What does Shadrach mean?
Shadrach \sh(a)-dra-ch, shad-rach\ as a boys' name is of Babylonian origin, and the meaning of Shadrach is "command of Aku". The Babylonian moon god was Aku. In the Old Testament, one of the three Hebrew men thrown into a fiery furnace by King Nebuchadnezzar and rescued by an angel. Used steadily in the 16th-19th centuries.
For more on this name, see also the related boy name Meshach.
Shadrach is a rare first name for males but a somewhat popular surname for both adults and children (#94676 out of 150436, Top 63%). (2000 U.S. Census)
The only prominent related form of Shadrach (#unlisted) listed in the Top 1000 is Shad. These boy names were at the top of their popularity during the years 1970-1979 (usage of 0.481%) and have become significantly less popular since. Below is a graphed comparison of the usage of the boy name Shadrach and associated names. (2014 Birth Statistics)