[citation needed] When her parents of the merchants moved to Namtu, she became intimate friends with Khin Phone Tint who lived in the same quarter and became interested in literature.
[citation needed] She attended Indigenous Burmese Middle School in Sayar Myo and learned English from Kindergarten.
In 1945, she moved to China, Shanghai with aunt Khun Nan Nwe and her husband named Namtu Mining Manager Abajet.
In Rangoon, she applied work as the actress to A1 Film Company while she was staying at the home of Daw Khin Phone Tint, who was as close as a sister.
She wrote short stories such as "Cherry from Shan Thani", "Myaw Hlyat Myaw Sae", "Kyway Lwint Cherry" and "Mann Shwe Nwe Wai Yee" under the pen name Saw Shin Mon and sent her short stories to the Yuwadi Journal published by Dagon Khin Khin Lay.
She wrote the novel "Pin Myint Mar Lar" and she directed it as a film with actor Zeya and Shwe Ko.
[5] She met Captain Mya Hlaing, her audience, during the 1949 "Thitsar Pan Hna Khaing" play and fell in love with her.
After parting ways with Captain Mya Hlaing, she fell in love with actor Khin Maung Kyi, who entered the theater world in 1951.
However, she remained in good health until 10 a.m. on 6 May, but died of pneumonia on 6 May 1957, at 3:30 p.m. Mary Myint's body was transported to Rangoon General Hospital in a naval vehicle, where it was stored in the freezer and embalmed.