In 1857, McCrary was elected to the lower body of the Iowa legislature, where he served for a term.<ref name=iowalegislaturebio/> He later ran for state Senate from the 1st district, where he was elected twice. While young, McCrary was described as an "able and influential legislator."<ref name=iowalegislaturebio/> | In 1857, McCrary was elected to the lower body of the Iowa legislature, where he served for a term.<ref name=iowalegislaturebio/> He later ran for state Senate from the 1st district, where he was elected twice. While young, McCrary was described as an "able and influential legislator."<ref name=iowalegislaturebio/> |