Sidrat ul-muntaha
It is the name of a great beautiful tree in jannah. There are hadiths about it. look them up.
(1) Near Sidrat-ul-Muntaha (a Lote-Tree of the Utmost Boundary over the seventh heaven beyond which none can pass).
( سورة النجم , An-Najm, Chapter #53, Verse #14)
Where I come from it is a name that is becoming popular. Some give the girl the full name but just call her sidra for short.
Another one: Shafaq
(16) فَلَا أُقْسِمُ بِالشَّفَقِ
Surat Al-Inshiqaq verse 16
meaning:
Dr. Mohsin : So I swear by the afterglow of sunset;
Mufti Taqi Usmani : So, I swear by the twilight (after sunset),
Mubarak! :ma: