The use of a phone spy is very powerful, and it's use should be taken with great care. So, with a fast paced life and busy schedule, it becomes quite tough or inappropriate to pursue your employees or even your family members or persons in close contacts. The current environment is full of suspicion and one can not afford to trust one and might want to keep each detail about them without giving them a chance to do something unfavorable.
This will depend on your contract of employment, as Paternity leave is not recognised in employment law in Ireland. In other words, employers are not obliged to grant male employees special paternity leave (either paid or unpaid) following the birth of their child.