hi Miftynat,
on this site it has:
ALEXANDER FAGAN (born 1820 in Ireland)
* 1849- Convicted in Glasgow of theft and forgery
- Sentence 14 years transportation
* 17 May 1851, arrived West Australia per "Mermaid"
* 1854-1871, Storeman at Toodyay and Victoria Plains
* 1873-1876, Storeman at Albany
* died in 1903

Alexander married on 6 May 1855 at York, W.A. to:
MARY CARROLL (born 1820 in County Kerry, Ireland)

their children:
* ANNE MARIA FAGAN
- born 1855 in Perth
* JAMES AUGUSTUS FAGAN
- born 1857 in TOODYAY
- died 1905 in TOODYAY
* JOSEPH FAGAN Born 1862 in ALBANY
- died 1926 in PLANTAGENET
* GEORGE FAGAN
- born 1867 in NORTHAM
* CATHERINE (ELLEN) FAGAN
- born 1870 W.A.

sorry, meant Niftynat,

the convict transport MERMAID arrived in W.A. in 1851 with 208 convicts & 91 pensioner guards and their families

on the Convict List is:
ALEXANDER FEGAN (aka Fagan)
Occupation: stonemason
Single or Married: Single
Age: 31
Height: 5' 8?"
Hair: dark brown
Eyes: blue
Face: long
Complexion: fresh
Reg No: 317
Distinguishing Marks: 4th finger left hand broken; scar on left cheek; scar on both legs
Trial Place: Glasgow
Year: 1849
Criminal Offence: Theft & Forgery
Term: 14 years

from The Perth Gazette and West Australian Times, Friday 11 May 1866
... In the Supreme Court, In Insolvency
In the matter of Alexander Fagan, of Toodyay District, Stonemason.
NOTICE is hereby given, that His Honor, the Chief Justice, has placed the Estate and Effects of the above Insolvent, under sequestration in the hands of the Official Assignee, by order of the 5th Instant, and has been pleased to appoint a first, and only meeting of Creditors, to be held at the Court House, Perth, on the 6th day of June next, at ten o'clock forenoon, for proof of debts against the said Estate; and as it appears to His Honor that the goods and effects of the said Insolvent, available for payment of his debts, are under ?50, unless it be shown at such Meeting, that the said goods and effects exceed the value of ?50, His Honor will summarily proceed to rank the debts proved at such Meeting, according to preference, and direct the proceeds of the said Estate to be forthwith distributed by the said Official Assignee.
Dated Perth, the 8th of May, 1866. A. H. STONE, Official Assignee

Thankyou very much that is awesome. This confirms that he is my great great great grandfather. Hopefully I can now find who his ancestors were. Your awesome.

I haven't seen that site before that's great