This families original name was Pátsi. They changed it to Peterson . I found their immigrant records for Kristiina, Hilda and Mikko ( Mike) in 1903 and traced them to Ironwood.
Last name Pätsi

First names Kristiina
Other names
Date of birth . .1877
Marital status 2
Religion
Occupation Itsellisen vmo
Home parish Haapajärvi
Province OU
Passport date 09.04.1903
Passport number 473
Passport valid (year:month) 5:0
Destination Amerikka
Passport issued by HÄM
Remarks Sp lapset Hilda Maria ja Mikko.
( going to husband Johan Patsi in Ironwood )

1910 United States Federal Census
about John Peterson
Name: John Peterson
Age in 1910: 33
Estimated Birth Year: abt 1877
Birthplace: Finland
Relation to Head of House: Head
Father's Birth Place: Finland
Mother's Birth Place: Finland
Spouse's Name: Christina
Home in 1910: Ironwood Ward 6, Gogebic, Michigan
Marital Status: Married
Race: White
Gender: Male
Year of Immigration: 1901
Neighbors:
Household Members: Name Age
John Peterson 33
Christina Peterson 32
Hilda M Peterson 14
Mike Peterson 12
Esther G Peterson 4
Jennie C Peterson 1 6/12
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