SJ
Sophia Johnson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Brookings, South Dakota
Our Model Tree links this Sophia Johnson across the 1910 and 1920 US Censuses in Brookings, South Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1872), then head of a 10-person household.
Age 48
b. ~1872
Female
Spouse
Born: Norway
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Brookings, South Dakota |
| Surname | Johnson |
| Given Name | Sophia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Norway |
| Year of Immigration | 1881 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Year of Naturalization | 1901 |
| Birthplace (normalized) | norway |
| Township / Ward | Eureka Township |
| Est. Birth Year | ~1872 |
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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Sophia | Age | Birth yr |
|---|---|---|---|---|
| John Johnson | Head | — | 54 | ~1866 |
| Sophia Johnson | Spouse | — | 48 | ~1872 |
| Thora Johnson | Daughter | — | 8 | ~1912 |
| Stella Johnson | Daughter | — | 10 | ~1910 |
| Henry Johnson | Son | — | 17 | ~1903 |
| Mabel Johnson | Daughter | — | 13 | ~1907 |
| Lillian Johnson | Daughter | — | 15 | ~1905 |
| Alice Johnson | Daughter | — | 7 | ~1913 |
| Lenora Johnson | Daughter | — | 12 | ~1908 |
| Harry Johnson | Son | — | 2 | ~1918 |
Census Appearances
1910
Hutchinson, South …
Spouse, age 36
Hutchinson, South Dakota · implied b. ~1874 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Sophia M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Norway |
| Years Married | 12 |
| Children Born | 4 |
| Children Living | 4 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1920
Brookings, South …
Spouse, age 48
Brookings, South Dakota · implied b. ~1872 — 10 household members
| Surname | Johnson |
| Given Name | Sophia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Norway |
| Year of Immigration | 1881 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Year of Naturalization | 1901 |
| Birthplace (normalized) | norway |
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 Sophia Johnson across 2 US Census years (1910 and 1920) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Sophia Johnson
Spouse · 1920 · age 48 · b. ~1872 · South Dakota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Brookings, South Dakota
Open full size
1920 US Federal Census — Brookings, South Dakota
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1715unit:0031)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Sophia Vandervliet | 51 | Sister | — | Holland |
| 52 | William J. Vandervliet | 9 | Nephew | — | Holland |
| 53 | Frederick M. Butler | 43 | Head | Farmer | New York |
| 54 | Esther G. Butler | 42 | Wife | — | Minnesota |
| 55 | Henry S. Butler | 16 | Son | — | South Dakota |
| 56 | Georgia E. Butler | 15 | Daughter | — | South Dakota |
| 57 | Ruthven M. Butler | 14 | Son | — | South Dakota |
| 58 | Esther E. Butler | 12 | Daughter | — | South Dakota |
| 59 | Robert A. Butler | 11 | Son | — | South Dakota |
| 60 | Charles W. Butler | 9 | Son | — | South Dakota |
| 61 | Ida B. Butler | 7 | Daughter | — | South Dakota |
| 62 | Alice G. Butler | 4 | Daughter | — | South Dakota |
| 63 | Henry Bahr | 53 | Head | Farmer | Germany |
| 64 | James A. West | 56 | Head | Farmer | Ohio |
| 65 | Minnie D. West | 54 | Wife | — | West Virginia |
| 66 | Bryan S. West | 11 | Son | — | West Virginia |
| 67 | Harold N. West | 6 | Grandson | — | West Virginia |
| 68 | Cornelius D. Degroot | 40 | Head | Farmer | Holland |
| 69 | Flora Degroot | 14 | Daughter | — | Holland |
| 70 | Gerrit J. Degroot | 12 | Son | — | Holland |
| 71 | Rynderk Degroot | 9 | Son | — | Iowa |
| 72 | Victoria Degroot | 2 | Daughter | — | Iowa |
| 73 | Cornelius Degroot | 0 | Son | — | South Dakota |
| 74 | Gerrit Vandervliet | 67 | Father-in-law | — | Holland |
| 75 | Peter Vandervliet | 30 | Brother-in-law | Farm Laborer | Holland |
| 76 | Gerrit Vandervliet | 5 | Nephew | — | Washington |
| 77 | Hans P. Jensen | 48 | Head | Farmer | Denmark |
| 78 | Stina Jensen | 47 | Wife | — | Denmark |
| 79 | Mina Jensen | 20 | Daughter | — | South Dakota |
| 80 | Conrad Jensen | 19 | Son | Farm Laborer | South Dakota |
| 81 | Edna Jensen | 18 | Daughter | — | South Dakota |
| 82 | Albert E. Jensen | 16 | Son | — | South Dakota |
| 83 | Nora Jensen | 15 | Daughter | — | South Dakota |
| 84 | Alice Jensen | 14 | Daughter | — | South Dakota |
| 85 | Dagmar Jensen | 7 | Daughter | — | South Dakota |
| 86 | Lillian Jensen | 6 | Daughter | — | South Dakota |
| 87 | Myrtle T. Jensen | 3 | Daughter | — | South Dakota |
| 88 | John H. Johnson | 54 | Head | Farmer | Wisconsin |
| 89 | Sophia Johnson THIS PERSON | 48 | Wife | — | Norway |
| 90 | Henry C. Johnson | 17 | Son | Farm Laborer | South Dakota |
| 91 | Lillian M. Johnson | 15 | Daughter | — | South Dakota |
| 92 | Mabel G. Johnson | 13 | Daughter | — | South Dakota |
| 93 | Lenora H. Johnson | 12 | Daughter | — | South Dakota |
| 94 | Stella C. Johnson | 10 | Daughter | — | South Dakota |
| 95 | Thora B. Johnson | 8 | Daughter | — | South Dakota |
| 96 | Alice M. Johnson | 7 | Daughter | — | South Dakota |
| 97 | Harry E. Johnson | 2 | Son | — | South Dakota |
| 98 | Edward M. Johnson | 30 | Head | Farmer | South Dakota |
| 99 | Bertha M. Johnson | 25 | Wife | — | South Dakota |
| 100 | Arlene R. Johnson | 4 | Daughter | — | South Dakota |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)