MJ
Mary Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · None, Minnesota
Our Model Tree links this Mary Johnson across the 1910, 1920 and 1930 US Censuses in Minnesota (XGBoost, ~Confirmed) — first a spouse (b.~1879), then head of a 6-person household.
Age 51
b. ~1879
Female
Spouse
Born: Denmark
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | None, Minnesota |
| Surname | Johnson |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Denmark |
| Naturalization Status | Naturalized |
| Year of Immigration | 1882 |
| Age at First Marriage | 21 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | Danish |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
| Township / Ward | Meadowlands Township |
| Est. Birth Year | ~1879 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Norma Johnson | Daughter | — | 10 | ~1920 |
| Henning Johnson | Head | — | 54 | ~1876 |
| Kenneth Johnson | Son | — | 18 | ~1912 |
| Milo Johnson | Son | — | 20 | ~1910 |
| Glen Johnson | Son | — | 14 | ~1916 |
| Mary Johnson | Spouse | — | 51 | ~1879 |
Census Appearances
Spouse, age 31
Otter Tail, Minnesota · implied b. ~1879 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Denmark |
| Years Married | 12 |
| Children Born | 3 |
| Children Living | 3 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
Spouse, age 41
Otter Tail, Minnesota · implied b. ~1879 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Maria |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Denmark |
| Year of Immigration | 1888 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Danish |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
1930
None, Minnesota
Spouse, age 51
None, Minnesota · implied b. ~1879 — 6 household members
| Surname | Johnson |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Denmark |
| Naturalization Status | Naturalized |
| Year of Immigration | 1882 |
| Age at First Marriage | 21 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Mother Tongue | Danish |
| Birth Country | Denmark |
| Birthplace (normalized) | denmark |
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 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Johnson
Spouse · 1930 · age 51 · b. ~1879 · Minnesota
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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 — None, Minnesota
Open full size
1930 US Federal Census — None, Minnesota
Page Contents
50 people indexed on this census page (ia:1930:minnesotacensus00reel1128:0646)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ole Sinder | 44 | Head | Farmer | Sweden |
| 2 | Tekla E. Sinder | 38 | Wife | — | Sweden |
| 3 | Jane M. Sinder | 10 | Daughter | — | Minnesota |
| 4 | May E. Sinder | 9 | Daughter | — | Minnesota |
| 5 | Ruth G. Sinder | 7 | Daughter | — | Minnesota |
| 6 | Ralph Sinder | 4 | Son | — | Minnesota |
| 7 | Cyril E. Sinder | 2 | Son | — | Minnesota |
| 8 | Curtis M. Sinder | 0 | Son | — | Minnesota |
| 9 | Henning C. Johnson | 54 | Head | Farmer | Wisconsin |
| 10 | Mary E. Johnson THIS PERSON | 51 | Wife | — | Denmark |
| 11 | Milo N. Johnson | 20 | Son | Laborer | North Dakota |
| 12 | Kenneth D. Johnson | 18 | Son | Laborer | North Dakota |
| 13 | Glen F. Johnson | 14 | Son | Laborer | Minnesota |
| 14 | Norma M. Johnson | 10 | Daughter | — | Minnesota |
| 15 | Conrad Johnson | 46 | Head | Farmer | Iowa |
| 16 | Agatha L. Johnson | 47 | Wife | — | Iowa |
| 17 | Zoe B. Johnson | 22 | Daughter | Teacher | Minnesota |
| 18 | Herbert S. Johnson | 19 | Son | Laborer | Minnesota |
| 19 | Russell E. Johnson | 15 | Son | — | Minnesota |
| 20 | Edith L. Johnson | 10 | Daughter | — | Minnesota |
| 21 | Vernie H. Johnson | 7 | Daughter | — | Minnesota |
| 22 | Helen E. Johnson | 4 | Daughter | — | Minnesota |
| 23 | George F. Foster | 40 | Head | Farmer | Minnesota |
| 24 | Martha C. Foster | 31 | Wife | — | Minnesota |
| 25 | George F. Jr. Foster | 9 | Son | — | Minnesota |
| 26 | Barbara R. Foster | 8 | Daughter | — | Minnesota |
| 27 | John R. Foster | 6 | Son | — | Minnesota |
| 28 | Robert J. Foster | 3 | Son | — | Minnesota |
| 29 | William L. Foster | 2 | Son | — | Minnesota |
| 30 | William E. Pomroy | 45 | Head | Farmer | Germany |
| 31 | Elizabeth F. Pomroy | 35 | Wife | — | Germany |
| 32 | Elsie E. Pomroy | 13 | Daughter | — | Minnesota |
| 33 | Herbert M. Pomroy | 12 | Son | — | Minnesota |
| 34 | Elizabeth L. Pomroy | 9 | Daughter | — | Minnesota |
| 35 | Joseph Blunda | 46 | Head | Farmer | Czecho-Slovakia |
| 36 | Frances Blunda | 47 | Wife | — | Czecho-Slovakia |
| 37 | Emil Zatock | 16 | Nephew | — | South Dakota |
| 38 | Vlasta Zatock | 14 | Niece | — | South Dakota |
| 39 | Joseph Ryzak | 53 | Head | Farmer | Czecho-Slovakia |
| 40 | Frances Ryzak | 45 | Wife | — | Texas |
| 41 | Mary E. Ryzak | 17 | Daughter | — | Texas |
| 42 | Vlasta M. Ryzak | 13 | Daughter | — | Texas |
| 43 | Joseph Ryzak | 11 | Son | — | Missouri |
| 44 | Victoria F. Ryzak | 9 | Daughter | — | Missouri |
| 45 | Joseph L. Racek | 45 | Head | Farmer | Czecho-Slovakia |
| 46 | Mary C. Racek | 42 | Wife | — | Illinois |
| 47 | Frances M. Racek | 17 | Daughter | — | Nebraska |
| 48 | Joseph L. Racek | 16 | Son | — | Nebraska |
| 49 | Herbert J. Racek | 13 | Son | — | Nebraska |
| 50 | Lorine L. Racek | 2 | Daughter | — | Nebraska |
Related Census Records
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)