MJ
Mary Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Carbon, Montana
Our Model Tree links this Mary Johnson across the 1910, 1920 and 1930 US Censuses in Carbon, Montana (XGBoost, ~Confirmed) — first a spouse (b.~1868), then head of a 16-person household.
Age 62
b. ~1868
Female
Spouse
Born: Finland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Carbon, Montana |
| Surname | Johnson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Finland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1881 |
| Age at First Marriage | 19 |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | Finnish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
| Township / Ward | School District 68 Joliet |
| Est. Birth Year | ~1868 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
16 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Violet Swanson | Daughter | — | 5 | ~1925 |
| Sophie Wallock | Daughter | — | 12 | ~1918 |
| Cora Swanson | Daughter | — | 14 | ~1916 |
| Ray Wallock | Head | — | 42 | ~1888 |
| Axel Swanson | Other | — | 46 | ~1884 |
| Ernest Parker | Other | — | 7 | ~1923 |
| Alice Parker | Other | — | 25 | ~1905 |
| Mildred Meyers | Other | — | 9 | ~1921 |
| George Huntington | Other | — | 58 | ~1872 |
| Rinehart Dicas | Other | — | 54 | ~1876 |
| Andrew Johnson | Other | — | 41 | ~1889 |
| Ray Wallock | Son | — | 14 | ~1916 |
| Alvin Swanson | Son | — | 9 | ~1921 |
| Mary Johnson | Spouse | — | 62 | ~1868 |
| Alma Swanson | Spouse | — | 38 | ~1892 |
| Nellie Wallock | Spouse | — | 39 | ~1891 |
Census Appearances
1910
Carbon, Montana
Spouse, age 44
Carbon, Montana · implied b. ~1866 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Finland |
| Years Married | 23 |
| Children Born | 12 |
| Children Living | 10 |
| Year of Immigration | 1884 |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Finnish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
1920
Carbon, Montana
Spouse, age 55
Carbon, Montana · implied b. ~1865 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Finland |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Finnish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
1930
Carbon, Montana
Spouse, age 62
Carbon, Montana · implied b. ~1868 — 16 household members
| Surname | Johnson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Finland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1881 |
| Age at First Marriage | 19 |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Can Read/Write | Yes |
| Mother Tongue | Finnish |
| Birth Country | Finland |
| Birthplace (normalized) | finland |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mary Johnson across 3 US Census years (1910, 1920 and 1930) in Carbon, Montana, using XGBoost record linkage.
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This person
Anchor record
Mary Johnson
Spouse · 1930 · age 62 · b. ~1868 · Montana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Carbon, Montana
Open full size
1930 US Federal Census — Carbon, Montana
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1252unit:1009)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sanford Silakka | 48 | Head | Laborer | Finland |
| 2 | Siri Silakka | 41 | Wife | Laborer | Montana |
| 3 | Thelma Silakka | 17 | Daughter | — | Montana |
| 4 | Ray Wallock | 42 | Head | Laborer | Finland |
| 5 | Nellie Wallock | 39 | Wife | — | Finland |
| 6 | Ray Wallock | 14 | Son | — | Montana |
| 7 | Sophie Wallock | 12 | Daughter | — | Montana |
| 8 | Mildred Meyers | 9 | Step-d | — | Michigan |
| 9 | George H. Huntington | 58 | Lodger | Laborer | Kansas |
| 10 | Andrew Johnson | 41 | — | Laborer | Finland |
| 11 | Mary Johnson THIS PERSON | 62 | Wife | — | Finland |
| 12 | Axel Swanson | 46 | — | Laborer | Norway |
| 13 | Alma Swanson | 38 | Wife | — | Montana |
| 14 | Cora Swanson | 14 | Daughter | — | Montana |
| 15 | Alvin Swanson | 9 | Son | — | Montana |
| 16 | Violet Swanson | 5 | Daughter | — | Montana |
| 17 | Rinehart Dicas | 54 | Lodger | Laborer | Iowa |
| 18 | Alice Parker | 25 | Lodger | Servant | England |
| 19 | Ernest Parker | 7 | Lodger | — | Montana |
| 20 | Edward Hansen | 42 | Head | Laborer | Colorado |
| 21 | Mabel Hansen | 35 | Wife | — | Iowa |
| 22 | Howard Hansen | 16 | Son | — | Montana |
| 23 | Edward Hansen | 11 | Son | Laborer | Montana |
| 24 | Irene Hansen | 4 | Daughter | — | Montana |
| 25 | Earl Cunniff | 49 | Head | Laborer | Michigan |
| 26 | Clara Cunniff | 41 | Wife | — | England |
| 27 | Leila Cunniff | 15 | Daughter | — | Montana |
| 28 | Dorothy Cunniff | 14 | Daughter | — | Montana |
| 29 | Grace Cunniff | 10 | Daughter | — | Montana |
| 30 | Ray Moore | 20 | Lodger | Laborer | Washington |
| 31 | Nellie Moore | 17 | Lodger | — | Utah |
| 32 | Thomas Saydell | 52 | Head | Laborer | Ohio |
| 33 | Nellie Saydell | 40 | Wife | — | Nebraska |
| 34 | Beatrice Saydell | 18 | Daughter | — | Montana |
| 35 | Florence Saydell | 16 | Daughter | — | Montana |
| 36 | Robert Saydell | 14 | Son | — | Montana |
| 37 | Florence Saydell | 11 | Daughter | — | Montana |
| 38 | Margery Saydell | 9 | Daughter | — | Montana |
| 39 | Arlene Saydell | 7 | Daughter | — | Montana |
| 40 | Mary M. Saydell | 2 | Daughter | — | Montana |
| 41 | James Saydell | 0 | G. Daughter | — | Montana |
| 42 | Mike Sikora | 56 | Head | Laborer | Czechoslovakia |
| 43 | Mary Sikora | 53 | Wife | — | Czechoslovakia |
| 44 | Emily Sikora | 18 | Son | Laborer | Montana |
| 45 | Steve Sikora | 14 | Son | — | Montana |
| 46 | John Sikora | 12 | Son | — | Montana |
| 47 | Joseph Sikora | 26 | Head | Laborer | Idaho |
| 48 | Fern Sikora | 24 | Wife | — | Montana |
| 49 | George Newman | 37 | Head | Laborer | Lithuania |
| 50 | Nellie Newman | 22 | Wife | — | Iowa |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)