Patsy before looking in other counties,you really need to check.Tipperary or Kilkenny Thoroughly.There were Definately Armstrong family in Tipperary

 

Like this one

 

Bridget Armstrong Pedigree
  Female    
   

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Event(s):
 Birth:  19 DEC 1871   Holycross, Tipperary, Ireland
 
 Christening: 
 Death: 
 Burial: 
   

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Parents:
  Father:  James Armstrong  Family
  Mother:  Catherine Kennedy

 

And also Callaghans,Try Writing to the Parish Churches.On the Borders Of Tip and Kilkenny.

As i feel you are going in the Wrong Direction

 

Mike