There are multiple origins and meanings for the name:
1. Comes from the Slavic word юркий [yurky] meaning - "nimble, brisk"
2. Russian (Юрий) form of the ancient Greek name George, meaning - "plowman; earth-worker; farmer"
3. Form of the Hebrew name Uri - "light, luminary"
Yuri Gagarin the first human in space.
May also refer to Yuri (feminine name ).