I'm having trouble with Ancestry's new viewer and maybe you have all this info, but
1910 Census says he (and parents) born in Canada.
Name: Dennis
Culleton Age in 1910: 44
Estimated Birth Year: abt 1866
Birthplace: Canada
English Relation to Head of House: Head
Father's Birth Place: Canada
English Mother's Birth Place: Canada
English Spouse's Name: Ann
Home in 1910: Valier School District, Teton,
Montana Marital Status: Married
Race: White
Gender:
Male Year of Immigration: 1887
Household Members: Name Age
Dennis
Culleton 44
Ann
Culleton 41
Alleran
Culleton 16
Margus
Culleton 10
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1905 they were in
WisconsinName: Daniel
Culleton Census Date: 1 Jun 1905
Residence County:
Price Residence State:
Wisconsin Locality: Lake
Birth Location: Canada
Marital Status: Married
Gender:
Male Estimated Birth Year: abt 1865
Race: White
Relation: Head
Spouse's Name: Alice M
Line: 38
Roll: CSUSAWI1905_25
Neighbors: View others on page
Household Members: Name Age
Daniel
Culleton 40
Alice M
Culleton 38
Sarah A
Culleton 12
Mark D
Culleton 5
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no way to know if this is the right one but a family tree shows a
D: Denis
Culleton Born: 22 Jan 1865
St Gabriel De Valcartier, [county], Quebec, Canada
Parents:
Ann
Corrigan B: abt 1836
D: 8 Jun 1909Lawrence
Corrigan Lawrence
Corrigan D: 46Patrick CulletonB: abt 1833