Dear Ms. Stocker,
Thank you for posting your request on History Hub!
We searched the National Archives Catalog and located Population Schedules for the 1880 Census in the Records of Bureau of the Census (Record Group 29). in the Records of the Bureau of the Census (Record Group 29). Digitized images of this census schedule are not available yet on the Catalog.
We searched Ancestry and located Alois Stocker as head of household on the 1880 census living with his wife Helena and 3 adult children; all immigration & travel results for Alois Stocker; Alois Stocker’s grave site in Minnesota; his wife Helena’s grave site; Helena’s birth certificate (listing her parents); and his mother Elizabeth Stocker’s obituary (no image). There may be a fee for using Ancestry. Instead, you may view these records online at one NARA's facilities for free via a NARA PC. For the nearest NARA location, please consult our web page at https://www.archives.gov/locations/. Also, some of the images from Ancestry are available for free on Family Search at https://www.familysearch.org/en/.
We suggest that you review Federal Archives of Switzerland; Bern Canton, Switzerland Genealogy Genealogy; Switzerland Online Genealogy Records Genealogy;Genealogy Records - Swiss Center of North America; and Guides - Swiss websites for additional resources and information.
We hope this is helpful. Best of luck with your family research!