The first settler in Warren Township was Henry Snook, one of the first two
settlers in Poweshiek County. In 1843 he settled at the junction of Little
Bear Creek and Bear Creek, in a large grove of timber. The timber has been
known as "Snook’s Grove" since. The first land in Poweshiek County
entered from the US Government was settled in Warren Township by John Talbott
in 1847. In 1850, Robert Manatt, Jr. built a sawmill in Section 22 on Bear
Creek.
The first religious services were held in the home of Edward Griswald in
1852. The first marriage in the township was in 1852, between James Manatt and
Loving Snook. In 1869 the Harmony Moravian Church was dedicated in the
southwest corner of the township. In 1875, a Congregational Church was erected
in the northeast corner.
Warren Township was organized in March 1855. The first school house was
built in 1853. In May 1863, the first murder occurred, in which a boy,
Claiborne Showers was killed by his cousin, Kirk Vincent.
The Chicago, Rock Island and Pacific Railway was laid in 1862 and 1863,
going east to west. The Chicago and Northwestern railway was built in 1884,
the branch known as the "Pumpkin Vine", generally from north to
south. It was intended to reach the coal fields in southern Iowa. The two
lines crossed near Carnsforth. The Chicago and Northwestern line has since
been abandoned. The town of Victor is at the very eastern edge of Warren
Township, with most of Victor being in Iowa County.