I got a question for you: Tracy McConnell, better known as "The Mother", is the title character from the CBS television sitcom How I Met Your Mother. The show, narrated by Future Ted, tells the story of how Ted Mosby met The Mother. Tracy McConnell appears in 8 episodes from "Lucky Penny" to "The Time Travelers" as an unseen character; she was first seen fully in "Something New" and was promoted to a main character in season 9. The Mother is played by Cristin Milioti.

Answer this question: how i.met your mother who is the mother?
Let's think first:
The relevant information is: Tracy McConnell, better known as "The Mother", is the title character from the CBS television sitcom How I Met Your Mother.
Therefore, the answer is Tracy McConnell.