None of the 42 people had permission to be in the country.
The Justice Minister says 42 Brazilians have been deported from the country since June.
In a post on social media, Jim O'Callaghan says it includes 15 people serving prison sentences.
He added that none of the 42 people had permission to be here.
He said the deportations took place on commercial flights.

Families Could Face €1,000 Rise In Annual Food Bills Amid Farming Crisis
Over Half of Cigarette Packs Surveyed In Newbridge And Naas Had No Irish Duty Paid
Celbridge Brewery CEO Warns Of Mounting Costs Facing Craft Beer Sector
Amhrán na Laoch Songwriting Competition Confirmed for Irish Music Month 2026
Government Announces Major Overhaul of Anti-Money Laundering Rules
Maynooth University Hosts Special Solar Eclipse Event This Evening
Johnstown Mother Says Today's Solar Eclipse Means Something Extra Special For Her And Her Son
Three Men Detained In Kildare And Dublin Garda Stations Following Brothel Keeping And Organised Prostitution Arrests