John Murphy born Knocknanoran, Durrow, 1869

Hi

I am trying to help a friend in Australia find the birth registration of his grandfather John Murphy. He has a marriage certificate for John in Brisbane in 1903 which records him as John Robert Murphy, age 30 years, born Durrow, Queens County, Ireland, father Richard Murphy, Land Steward, mother Maria Prier.

I have found a birth registration for a John Murphy born 16 June 1869, Knocknanoran, Durrow, father Richard Murphy, Steward, mother Maria Honnor. 

Differences in recorded age often occur but the name given for mother as Maria Prier rather than Maria Honnor is difficult to understand.

We have purchased the marriage registration for Richard Murphy and Maria Honnor and she was a spinster at time of marriage.

I thought looking at Durrow Parish Registers for Church of Ireland might help but in "John Grenhams link" it says they are In NAI. Does that mean you have to visit there in person to view? I live in England.

Any other advice or suggestions would be appreciated.

Thank you

Jenny H