|Birthdate||September 17, 1995|
|Team||Former NGT48 1st Generation|
|Generation||1st Generation NGT48|
- 2015.07.20 - Joined NGT48 as a Kenkyuusei
- 2016.01.10 - Promoted to Team NIII (Team NIII Formation)
- 2018.04.13 - Transferred to Team G (NGT48 Team Shuffle)
- 2019.04.21 - Transferred to 1st Generation
- 2019.05.19 - Graduated from NGT48 (Announcement: April 21, 2019)
AKB48 Senbatsu Elections
- 8th Senbatsu Election - Not Ranked
- 9th Senbatsu Election - #53 (Future Girls)
- 10th Senbatsu Election - #70 (Upcoming Girls)
- Shutsujin (Seishun Dokei)
- Kurayami Motomu (Seishun Dokei)
- Boku no Namida wa Nagarenai (Sekai wa Doko Made Aozora na no ka?)
- Nani ka ga Iru (Sekai wa Doko Made Aozora na no ka?)
- Gikochinai Tsugaku Densha (Sekai wa Doko Made Aozora na no ka?)
- Whatcha Gonna Do (Haru wa Doko kara kuru no ka?)
- Kokoro ni Taiyou (Sekai no Hito e)
- Max Toki 315go (Kimi wa Melody)
- Kimi wa Doko ni Iru? (Tsubasa wa Iranai)
- Happy End (High Tension)
- Midori to Mori no Undokouen (Shoot Sign)
- Jibuntachi no Koi ni Kagitte (＃SukiNanda)
- Tomodachi de Imashou (Jabaja)
- Hitonatsu no Dekigoto (Sentimental Train)
- Soredemo Kanojo wa (NO WAY MAN)
- Yume e no Process (NO WAY MAN)
- [2019.09.17] Title Unnanounced
- AKBINGO! (2016)
- Panda Judges the World (白でも黒でもない世界で、パンダは笑う) (2020)
- Weaknesses: Everything
- Hobbies: Collecting pictures of beautiful girls, Checking out consumer electronics
- Special skill: Reciting the number PI up until 100 digits
- Charm point: Bluey-white skin
- Favorite food: Water, Salt
- Favorite words: "I'm sorry."
- One-line message: "I always do my best to go higher, so please push me forward."
- Her parents were against initially her joining anything entertainment industry related, but in the end gave her the permission to audition for NGT48
- In the year before she auditioned she was invited by her friends to watch the DOCUMENTARY of AKB48 The Time Has Come and got addicted to the group in the wake of that
- Has a driving license
- Lived in Niigata until she was 3 years old
- Dreams of NGT48 becoming as big or bigger than AKB48 itself
- The member she looks up to the most is Watanabe Mayu, Kojima Haruna, and Shiraishi Mai
- Is close to Sugahara Riko
- Team G's oldest member.
- in December 2018 Yamaguchi took a hiatus from SN
- On January 9, 2019 NHK News reported that two men were arrested for allegedly assaulting Yamaguchi Maho outside her own home in Niigata on December 8, but were later released without charges. According to NHK, the two suspects grabbed Yamaguchi's face as she was entering her home.
- This was confirmed by Maho on her SHOWROOM show, telling her fans all the group members' personal data were leaked. She confirmed the assault and that she feared for her life during the assault.
- She posted more details about the story on her Twitter account, asking for clearance on the matter.
- On January 12th, Maho apologised to fans during a stage performance for putting the group in a bad spot light and for causing the fans to worry. Due to this behaviour, many other members (such as Kitahara Rie, Sashihara Rino and Yokoyama Yui) spoke up and the news were also released in western media, such as TIME and Daily Mail.
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