Mordechai's lineage: Megillah 12b-13a
Mordechai as a descendant of Shimi ben Geira: Megillah 12b-13a
Mordechai's titles: Megillah 12b
Whether Mordechai was also the prophet known as Malachi: Megillah 15a
Whether Mordechai was also Ezra: Megillah 15a
Mordechai Understood 70 languages and was skilled in interpreting hidden meanings: Menachot 65a
His additional name, "Balshan," was because of the line above: Menachot 65a
Mordechai as a Leader
The name "Mordechai" symbolizes "Mor Deror," which is "Mara Dachya" in Aramaic, the "Head" of the Spices of the Incense: Megillah 10b
Mordechai as a member of the High Court: Megillah 13b; Menachot 65a
Mordechai interpreting the hints of a mute man as to where grain for the Flour-Offering of the Omer and Two Loaves of Shavuot [Pentecost] could be found: Menachot 64b
Mordechai interpreting the words of 3 women who came with Offerings, to understand their intent: Menachot 64b-65a
Mordechai was generally responsible for the money used for bird-Offerings, under the name "Pesachyah" alluding to his interpretive abilities: Menachot 65a
Mordechai exiled himself from Jerusalem when the Jews left: Megillah 13a
Some of Mordechai's fellow judges abandoned him when he became a public ruler: Megillah 16b
Mordechai and Purim
"Kenesset Yisrael [Congregation of Israel]" praising Mordechai and complaining about King Saul: Megillah 12b-13a
How Mordechai knew of the plan of Bigtan and Teresh: Megillah 7a
Mordechai serving at Achashverosh's party: Megillah 12a [see Rashi]
What Mordechai was saying, when he cried bitterly at the news of Haman's edict: Megillah 15a
Mordechai's fast on the first day of Passover: Megillah 15a