The One who is the Sacred River
The One who is the Consort of Shri Krishna, as the AshtaBharya
The One who is the divine sister of Yama, as Yami.
The One who ensured safe passage of Vasudeva through her sacred waters.
The One who was the stala of Kalia Vadha, hence the namee, Kalindi.
The One on whose banks, Shri Krishna grew up.
The One on whose banks, Krishna and Arjuna had a dialogue.
The One who, as Yamuna ensured the entire Leela of Krishna (Kali), played out.
So.
Krishna is Kali. (36th name)
Radha is Kali. (622nd name)
Yamuna is Kali. (336th name)
Yashoda is Kali. (635th name)
Devaki is Kali. (636th name)
Bheema is Kali. (329th name)
Hence the name, YAMUNA