Taina Tukuafu was born and raised in Hawai'i, first playing rugby at Kahuku High School in Oahu, before making her way to the mainland to play scrumhalf with the Lions at Lindenwood University while earning a degree in Business Management. Alongside a few of her USA teammates, Tukuafu would go on to win a D1 Elite National Championships with the Lions and earn Collegiate All American Honors.
Coming from a ruby family, Tukuafu was invited to the USA Sevens Youth Olympic Game camp in 2018, first buzzing the USA Eagles radar. Playing across the U18, U20 and U23 programs on her way to the Women's Eagles camp in July 2023 for the Pacific Four Series. Taina would even earn a start at scrumhalf in her debut against Australia.