Relevant background info links:

• https://www.bbc.co.uk/news/articles/cdeze706jw8o

Your Party is the name of the sign-up website, but Sultana posted on X to correct some early reports suggesting this was the new party's name, saying: "It's not called Your Party!"

[...]

Asked when they would choose a name for the party, [Corbyn] said: "We're going to decide when we've had all the responses, and so far the response rate has been massive.

"They've been coming in at 500 a minute wanting to support and join the new party."

• https://en.m.wikipedia.org/wiki/Your_Party_(UK)

• https://www.yourparty.uk/statement