Lucy (MacMillan) Cameron At The Border

NARA border crossing (Series M1478) in Michigan....from Ancestry:

Lucy Cameron

Born: Buckingham, Quebec, Canada

Father: Angus Mac Millan, Rockland, Ontario, Canada

Husband: Alex Cameron, Duluth, MN, USA

Daughter: Ethel

United States Census, 1930
Name:     Lucy Cameron
Event Place:     Duluth, St. Louis, Minnesota
Birthplace:     Canada
Estimated Birth Year:     1882
Immigration Year:     1921
Relationship to Head of Household:     Wife
Father's Birthplace:     Canada
Mother's Birthplace:     Canada
Spouse     Alex Cameron     M     49 [b. ca 1881; immigrated in 1898]
      Lucy Cameron     F     48
Child     Ethel M Cameron     F     4

Canada Census, 1891
Name:     Lucy Mcmillin
Gender:     Female
Age:     10
Estimated Birth Year:     1881
Birthplace:     Quebec
Marital Status:     Single
Religion:     Free Church
Province:     Quebec
District:     Ottawa
District Number:     175
Sub-District:     Buckingham Town
Library and Archives Canada Film Number:     30953_148213

Canada Census, 1891
Name:     Angus Mcmillin
Gender:     Male
Age:     41
Estimated Birth Year:     1850
Birthplace:     Ontario
Marital Status:     Widowed
Religion:     Free Church
Province:     Quebec
District:     Ottawa
District Number:     175
Sub-District:     Buckingham Town
Library and Archives Canada Film Number:     30953_148213

 Canada Census, 1881
Name:     Angus McMillan
Gender:     Male
Age:     29y
Calculated Birth Year:     1852
Birthplace:     Ontario
Marital Status:     Married
Occupation:     Labourer
Ethnic Origin:     Scottish
Religion:     Presb
Head of Household:     Angus Mcmillan
Born During Last Year:   
Census Place:     Buckingham, Ottawa, Quebec, Canada
District Number:     97
Sub District:     A
Division:     1
Page Number:     52
House Number:     1186597
Family Number:     195
Digital Folder Number:     4465275
Image Number:     00325
Film Number:     1375860
Library and Archives Canada Film Number:     C-13224
     Household    Gender    Age
      Angus McMillan     M     29y
    Mary McMillan     F     28y
    Ethel McMillan     F     2y