Hi
Frederick Gilham born 4 Oct 1834 Lauceston s pf Thomas and Mary Gilham.Baptised 8th Oct.
Father Thomas died 26 March 1875 Geelong a gardener left a Will.Age c 60 years.
His wife was Mary McCoy .. McKay?
Possible NSW 1828 census
Thomas Gilham aged 23 freeman arrived 1829? wife Mary overseer Major Rhodes Wellington Farm stone quarry
But the marriage is Lauceston 1835
Thomas Gilham and Mary Thomas McCoy.
She seems to be a Mary Thomas who had married John McCoy 31st Oct 1808.
Son Albert Gilham born 20 June 1830 Hobart ,before her second marriage.
From her first-Henry James 1812,Mary Ann 1814,Charles 1815,Ann 1817,William 1819,Thomas 1821,Rebecca 1824 ,and James Waterson McCoy 1826.
As Albert and Frederick were born before her second marriage technically they should have taken her surname MCCoy/McKay. (Husband John died 12 Feb 1834 age 60 Hobart,parents Angus MCKay and Rebecca Simpson).
1856 Electoral Roll Geelong Thomas Gillam carrier Brittania St freehold
As for Mary Jane Roberts
She seems to have arrived age 19 as a domestic servantfor Mr Baynton in Geelong ,wages £20 3 shillings.She is from Cornwall .Arrives 18 Jan 1853 on the Stebonheath from Plymouth.
Children Frederick McKay 1855,Amelia 1861,Hugh 1863,George 1864,Louisa 1867,Thomas 1869,Lola 1871 ,Albert 1874.
Not seeing an immediate set of parents for her.Her death cert gives father as Thomas Roberts.
ps baptism Mary Jane Roberts d of Thomas and Martha 18 Oct 1835 Landewednack Cornwall is the only one I can see but it's a long way from Truro.
Ciderdrinker