In search of the Lyons family, parish Ardahan, 1850s

Dear colleagues,

I would appreciate any assistacne you might provide in my search for information on the Lyons family of parish Ardrahan, Co Galway. Dominick Lyons was a tenant farmer there in the 1840s-1850s. In the Griffiths Valuation records I have found reference to him as a co tenant with John Taylor in the townlands of Grannah. Their landlord was Burton Persse. Dominick Lyons married a Catherine Taylor and they had six daughters bewteen 1850-1863. Dominick, Catherine and five of those daughters emigrated to America in 1865 and 1866. The other daughter, Annie Ernestine Lyons, was sent to Australia about the same time. She is my great grand mother. Despite my searches in Roots Ireland I have not been able to confirm certainty of this information with (1) any  marriage record for Dominick Lyons (b 1828 abt) and Catherine Taylor (b 1830 abt) in the 1845-1852 period (2) or any birth or baptism record for Annie Ernestine (around 1850-53) or her sisters: Mary (abt 1853), Margaret (abt 1854), Bridget Agnes (abt 1857), Catherine (abt 1858) and Sabina (abt 1863).

Could anyone help me to find those marriage and birth records and inform me as to where I can access/purchase copies of the original documents?

My many thanks

David Brown, Kensington, Victoria, Australia