So... is Maria†Holic finished or not?
NO, it is not finished.
Why?
The anime finished before the manga:
Anime finished: June 24, 2011
Manga finished: November 27, 2014
MangaUpdates contains information about the anime adaptation and indicates that it is incomplete.
Watching Order (by release date)
Here you have all the anime relations we detected ordered by release date, so you can see the reason for this status in context and also use it as watching order.
The mangas and the non-core contents are excluded by default, but you can enable them by clicking the buttons below:
Maria†Holic
まりあ†ほりっく
Anime - Base
Release date: January 04, 2009
Maria†Holic Alive
まりあ†ほりっく あらいぶ
Anime - Sequel
Release date: April 08, 2011
Synopsis
Kanako Miyamae, hoping to find a same-sex partner, transfers to an all-girls Catholic school where her parents met.
She quickly becomes infatuated with the seemingly perfect Mariya Shidou.
However, Kanako discovers Mariya's shocking secret: Mariya is actually a boy who cross-dresses as a girl.
To protect his secret, Mariya forces Kanako into an uneasy alliance, becoming her roommate and ensuring her silence.
The story follows Kanako's chaotic school life as she navigates her romantic aspirations while keeping Mariya's secret and dealing with his mischievous nature.