In looking at some of the online maps, I could not locate any numbered concessions for the Cardiff area.
I had family living on Concession 6, lots 28-32 between 1885-1903. There were a number of the family who died while living there however, as of yet they don't show up anywhere in the transcriptions.
On one record of a land transfer, there was a mention of setting aside a plot of land 10x10 to be used as a cemetary and I am wondering if there is an abandoned property in that area.
I think this might be near Paudash Lake but I'm not sure.