Well folks, it's been a long while but I have received almost all of the certificates and have put this (below) together. Thanks to everyone for your help. Sorry it's so long. I hope the format makes sense. Please note that I have indicated which information was gleaned from certificates. Amendments welcome.
Sophia Berridge/Wilfred Harry Kirkup Berridge
1867: Sophia born in Catworth, Huntingdonshire (no certificate).
Father: Edward Berridge aged 34 years (Agricultural labourer).
Mother: Anne Berridge aged 40 years (Lace maker).
1871 Census:
Sophia aged 4 years.
Father: Edward Berridge aged 34 years (Agricultural labourer).
Mother: Anne Berridge aged 40 years (Lace maker).
Siblings:
James aged 14 years (Farmer’s boy).
Sarah aged 10 (Lace maker).
John aged 7 years (Scholar).
1881 Census:
Sophia aged 14 years (Lace maker).
Father: Edward Berridge aged 45 years (Agricultural labourer).
Mother: Anne Berridge aged 50 years (Lace maker).
Siblings:
James aged 24 years (Agricultural labourer).
Sarah aged 20 years (Lace maker).
John aged 17 years (Shoemaker).
Thomas aged 8 years (Scholar).
Also resident: Annie aged 4 months (Granddaughter).
2 July 1889:
Wilfred Harry Kirkup Berridge born in Catworth (certificate).
Mother: Sophia Berridge (Lace maker).
Birth certificate has nothing written for name and occupation of father. This would confirm that Wilfred Harry was illegitimate.
1891 Census:
Edward Berridge aged 54 years (Agricultural labourer).
Ann Berridge aged 60 years (Lace maker).
Annie Blunt aged 10 years (Granddaughter; Scholar).
Wilfred Harry aged 1 year (Grandson).
1891 Census:
Address: 62 Darenth Road, Hackney, London.
Charles Miller aged 26 years (Stock broker’s clerk).
Stanley Miller aged 8 years (Scholar).
Sophia Berridge aged 26 years (General servant. Domestic).
1899: Sophia marries Jesse Millard (certificate not sighted).
1901 Census:
Address: 16 Cyprus, Twywell, Northamptonshire.
Jesse Millard aged 31 years (Brickyard labourer).
Sophia Millard aged 34 years (No occupation recorder).
1901 Census:
Edward Berridge aged 65 years (Agricultural labourer).
Ann Berridge aged 70 years (No occupation recorded).
Wilfred aged 11 years (Grandson; Agricultural labourer).
4 August 1907: Marriage of Wilfred Harry Berridge (aged 18 years) and Emma Wills (aged 19 years) (certificate).
Location: The Parish Church (Established Church) by Banns.
In the presence of: Walter Berridge and Mary Lizzie Cadwell.
Wilfred: Occupation: Labourer.
Residence: Catworth.
Father’s name and Surname: Not entered. Certificate simply says Single.
Father’s rank or profession: No entry.
Emma: Occupation: None registered.
Residence: Catworth.
Father’s name and surname: William Wills.
Father’s rank or profession: Labourer.
17 November 1907:
Birth of Wilfred Walter Berridge at Catworth, Huntingdonshire (certificate).
Father’s name: Wilfred Harry Berridge.
Father’s rank or profession: Farm labourer.
Mother’s name and maiden surname: Emma Berridge formerly Wills
Date registered: 4 January 1908.
1911 Census:
Jesse Millard aged 40 years.
Occupation: Gardener in Nurseryman industry.
Sophia Millard aged 45 years.
Occupation: Domestic work.
Years married: 11 years.
Children: None.
1911 Census:
Boarders in the house of Harry Boddington.
Walter Berridge aged 23 years (provider).
Occupation: Farm labourer.
Emma Berridge aged 23 years.
Occupation: None recorded.
Wilfred Walter Berridge aged 2 years.
31 July 1912: Emigration to Australia.
Ship: “Norseman” (The Aberdeen Line).
Departure port: London (bound for Brisbane).
Port passengers contracted to land: Melbourne.
Arrival in Melbourne: November, on the Indrapura.
Mr. Wilfred Berridge aged 23 years.
Occupation: Farm labourer.
Mrs. Emma Berridge aged 24 years.
Occupation: Housewife.
Wilfred Berridge aged 4 years.
January 1921: Millard arrival in Australia.
Mr. J Millard aged 50 years.
Mrs. S. Millard aged 53 years (recording error on age).
Ship: “Ormonde”.
Arrival port: Melbourne.
20 August 1927: Death of Sophia Millard (certificate).
Home address: Boundary Road, Bentleigh.
Place of death: Albert Ward, Alfred Hospital, Melbourne.
Age: 60 years.
Cause of death: Cerebral haemorrhage; respiratory failure.
Duration of last illness: 3 days.
Father: Edward Berridge.
Occupation: Labourer.
Mother: Anne Berridge; maiden name unknown.
Burial: 22 August at Cheltenham Cemetery, Melbourne.
Where born: Catworth, Huntingdonshire.
Years in the colony: 6.
Years married: 32.
Issue: None.
31 July 1960: Death of Wilfred Harry Berridge (certificate).
Home address: 9 Montague Street, Moonee Ponds, Melbourne.
Place of death: 9 Montague Street, Moonee Ponds, Melbourne.
Age: 71 years.
Occupation: Watchman and cleaner.
Cause of death and duration of illness: Coronary occlusion (1 hour).
Arteriosclerosis (3 years).
Influenza, acute bronchitis (7 days).
Diabetes mellitus (2 years).
Father: Unknown Berridge.
Mother: Sophia Berridge; maiden name unknown.
Burial: Cremated at Fawkner Crematorium, Melbourne.