It has been found that a study of Census returns provides a useful structure on which to base the search for records of births, marriages and deaths. The earliest useful Census is that for 1841.
In the 1851 Census, an Elizabeth Murphy, 18 years old, is recorded as being a House Servant in the household of a John Orr, a merchant, and his family in Steeple Street, Kilbarchan. The marriage record of John and Elizabeth confirms the date and place of marriage. In the 1861 Census are John and Elizabeth with five children at Church Street, Kilbarchan, Renfrew. All were born in Kilbarchan except the mother, Elizabeth, who was born in County Antrim, N. Ireland. In the 1871 Census John and Elizabeth appear, with five children, at Steeple Square, Kilbarchan, Renfrew. Three of the children appearing in the 1861 Census are not there, but there are three others. John is recorded as being a Wool Weaver. They appear in the 1881 Census, with four children, at Cartside Road, Kilbarchan. In the 1891 Census John no longer appears. Elizabeth is there, with four children, still at Cartside Road, Kilbarchan. John’s death record indicates that he died on 16th August 1889 aged 60, and that his parents were John Cameron (deceased) Handloom Weaver, and that his mother, also deceased, had a maiden surname of Mitchell. (The ages of John and Elizabeth are reasonably consistent throughout these Censuses, except that Elizabeth must have been 22, not 18, in 1851. But the enumerators employed at that time sometimes estimated ages.)
John and Elizabeth had twelve children in all, of whom eight survived less than 18 years (four of them less than 5 years). My grandfather, Duncan, was the tenth child of this family, and only one other, Robert, married. Ann survived unmarried at least to age 33, and probably did not marry at all.