yes. but was later revived by madara.
No, Yagura died from unknown reason and his beast was roaming free. Deidara and Tobi both claimed that they caught three-tails with their own jutsu.
Yes, she died after 3 tailed giant turtle was removed from her
Yes
Yagura is captured in "Naruto" Episode 221, titled "The Sage of the Six Paths." In this episode, the storyline focuses on the battle against the Akatsuki and the attempts to capture the Tailed Beasts. Yagura, the Four-Tails Jinchuriki, is ultimately defeated and captured by the Akatsuki members.
Boy
Formerly Yagura
The fourth Mizukage of the Hidden Mist was the host of the Ginguriki, it was free to roam after Yagura died, but was reduced to animal instincts and was captured by the Diedara and Tobi (Uchia Madara) of Akatsuki
kisame assumed madara was the fourth mizukage , after all fourth mizukage yagura was actually manipulated by madara/tobi ... so you can assume that madara was the real mizukage and yagura was just a puppet ...
The last jinchuriki was Yagura who was able to have full control over the beast.
The Mizukage (which means "Water Shadow") is the leader of the Hidden Mist Village in the Land of Water. The current Mizukage is the Fifth Mizukage, Mei Terumi. The Fourth Mizukage was Yagura, the jinchuriki of the Three Tailed Giant Turtle.
Either Yagura (やぐら) also known as the Fourth Mizukage (四代目水影, Yondaime Mizukage) of Kirigakure, Or yuukimaru
gaara, holder of shukaku Yugito Nii, holder of the two tailed cat Yagura, holder of the three tailed turtle Roshi holder of four tailed monkey that's all i know