John CARDNO was born in Fraserburgh, Aberdeenshire. He was christened on 23rd June 1845 at St Peter`s in Fraserburgh
- his parents were Alexander CARDNO (1822-1892) & Ann MURISON
- Ann was the 2nd of 3 wives of Alexander
(Alexander's 1st wife was Helen MacKIE, his 3rd was Ann SMITH, giving him a total of 15 children)

John emigrated to NSW Australia
- he married Mary Jane SMITH in Milparinka NSW, Australia 1882
- they had a son, John Sherwin Cardno in 1884 in Tibooburra, NSW
- the son married Maud Felicity Russell DUMAS in 1904
- Mary Jane died in 1884 aged 20 in Thargomindah Queensland after a tragic accident. Her clothes caught fire whilst she was cooking on an open fire. She survived for 17 days after the accident but was not attended to by a doctor only a chemist

- John remarried the following year in Tibooburra, NSW to Mary Ellen PAGE. They had 5 children:

1887 Heny Alexander Cardno
- born in Tibooburra, NSW
- he died in 1898 aged 11

1889 Mary Estella Cardon
- born in Tibooburra, NSW
- she ddied in 1965 aged 76 inBrisbane

1890 Elizabeth Emelia Cardno
- she married Victor DEARDON in 1821 in Ingham, Queensland
- nothing else known

1892 Mabel Ellen Cardno
- born in Windorah, Queensland
- she married Charles Arthur ROBERTS in 1914 in Ingham, Queensland

1893 Theodore Robert Cardno
- born Christmas Day in Windorah, Queensland
- he married Margaret Harrison Victoria HALL in 1924
- he died in 1971 aged 77

John's second wife Mary Ellen Page was only 16 when they married. She too died very young of Typhoid and the five children from this marriage were all sent to a convent to be raised by nuns

John died in 1919 at the Goodna Asylum aged 75
- Goodna asylum was originally named Woogaroo Lunatic Asylum, changed to Goodna Asylum and later to Goodna Mental Hospital, then known as Wolston Park Hospital and now exists as The Park – Centre for Mental Health.
It still has maximum and minimum facilities and pscho-geriatric units