Deadname

[Hina Muqadas]

The birth name of a transgender person who has changed their name as part of their gender transition.

[Couch Potatoe]

to call a transgender person by his or her dead name (= their original name that they no longer use) :

[Dianne]

Deadname is a word used to describe [someone’s] old name after [changing] it (usually a [trans] person)

[Cami]

A [deadname] is the unused (birth)name of someone who changed their name, [wether] it has officially been changed or not. So technically, its a [dead name].

You could also call it a deadname because everyone who deadnames you shall become the dead /j

[Tanya Shivari]

[A name] that is [dead]

[exinilu]

n. The birth name of somebody who has changed their name. Most commonly attributed to [trans] people, but can be attributed to any person who has changed their name. (sometimes written as two words: [dead name])

v. 1. To call somebody by their deadname.
v. 2. To out [somebodys] deadname to the public.