Jemmy or Jemmie

[JB3112]

Nickname for Jemima, which spelling - just bothers me and want to know, lol

Neither.

I know it's Jem as a NN, but I know a Jemima and she is called Jemmy/Jemmie and would like to know how you spell it...

I think as it's a nickname you choose which ever you prefer

jemmy
ˈdʒɛmi/
noun
1.
a short crowbar used by a burglar to force open a window or door.
verbinformal
1.
force open (a window or door) with a jemmy.
"a burglar jemmied his patio doors"

Jemi?

Jemina was very popular in Scotland in late 19th/early 20th cent.
The usual nickname was 'Mima' (My - mah). Most of us, when young, had a great-auntie Mima ....

Jemma?