Mary Carroll & Arthur William Searle

Seeking any info on Arthur William Searle & Sarah O'Dowd.Arthur William was my g-g-grandfather.

On 21 Nov 1861 at St Mary's Cathedral, Sydney, NSW, Arthur William married Mary Carroll b.1842 in Kings County, Ireland.They had 5 children: Esther, Sarah, Mary, Arthur & Thomas John (my g-grandfather).

Any info on any of the family lines would be appreciated.Have info to share.