For the surname: CHALLENOR

Full Name	Suburb	State	Year
John CHALLENOR	Toowoomba, formerly of Quilpie	Queensland	2003
Leslie CHALLENOR	East Lismore, formerly of Glen Innes	Western Australia	2001
Muriel CHALLENOR	Bayview	Western Australia	1994
Ray CHALLENOR	Lawson, formerly of Port Macquarie	Western Australia	1993
Richard CHALLENOR	Crows Nest	Western Australia	1993
Robert CHALLENOR	Cammeray and Suva, Fiji	Western Australia	2003
Robert CHALLENOR		Queensland	2000
Ronald CHALLENOR	Auburn	Western Australia	2002
Sydney CHALLENOR	Punchbowl	Western Australia	1974
Una CHALLENOR	Lane Cove	Western Australia	2003
William CHALLENOR	Cronulla	Western Australia	1982
Bernice CHALLENOR	Goonellabah, formerly of Glen Innes	Western Australia	2003
Beryl CHALLENOR	at Hervey Bay Hospital, Hervey Bay, formerly of Charleville and Quilpie and Jondaryan and Gayndah	Queensland	2003
Dorothy CHALLENOR		Western Australia	2006
Ellen CHALLENOR		Queensland	2003
Esther CHALLENOR	at Killara Gardens Nursing Home, Pymble, formerly of Bathurst	Western Australia	2003
Francis CHALLENOR	Tumbi Umbi, formerly of Beacon Hill	Western Australia	2003
Hazel CHALLENOR	Figtree	Western Australia	2003
Ivy CHALLENOR	Redcliffe	Queensland	2005
John CHALLENOR	Gladesville	Western Australia	1982
Bertie CHALLENOR	Figtree, formerly of Londonderry	Western Australia	1994
Violet CHALLENOR	Crows Nest	Western Australia	1994
Norman CHALLENOR		South Australia	2006
30am CHALLENOR		Western Australia	2006
Jim CHALLENOR	Brisbane		0
Thomas CHALLENOR	Brisbane		0

About 25,000. The Australian Bureau of Statistics estimates that in 2007 there were 24,000 people with the surname CHALLENOR in Australia, making it the 9,724th most common surname. CHALLENOR is the 9,724th most common surname in Australia. Question: What is the probability that two people with the same surname in Australia will have the same first name? Answer: The probability is less than 1 in a million. There are approximately