Mar 1854: "Contest" arr. Port Phillip Bay, Victoria, Australia
St Kilda, Victoria, Australia
Husband: Thomas Fairbairn
Wife: Margaret Grant
Caroline marr. Myers
Annie marr. Cairncross
Jessie marr. McPherson
Margaret marr. Smith
"At St Kilda, NSW (sic) in Oct 1856, Thomas FAIRBAIRN, farmer, Pentland Hills, 3rd son of Andrew FAIRBAIRN, Primside, Roxburghshire to Margaret GRANT, second dtr of Lachland GRANT, Broadmeadow" 
NB Trove (31 Oct 1856) shows:
At St. Kilda, by the Rev. Wm. Miller, Thomas Fairbairn, Farmer, Pentland Hills, third son of Andrew Fairbairn, Primside, Roxburgshire, Scotland, to Margaret Grant, second daughter of Lachlaine Grant, Broadmeadows.
↑ Source [[#S1]: Birth 7 Mar Bap. 2 Apr 1826 Thomas s/o Andrew FAIRBAIRN (hind, Ferneyhill, Ednam) and Margaret HUNTER, Ednam, ROX 788/0020 0008
↑ Source #S2: Dth 1899 Thomas FAIRBAIRN, s/o Andrew & Margaret FAIRBARN, aged 74, reg. Maidstone, VIC, 10177
↑ Source #S3: "Australian Intimations in Hawick Advertiser", compiled by Marjorie GAVIN, published in Issue #54
It may be possible to confirm family relationships with Thomas by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Thomas: