
I didn't find that on the IGI.
And that is the correct Hector Thomson who married Janet.
A puzzle solved. Thank you so much for your help.
With that info I should be able to check the SP's records to confirm the IGI data.
Now I only have to find out who Hector's father's parents were.
I thought I had tracked them and his family down but I was told by a descendant of the family that I was researching, that the George I found had died a year after he was born.

At least I had gained some knowledge of searching records, so I figure it wasn't a complete waste.
here is info that I posted on the Larnarkshire thread.
As you can see, it seems that they were a bit nomadic, going by the fact the children being born in different towns/villages.
That is if my findings are correct.
George Thomson (b-abt-1798) married Catherine Cochrane.
Catherine was c-29 JUL 1798 at Lochwinnoch, Renfrew
I believe Catherine's parents were, Hector Cochrane and Katherine McLean
From the IGI records I have found the following information.
George and Catherine married on 16 May 1822 in Lochwinnoch, Renfrew.
As far as I can tell, they had the following children;
1.William Thomson -c-29Jun 1823 in Lochwinnoch, Renfrew
2.
Hector Cochrane Thomson -c-21 Nov 1824 in Lochwinnoch, Renfrew
3. George Thomson -b- 18 Sept 1829 in Old Kilpatrick, Dunbarton and c-04 OCT 1829 - Old Kilpatrick, Dunbarton
4. Margaret Thomson -b- 5 July 1831 Barony, Lanark
5. Catherine Thomson -b-15 Dec 1833 Barony, Lanark
As I mentioned to Nell, I found a family with some of the same names in the 1841 census but they are living with a Samuel and Margaret Thomson.
It doesn't say if they are the parents or not.
As I mentioned to Nell, I was wondering if perhaps George and Catherine died and the children were taken in by their uncle and aunt?

So far I can't find them in the 1851 census.
I know that Hector married Janet in 1844 and they came to Canada in 1848.
I haven't found any info that Hector's siblings stayed in Scotland or perhaps they also migrated at a later date.
I am going to do a search on the 1851 census again, with luck, I can locate them and then I will try a search on ScotlandsPeople.
Thanks again for your help,
it is very much appreciated.
Tony