The player from the Wee County bought their winning Quick Pick ticket online on Friday, October 17.
Successfully matching all six numbers, the player came away with an impressive €7,129,505.
The winning numbers were 6, 13, 14, 27, 35 and 44, with the Bonus number 47.
The online winner also becomes the eighth Lotto jackpot winner of 2025, joining a line-up from Dublin, Kerry, Limerick, Kilkenny, Mayo, Waterford, and now twice from Louth.
Emma Monaghan, spokesperson for the National Lottery, said: “What a win for Co. Louth. A huge congratulations to our latest Lotto jackpot winner who has just scored an incredible €7,129,505.”
This is the second time the jackpot has been won in Louth this year Pic: Stock image
News in 90 Seconds – October 19
She added: “In total, over 90,000 players won prizes in the Lotto & Lotto Plus draws. We’re now urging all of our players to check their National Lottery accounts today to see if they’re our latest big winner.”
The National Lottery said it has sent a notification and email to the online player, and has asked them to respond by calling 1800 666 222 or to write to claims@lottery.ie to arrange the collection of their prize.
The previous winner from Louth claimed a jackpot prize of €4,642,646 in January when a Centra store on the Platin Road in Drogheda sold the winning ticket.
More than €6.5bn has been raised for charity since the National Lottery was established 37 years ago. In 2024 alone, €239.3m was raised for local causes in the areas of sport, youth, health, welfare, education, arts, heritage and the Irish language in communities across Ireland.