April 6, 1851
The Porter family moved to Wisconsin and settled on 440 acres.
The regionGrade A · 1 independent source
The evidence
“Porter died May 30, 1 876, and was buried at Clinton* he was the father of ten children ; one of them, Webster, was shot before Atlanta, was color-bearer of the 16th Wis. Regt.; three brothers and sisters are now in Turtle and one brother in Kansas ; the family moved to Wisconsin, April 6, 1851, and settled on 440 acres ; Philo Porter now has 100 acres under fine cultivation ; pays particular attention to raising stock ; is in comfortable circumstances ; has been on the School Boai d many terms and is now Town Treasurer.”
1879-history-of-rock-county/23-bios-turtle.md, PDF p. 803
Butterfield, C. W., et al. The History of Rock County, Wisconsin: its early settlement, growth, development, resources, etc. Chicago: Western Historical Company, 1879. Cornell University Library via the Internet Archive, archive.org/details/cu31924028871585.
Grade A: Found on a page of one of our sources