Hi,
Maybe this will interest you, from Australia.
Jane Witherow was my 3rd g grandmother, who married Robert Ramsay. Their daughter, Jane (1830) married John Irwin in 1855 at Bovevagh Presbyterian, Derry.
Jane & John had 3 sons who came to Qld, Australia in the 1880's, Joseph (1864) (my G grandfather), James(1859) and John Witherow Irwin(1871). (The name Witherow was used as second names at least 3 times here). Joseph was a carpenter and the other two were policemen.
On 17th April 1895, James married his 1st cousin, Rebecca Ramsay at the residence of Joseph P Witheron ("n" being likely a transcription error, it is "W" on the marriage Certificate), Flinders Street, Townsville, Qld.
In my searches on Joseph Witherow I found he had married Annie Reid, certificate No. 1893/C1806. Children born in Australia were Alexander (1894), George Reid (1896) & John Edward (1898). There are no deaths in the Index for any of them.
I was interested when I read the comments from aghadowey, that they had moved back to Ireland.
All the best, Ian