MJ
Mildred Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Polk, Minnesota
Our Model Tree links this Mildred Johnson across the 1910, 1920 and 1930 US Censuses in Polk, Minnesota (XGBoost, ~Confirmed), with identified parents Tosten & Leonard — first a daughter (b.~1909), then head of a 7-person household.
Age 21
b. ~1909
Female
Daughter
Born: Minnesota
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Polk, Minnesota |
| Surname | Johnson |
| Given Name | Mildred D. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Additional Details | |
| Occupation | Clerk |
| Industry | Retail Grocery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Clerk |
| Township / Ward | Crookston City |
| Est. Birth Year | ~1909 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| Ada Johnson | Daughter | — | 18 | ~1912 |
| Hazel Johnson | Daughter | — | 20 | ~1910 |
| Mildred Johnson | Daughter | — | 21 | ~1909 |
| Leonard Johnson | Head | — | 44 | ~1886 |
| Max Erickson | Other | — | 31 | ~1899 |
| Alice Johnson | Son | — | 13 | ~1917 |
| Isabella Johnson | Spouse | — | 45 | ~1885 |
Census Appearances
1910
Polk, Minnesota
Daughter, age
Polk, Minnesota · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Polk, Minnesota
Daughter, age 10
Polk, Minnesota · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Polk, Minnesota
Daughter, age 21
Polk, Minnesota · implied b. ~1909 — 7 household members
| Surname | Johnson |
| Given Name | Mildred D. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | Clerk |
| Industry | Retail Grocery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Mildred Johnson across 3 US Census years (1910, 1920 and 1930) in Polk, Minnesota, using XGBoost record linkage. Identified parents: father Tosten Johnson (~0.92 confidence) and father Leonard Johnson (~0.92 confidence) and father Leonard Johnson (~0.92 confidence) and mother Bertha Johnson (~0.92 confidence) and mother Isabella Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Tosten Johnson
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Leonard Johnson
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Leonard Johnson
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Bertha Johnson
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Isabella Johnson
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mildred Johnson
Daughter · 1930 · age 21 · b. ~1909 · Minnesota
★ You are viewing this record
Sibling
Ada Johnson
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Johnson
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Johnson
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Polk, Minnesota
Open full size
1930 US Federal Census — Polk, Minnesota
Page Contents
50 people indexed on this census page (ia:1930:minnesotacensus00reel1112:0832)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Sawyer | 37 | Wife | — | Minnesota |
| 2 | Robert G. Sawyer | 15 | Son | — | Minnesota |
| 3 | Jean E. Sawyer | 5 | Daughter | — | Minnesota |
| 4 | Lloyd H. Sawyer | 2 | Son | — | Minnesota |
| 5 | Selma Sawyer | 70 | Mother | — | Norway |
| 6 | William Onions | 66 | Lodger | Clerk | England |
| 7 | John Gorman | 72 | Lodger | Laborer | New York |
| 8 | Jean N. Rapin | 84 | Head | Merchant | Canada French |
| 9 | Caroline H. Rapin | 79 | Wife | — | Canada French |
| 10 | Esther L. Byng | 17 | Servant | Servant | Minnesota |
| 11 | A. R. Huston | 75 | Lodger | Salesman | Vermont |
| 12 | Hester L. Rapin | 42 | Lodger | Manager | Minnesota |
| 13 | Leonard V. Johnson | 44 | Head | Laborer | Minnesota |
| 14 | Isabella J. Johnson | 45 | Wife | — | Minnesota |
| 15 | Mildred D. Johnson THIS PERSON | 21 | Daughter | Clerk | Minnesota |
| 16 | Hazel L. Johnson | 20 | Daughter | Teacher | Minnesota |
| 17 | Ada L. Johnson | 18 | Daughter | Clerk | Minnesota |
| 18 | Alice L. Johnson | 13 | Son | — | Minnesota |
| 19 | Max Erickson | 31 | Lodger | Mechanic | Minnesota |
| 20 | Annie Erickson | 70 | Head | — | Wisconsin |
| 21 | Nels Haugen | 64 | Head | Carpenter | Norway |
| 22 | Regina Haugen | 57 | Wife | — | Norway |
| 23 | Clifford C. Arneson | 26 | Head | Manager | North Dakota |
| 24 | Alma L. Arneson | 23 | Wife | Cashier | North Dakota |
| 25 | Arthur J. Marotte | 53 | Head | Manager | Minnesota |
| 26 | Delia M. Marotte | 52 | Wife | — | Minnesota |
| 27 | Louis H. Marotte | 26 | Son | Delivery Man | Minnesota |
| 28 | Irene A. Marotte | 17 | Daughter | — | Minnesota |
| 29 | Raymond A. Marotte | 9 | Son | — | Minnesota |
| 30 | Nels M. Solheim | 36 | Head | Laborer | Minnesota |
| 31 | Mary L. Solheim | 31 | Wife | — | Minnesota |
| 32 | Evelyn L. Solheim | 11 | Daughter | — | Minnesota |
| 33 | Marjorie L. Solheim | 9 | Daughter | — | Minnesota |
| 34 | Inga Stray | 59 | Head | — | Norway |
| 35 | Olena Sveften | 61 | Head | Dishwasher | Norway |
| 36 | Christ C. Peterson | 54 | Head | Laborer | Norway |
| 37 | Nelsina A. Peterson | 37 | Wife | — | Norway |
| 38 | Dagmar J. Peterson | 13 | Daughter | — | Minnesota |
| 39 | Clifford M. Peterson | 7 | Son | — | Minnesota |
| 40 | Lloyd A. Peterson | 4 | Son | — | Minnesota |
| 41 | Gottlieb L. Thiene | 45 | Head | — | Minnesota |
| 42 | Herbert R. Thiene | 24 | Son | Laborer | Minnesota |
| 43 | David A. Monoux | 71 | Father | Retired | Wisconsin |
| 44 | Alfred M. Bisin | 49 | Head | Conductor | Wisconsin |
| 45 | Anna J. Bisin | 51 | Wife | — | Wisconsin |
| 46 | Joseph C. De Mers | 57 | Head | Carpenter | Massachusetts |
| 47 | Mary De Mers | 53 | Wife | — | Canada French |
| 48 | William J. De Mers | 19 | Son | Laborer | Minnesota |
| 49 | Rose P. De Mers | 15 | Daughter | — | Minnesota |
| 50 | Nels P. Stensloek | 65 | Head | Funeral Director | Norway |
Related Census Records
Pedigree Summary
Mildred + 3 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)