Mina dilahirkan pada tanggal 24 Maret 1997 di [[San Antonio]], [[Texas]],<ref name="Name"/><ref name="elitedaily1">{{cite web|last=Vacco-Bolaños|first=Jessica|url=https://www.elitedaily.com/p/who-is-twices-mina-5-things-you-need-to-know-19261743|title=Who Is TWICE's Mina? 5 Things You Need To Know|website=Elite Daily|date=23 Oktober 2019|access-date=30 November 2019}}</ref> dan tumbuh dewasa di [[Kobe]], [[Prefektur Hyōgo]], Jepang.<ref name=pt1>{{cite web|last=Jung|first=Chul-hwan|url=http://english.chosun.com/site/data/html_dir/2018/02/19/2018021901655.html|title=3 Japanese Girls at the Top of K-Pop: The Story Begins|website=The Chosun Ilbo|date=20 Februari 2018|access-date=6 Desember 2019}}</ref><ref name="time_article"jbenjamin>{{cite web|last=Benjamin|first=Jeff|url=https://www.scmp.com/lifestyle/entertainment/article/3075588/mina-twice-isnt-afraid-speak-out-about-mental-health-and-k|title=Mina from Twice isn’t afraid to speak out about mental health, and K-pop star knows a thing or two about hard work|website=[[South China Morning Post]]|date=18 Maret 2020|access-date=20 Mei 2020}}</ref><ref name="elitedaily1">{{cite web|last=Vacco-Bolaños|first=Jessica|url=https://www.elitedaily.com/p/who-is-twices-mina-5-things-you-need-to-know-19261743|title=Who Is TWICE's Mina? 5 Things You Need To Know|website=Elite Daily|date=23 Oktober 2019|access-date=30 November 2019}}</ref> Ia pindah ke Jepang saat masih bayi.<ref name=jbenjamin/> Mina berlatih [[balet]] sejak usia dini, dan telah mempelajarinya selama lebih dari satu dekade sebelum melakukan debut bersama Twice.<ref name="time_article"kpopland/><ref name=kpoplandjbenjamin/><ref name="time_article">{{cite web|last=Moon|first=Kat|title=Everything to Know About K-Pop Group Twice|url=https://time.com/5671342/twice-k-pop-everything-to-know/|website=[[Time (majalah)|Time]]|date=20 September 2019|access-date=16 Juni 2020}}</ref> Ia pernah bersekolah di Obayashi Sacred Heart School.<ref name="elitedaily1"/> Pada tahun 2017, dilaporkan bahwa Mina memiliki dua kewarganegaraan, yaitu Jepang dan Amerika Serikat.<ref>{{cite web|last=Herman|first=Tamar|url=https://www.forbes.com/sites/tamarherman/2017/11/09/twice-by-the-numbers/|title=K-Pop Group TWICE: By The Numbers|website=[[Forbes#Forbes.com|Forbes]]|date=9 November 2017|access-date=7 Desember 2019}}</ref>
