The siblings were among the medallists at the WKO British Titami Championship in Rotherham and Limerick was ranked ninth in the top 10 fighters out of 700 fighters.
Proud mum Natalie said: “Limerick took three golds, two silvers and a bronze in teams. She won a gold and British title in girls points, and a gold and British title in girls light continuous.
“She also won the gold and British title in her first box light/boxing category.
“Lilly-Anne took a silver medal in girls points and also a bronze medal in teams mixed 9-12 years with team-mate Ruby Miller.”
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Team-mate Miller, who fought in the team event under the name of ‘Diverse Champions’ with Limerick and Lilly-Anne, said: “It was great to be able to fight in the team event with them as ‘Diverse Champions’.
“It shows everyone that nothing can stop them from doing what they love.
“I’m so proud of everything they’re achieving and being able to fight alongside them was great.
“I’m excited to fight as a team with them again at the next competition.”
The Goodwin sisters’ head coach Kris Crump said: “I’m inspired by them and I look forward to many more years of classes and competitions and to see what the future holds for them both.”