Shamrock Township is one of eighteen townships in Callaway County, Missouri, USA. As of the 2010 census, its population was 413. Shamrock Township was created between 1876 and 1897, per official county maps from these two years, from the northeast 1/4 of what before then was a much larger Nine Mile Prairie Township. It's named for the shamrock…
Shamrock Township is one of eighteen townships in Callaway County, Missouri, USA. As of the 2010 census, its population was 413. Shamrock Township was created between 1876 and 1897, per official county maps from these two years, from the northeast 1/4 of what before then was a much larger Nine Mile Prairie Township. It's named for the shamrock, a national symbol of Ireland.