Kellie Harrington's family have been so blown away by her Olympic boxing success that even the family dog has been treated for shock.

The Portland Row fighter secured a place in Sunday’s Olympic lightweight final with a split decision over Sudaporn Seesondee of Thailand this morning.

Ireland’s flag bearer at the opening ceremony will now carry the nation’s hopes of a second goal medal at these games into her final bout against Beatriz Ferreira of Brazil.

Once again, Dublin’s north inner city was buzzing with 'Olympic fever’ when she entered the ring, with family and friends out in force to cheer her on, with the exception of her mother Yvonne.

"I was sitting out the back [praying] and listening to them and saying ‘Oh God, Oh God’, but it’s brilliant. I’m over the moon," she told RTÉ Sport this morning.

"The atmosphere in the house was brilliant. A neighbour knocked over at six o’clock and asked ‘could I come in?’ And I said no!

"Me nerves was that bad," she laughed. "But she came in and it was great."

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Her "very nervous" father Christy summed up the joy the family feel in Kellie’s achievements.

"We’re just so proud of her. It’s priceless. She’s a gem," he said, while holding a signed singlet gifted to Kellie for her Olympic qualification.

"It’s magnificent. We just told her that we’re all so proud of her and love her so much. What’s she done for the nation is pure madness."

However, he added that the nerves around the big fights are also taking their toll on other members of the family.

"We have to get a vet to look after the dog. Even the poor dog is in shock let alone us … I swear to God," he said.

Harrington has battled her way through three fights to get into the gold medal bout, but her brother Joe said the journey began long ago, with many bumps along the road.

Joe said: "She's just in dreamland. This is for like if she had a fight years ago and it didn’t go her way.

"All the times she sat in the kitchen crying to me da. It’s for her coaches who put endless work in, for the women on the corner.

"There’s not a lot to be happy about at the moment. Now there is. Now there’s a buzz on the road. Now the country is lifted. It’s everywhere. It’s Olympic fever. That's what this is about.

"Kellie didn’t get here three weeks ago. Kellie got here 10-12 years ago. It’s been a lifetime’s work for her and she’s getting what she deserves."