Emergency services were called to the scene in Knockarasser near Moycullen, Co Galway at approximately 3pm.
Independent.ie has learned that Teresa McDonagh, 64, went to check on animals owned by a close relative around lunchtime on Sunday when she was attacked by two massive Bull Mastiffs.
Gardaí are at the scene and a full investigation is underway.
A post-mortem (autopsy) is due to take place over the coming days.
A spokeswoman confirmed: "Gardai are investigating the circumstances surrounding the death of a woman in Galway this afternoon."
One local said: "The woman was very well known and respected. This is a terrible tragedy for the area."
Fr Martin Moran, parish priest of the neighboring parish of Killannin, said the tragic incident caused deep shock.
Fr Moran is assisting in the parish of Moycullen during the weekend absence of its parish priest Canon Michael McLoughlin.
"It's a terrible tragedy," said Fr Moran.
"It is indeed a terrible shock for the community," he said.
What makes it even more tragic is that her husband is currently in the hospital after he suffered a fall earlier. Their son Brendan had been in a serious motorcycle crash in 2015 while in Thailand.
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