I am tracing back Yudelevitch originating in now Ukraine then Russia. They settled in Rishon Le Zion, Israel and spread out around the workd from there. Upon arrival to the U.S. and the U.K. for example the name was often changed to Young. Some Yudelevitch names on my list ...
Reuven
Yehunda
Aryeh
Moshe
Rachel
Yosef
Avraham
Yaakov
Hadassah
Avsalom
Miriam
Devorah