Did you try the Houghton or Keweenaw County,Michigan Courthouses.
The only info I could come up with thus far, and wanted to know if this is the correct family.
1881 England Census > Cornwall > Uny Lelant > District 16
Name: Matthew Uren
Age: 15
Estimated Birth Year: abt 1866
Relation: Grandson
Gender: Male
Where born: Lelant, Cornwall, England
Civil Parish: Uny Lelant
County/Island: Cornwall
Country: England
Street address: Carntiscoe
Occupation: Tin Miner
Registration district: Penzance
Sub-registration district: Uny Lelant
ED, institution, or vessel: 16
Household Members: Name Age
Wm. Uren 71 abt 1810 Head
Phillippa Uren 63 abt 1818 Wife
James Uren 23 abt 1858 Son
Matthew Uren 15 abt 1866 Grandson
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1881 England Census > Cornwall > Uny Lelant > District 15
Name: Grace Rashleigh
Age: 14
Estimated Birth Year: abt 1867
Relation: Daughter
Father's Name: John
Mother's Name: Elisebeth
Gender: Female
Where born: Uny Lelant, Cornwall, England
Civil Parish: Uny Lelant
County/Island: Cornwall
Country: England
Street address: Boskerris Warrah
Occupation: Mine Girl
Registration district: Penzance
Sub-registration district: Uny Lelant
ED, institution, or vessel: 15
Household Members: Name Age
Amy Rashleigh 11 abt 1870 Daughter
Elisebeth Rashleigh 43 abt 1838 Wife
Elisebeth Rashleigh 1 abt 1880 Daughter
George Rashleigh 9 abt 1872 Son
Grace Rashleigh 14 abt 1867 Daughter
John Rashleigh 47 abt 1834 Head
John T. Rashleigh 18 abt 1863 Son
Phillipa Rashleigh 7 abt 1874 Daughter
Thomas Rashleigh 5 abt 1876 Son
William H. Rashleigh 21 abt 1860 Son
Alfred Thomas 8 abt 1873 Nephew
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New York Passenger Lists, 1820-1957
Name: Grace Rashleigh
Arrival Date: 28 Apr 1890
Estimated Birth Year: abt 1867
Age: 23
Gender: Female
Port of Departure: Liverpool, England and Queenstown, Ireland
Destination: United States of America
Place of Origin: England
Ethnicity/Race­/Nationality: English
Ship Name: City of Rome
Port of Arrival: New York
Line: 8
Microfilm Serial: M237
Microfilm Roll: M237_547
List Number: 556
Port Arrival State: New York
Port Arrival Country: United States
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1891 England Census > Cornwall > Crowan > District 9
Name: Mathew Uren
Age: 35
Estimated Birth Year: abt 1856
Relation: Head
Spouse's Name: Grace
Gender: Male
Where born: Lelant, Cornwall, England
Civil Parish: Crowan
Ecclesiastical parish: Crowan
County/Island: Cornwall
Country: England
Registration district: Helston
Sub-registration district: Crowan
ED, institution, or vessel: 9
Household Members: Name Age
George Uren 9/12 abt 1890 Camborne, Cornwall,England Son
Grace Uren 25 abt 1866 Lelant, Cornwall, England Wife
Mathew Uren 35 abt 1856 Lelant, Cornwall, England Head
William Uren 3 abt 1888 Camborne, Cornwall, England Son
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