On January 31, 1834, in Muckalee, Iverk, Co. Kilkenny, William Nowlan (1800-1873) married Ann Tynan (1814-???).
William hailed from Castlewarren, Co. Kilkenny, and Ann from Gillinstwon, Co. Meath.
Sponsors for their marriage were Pat Nowlan and Margaret Ryan.

William was born in Coalmarks, Castlewarren, KIK, in 1800. His parents were Michael Nolan (1775-1853) and Catherine Hoban (1780-1853) who married in St. John’s, KIK, on February 25, 1800.

According to the information found at the FamilySearch.org website William was named after his grandfather.
(see https://www.familysearch.org/en/tree/pedigree/landscape/G62Z-FWJ )

William and Ann’s children, several of whom emigrated to Australia, were:

1. Michael Nolan
2. Daniel Nolan (1837–1906)
3. Kyran Nolan (1839–1919)
4. Thomas Nolan (1841–1887)
5. Catherine Nolan (1843–???)
6. Martin Nolan (1845–???)

See https://www.familysearch.org/en/tree/pedigree/descendancy/G62Z-FWJ ).