EJ
Emil Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Minnesota
Our Model Tree links this Emil Johnson across the 1910, 1920, 1930 and 1940 US Censuses in Polk-County, Minnesota (XGBoost, ~Confirmed), with identified parents Halvor & Gunhild — first a son (b.~1909), then head of a 6-person household.
Age 31
b. ~1909
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Minnesota |
| Surname | Johnson |
| Given Name | Emil |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Knute Township |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Farm worker |
| Industry | Farm |
| Class of Worker | W |
| Hours Worked | 70 |
| Income (1939) | 888 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Farm Worker |
| Township / Ward | Knute Township |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Emil | Age | Birth yr |
|---|---|---|---|---|
| Hocka Johnson | Head | — | 87 | ~1853 |
| Albert Johnson | Son | — | 36 | ~1904 |
| Theodore Johnson | Son | — | 33 | ~1907 |
| Carl Johnson | Son | — | 29 | ~1911 |
| Gunhild Johnson | Spouse | — | 69 | ~1871 |
| Emil Johnson | Son | — | 31 | ~1909 |
Census Appearances
1910
Polk, Minnesota
Son, age 1
Polk, Minnesota · implied b. ~1909 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Emil H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Polk, Minnesota
Son, age 11
Polk, Minnesota · implied b. ~1909 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Emil |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Polk, Minnesota
Son, age 21
Polk, Minnesota · implied b. ~1909 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Emil |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Polk-County, Minnesota
Son, age 31
Polk-County, Minnesota · implied b. ~1909 — 6 household members
| Surname | Johnson |
| Given Name | Emil |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Knute Township |
| 1935 Residence (County) | Polk |
| Occupation | Farm worker |
| Industry | Farm |
| Class of Worker | W |
| Hours Worked | 70 |
| Income (1939) | 888 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| 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 Emil Johnson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Halvor Johnson (~0.92 confidence) and mother Gunhild Johnson (~0.92 confidence) and father Halvor Johnson (~0.92 confidence) and father Hocka Johnson (~0.92 confidence) and mother Gunhild Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Halvor Johnson
b. ~1844
Source father
● Household
· direct · ~0.92
Mother
Gunhild Johnson
b. ~1851
Source mother
● Household
· direct · ~0.92
Father
Halvor Johnson
b. ~1853
Source father
● Household
· direct · ~0.92
Father
Hocka Johnson
b. ~1853
Source father
● Household
· direct · ~0.92
Mother
Gunhild Johnson
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Emil Johnson
Son · 1940 · age 31 · b. ~1909 · Minnesota
★ You are viewing this record
Sibling
Albert Johnson
Sibling · 1940 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Johnson
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Johnson
Sibling · 1940 · age 29
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
1940 US Federal Census — Polk-County, Minnesota
Open full size
1940 US Federal Census — Polk-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01949-00834)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marvin Benson | 28 | Son | Farm Worker | Minnesota |
| 2 | Arnold Benson | 25 | Son | Farm Worker | Minnesota |
| 3 | John Benson | 19 | Son | Carpenter | Minnesota |
| 4 | Harriet Benson | 17 | Daughter | Typist | Minnesota |
| 5 | Violet Benson | 14 | Daughter | — | Minnesota |
| 6 | Delores Benson | 11 | Daughter | — | Minnesota |
| 7 | John O. Bang | 60 | Head | Farmer | Norway |
| 8 | Hanna Bang | 64 | Wife | — | Norway |
| 9 | Hocka Johnson | 87 | Head | — | Norway |
| 10 | Gunhild Johnson | 69 | Wife | — | Norway |
| 11 | Albert Johnson | 36 | Son | Farm Worker | Minnesota |
| 12 | Theodore Johnson | 33 | Son | Farm Worker | Minnesota |
| 13 | Emil Johnson THIS PERSON | 31 | Son | Farm Worker | Minnesota |
| 14 | Carl Johnson | 29 | Son | Farm Worker | Minnesota |
| 15 | Roy Hole | 28 | Head | Manager | Minnesota |
| 16 | Varda Hole | 26 | Wife | — | Minnesota |
| 17 | Douglas Hole | 4 | Son | — | Minnesota |
| 18 | Rodger Hole | 2 | Son | — | Minnesota |
| 19 | Virginia Hole | 0 | Daughter | — | Minnesota |
| 20 | Anton Buchenhagen | 46 | Head | Farmer | Minnesota |
| 21 | Nora Buchenhagen | 42 | Wife | — | Minnesota |
| 22 | Leroy Buchenhagen | 15 | Son | Hardware | Canada |
| 23 | Valling Verna Buchenhagen | 16 | Daughter | — | Minnesota |
| 24 | Gail Joel Buchenhagen | 14 | Son | — | Minnesota |
| 25 | Bertin Buchen Buchenhagen | 13 | Son | — | Minnesota |
| 26 | Ephra Leda Buchenhagen | 10 | Daughter | — | Minnesota |
| 27 | Marlys Ione Buchenhagen | 8 | Daughter | — | Minnesota |
| 28 | Ines Marilyn Buchenhagen | 7 | Daughter | — | Minnesota |
| 29 | Naomi Ruth Buchenhagen | 5 | Daughter | — | Minnesota |
| 30 | Alfroy Conwayne Buchenhagen | 4 | Son | — | Minnesota |
| 31 | Lola Maylee Buchenhagen | 3 | Daughter | — | Minnesota |
| 32 | Ione Lenore Buchenhagen | 1 | Daughter | — | Minnesota |
| 33 | Garnetine Patchin | 25 | Lodger | Postmaster | Norway |
| 34 | John O. Westad | 81 | Head | Farmer | Norway |
| 35 | Inge G. Westad | 82 | Wife | — | Norway |
| 36 | Barney M. Burke | 37 | Head | Farmer | Minnesota |
| 37 | Catherine Burke | 75 | Mother | — | Norway |
| 38 | Steven Larson | 31 | Laborer | Farm Worker | N. Dakota |
| 39 | Gunder Wallens | 33 | Head | Farmer | Minnesota |
| 40 | Alice Wallens | 30 | Wife | — | Minnesota |
Related Census Records
Pedigree Summary
Emil + 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 1940 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)