Matsumura belonged to the tennis club since junior high school and was a team captain[4] at the tennis circle Aleks when she was under college in four years. She also likes to swim, ballet, figure skating, artistic gymnastics, basketball etc.,[5][6] and her body is so flexible that Y-shaped legs are possible.[1][7]
While having a part-time job at college, Matsumura was involved in Nippon TVpromotional model[8] and telop input work etc.[1] Announcer Minami Tanaka (currently freelancer)[9] and other stations synchronized with tarentos Yuri Takami, Misato Nagano[10] and others, Takami is particularly close friends such as her birthday is different[11] from the same place for a day.
Matsumura's TOEIC score is 940 points, STEP Eiken quasi first grade etc., fluent in the English language, directly interviewing Hollywood stars and foreign athletic players without intermediary language interpretation,[12][13] contacting English well with film watching, books, magazines, newspaper articles etc. to keep in mind.[12]
In addition to tennis and golf[14] as a hobby, she likes to visit tasty restaurants. Matsumura lists cuisine, English conversations, piano etc. as special skills.
On 30 June 2017, a day after her 31st birthday, she officially married with an actor, Tomonori Jinnai.[15]
She announced her pregnancy with her first child on 14 June 2018,[16] and she went on maternity leave that September.[17] On 31 October 2018, she gave birth to a healthy baby girl.[18] She returned to work on August 13, 2020.[19]
^"2009年フジテレビ新人アナ徹底直撃" (in Japanese). Fuji Television Announcement Department Official Website Announcer Room News. 14 Jul 2009. Archived from the original on 2012-11-18. Retrieved 2 Jun 2017.
^"目指せ～ソチ！" (in Japanese). CX Sports Announcer. 14 Dec 2010. Retrieved 2 Jun 2017.
^Matsumura, Mio (1 Nov 2011). "Pick up インタビュー!（Part1）" (Interview) (in Japanese). Announce Magazine Cover Announcer Interview. Retrieved 2 Jun 2017.