Jerek Is A Boy’s Name Of Czech And Hebrew Origin. It’s A Diminutive Of The Czech Name Jeremias, Which Derives From The Hebrew Name Yirmeyah Or Yirmeyahu (anglicized As Jeremiah), Meaning “God Will Uplift.” If Your Faith Is Important To You, This Is A Lovely Thing To Hope For Baby! Jeremiah Is Regarded As A Prophet In Judaism, Christianity And Islam, And He Is One Of The Most Important Prophets In The Hebrew Bible. Jerek Is A Sweet Diminutive Of This Ancient Name That Could Be Used As A Nod To Your Czech Roots.