The two main family names that I am researching are MACKAY/MCKAY and NICHOLSON.
William MACKAY married Marian SUTHERLAND c1790 and three of their children were Donald James born 7-7-1801 (see below), Elspet born 6-2-1795, both at Golspie and Alexandrina born 7-2-1813 at Rogart. There would probably have been other children that I have not yet found.
Donald NICHOLSON married Mary MACDOUGALL and at some stage were at Culag, Assynt, Scotland. Their daughter Margaret NICHOLSON married Donald James MACKAY in 1823. Margaret died at Rogart, Sutherland in 1869.
Donald James MACKAY/MCKAY was a blacksmith and married Margaret NICHOLSON in Assynt, Scotland in 1823.
Their children were:
Christy MACKAY born 1824 marr. Gavan FOULIE in 1856 at Kildonan,Scotland
Jean MACKAY born 1827
Donald MACKAY born 1829 marr.Janet CAMPBEL(Jessie) in 1856, Rogart
Mary MACKAY born 1831 marr.Alexander PORTER in 1856, Rogart,Suth.
Merran MACKAY born 1833 marr. Donald GRANT in 1857 at Clyne,Scotland.
George Levison Gower MACKAY born C1835 marr.Elizabeth HARDIE in 1858, Old Meldrum.
Elizabeth MACKAY born 1837 and died in 1839.
Williamina MACKAY born 1839 marr. Alexander INGRAM in 1859, Rogart
John MACKAY born 1841 marr. Mary MURRAY IN 1877 at Rogart, Suth.
James Norman Nicholson MACKAY born 1843 in Dornoch, Sutherland ( see below )
Hector Gunn MACKAY born 1845
Malcolm MACKAY born 1847
James Norman Nicholson MACKAY/MCKAY, a blacksmith, born 1843 came to Australia and married Margaret MCKEON in Ipswich, Queensland in 1872.
James and Margaret's children as follows:
Norman Vincent MACKAY married Annie Maria THOMPSON
Catherine MACKAY married sylvester LEWIS
Hector John MACKAY born in Calvert, Queensland married in 1902 at Tallegalla, Queensland to Ellen COLLINGWOOD.
Hector John MACKAY born 1916 in Calvert, Queensland married to Josephine LAWLOR.
Looking forward to hearing from you re any links you may find to our ancestors and any descendants of their siblings.