You can also connect to

Linkedin is a social Media website for Professional People.
It does not list Argentinian phonenumbers like historic Whitepages
but profiles of individual people.

Connected to Linkedin you can send messages
to people from Ireland you found.

As of 2020 August 2.228.000 people from Ireland
are connected to Linkedin.

2016 Linkedin was acquired by Microsoft.

As of 2020 august 2.200.000 people from Ireland
are connected to Linkedin (45% of the entire population).

More on the history of Microsoft
on the Brand Portal