LJ
Lawrence Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Polk-County, Minnesota
Our Model Tree links this Lawrence Johnson across the 1920, 1930 and 1940 US Censuses in Polk-County, Minnesota (XGBoost, ~Confirmed), with identified parents Andrew & Millie — first a head (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Minnesota |
| Surname | Johnson |
| Given Name | Lawrence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Sullivan Twp |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm Industry |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Farmer |
| Township / Ward | Sullivan Twp |
| Est. Birth Year | ~1914 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lawrence | Age | Birth yr |
|---|---|---|---|---|
| Doris Johnson | Daughter | — | 2 | ~1938 |
| Darlene Johnson | Daughter | — | 5 | ~1935 |
| Lawrence Johnson | Head | — | 26 | ~1914 |
| Bernice Johnson | Spouse | — | 27 | ~1913 |
Census Appearances
1920
Polk, Minnesota
Son, age 5
Polk, Minnesota · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lorence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | North Dakota |
| Mother's Birthplace | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Polk, Minnesota
Son, age 15
Polk, Minnesota · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lawrence L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | North Dakota |
| Mother's Birthplace | Minnesota |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Polk-County, Minnesota
Head, age 26
Polk-County, Minnesota · implied b. ~1914 — 4 household members
| Surname | Johnson |
| Given Name | Lawrence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Sullivan Twp |
| 1935 Residence (County) | Polk |
| Occupation | Farmer |
| Industry | Farm Industry |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 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 Lawrence Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Andrew Johnson (~0.92 confidence) and mother Millie Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Johnson
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Millie Johnson
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lawrence Johnson
Head · 1940 · age 26 · b. ~1914 · Minnesota
★ You are viewing this record
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-t0627-01949-01069)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lloyd Peterson | 14 | Son | — | Minnesota |
| 42 | Jean Peterson | 12 | Daughter | — | Minnesota |
| 43 | Helmer Horken | 64 | Head | Farmer | Iowa |
| 44 | Martha Horken | 58 | Wife | — | Norway |
| 45 | Arnold Horken | 28 | Son | Farmer | Minnesota |
| 46 | Harold Horken | 27 | Son | Farmer | Minnesota |
| 47 | Clifford Horken | 20 | Son | Laborer | Minnesota |
| 48 | Helen Horken | 14 | Daughter | — | Minnesota |
| 49 | Severud Mostad | 41 | Head | Farmer | North Dakota |
| 50 | Emma Mostad | 29 | Wife | — | Minnesota |
| 51 | Newell Mostad | 16 | Son | Laborer | Minnesota |
| 52 | Roma Mostad | 12 | Daughter | — | North Dakota |
| 53 | Dewey Mostad | 10 | Son | — | North Dakota |
| 54 | Ray Clodry | 41 | Hired hand | Laborer | Iowa |
| 55 | Victor Jacobson | 47 | Head | Farmer | Minnesota |
| 56 | Mathilda Jacobson | 45 | Wife | — | Minnesota |
| 57 | Herman Jacobson | 17 | Son | Laborer | Minnesota |
| 58 | Vivian Jacobson | 15 | Daughter | — | Minnesota |
| 59 | Clarice Jacobson | 13 | Daughter | — | Minnesota |
| 60 | Delores Jacobson | 10 | Daughter | — | Minnesota |
| 61 | John Engebrigt | 65 | Hired hand | Laborer | Norway |
| 62 | Lawrence Johnson THIS PERSON | 26 | Head | Farmer | Minnesota |
| 63 | Bernice Johnson | 27 | Wife | — | Minnesota |
| 64 | Darlene Johnson | 5 | Daughter | — | Minnesota |
| 65 | Doris Johnson | 2 | Daughter | — | Minnesota |
| 66 | Hjalmer Thureen | 47 | Head | Farmer | North Dakota |
| 67 | Amanda Thureen | 39 | Wife | — | Minnesota |
| 68 | Arris Thureen | 5 | Son | — | Minnesota |
| 69 | Harley Thureen | 1 | Son | — | Minnesota |
| 70 | Alma Morrison | 34 | Sister in law | Maid Girl | Minnesota |
| 71 | Clarence Banyard | 35 | Hired hand | Laborer | Minnesota |
| 72 | Thomas Onneland | 52 | Head | Farmer | Minnesota |
| 73 | Emma Onneland | 67 | Wife | — | Wisconsin |
| 74 | Vernon Onneland | 31 | Son | Laborer | Minnesota |
| 75 | Oscar Onneland | 21 | Son | Laborer | Minnesota |
| 76 | Alma Shultz | 29 | Hired girl | Maid Girl | Minnesota |
| 77 | Rudolph Monarek | 52 | Head | Farmer | Minnesota |
| 78 | Mary Monarek | 56 | Wife | — | Czecho-Slovakia |
| 79 | Elsie Monarek | 18 | Daughter | — | Minnesota |
| 80 | Leonard Monarek | 13 | Son | — | Minnesota |
Pedigree Summary
Lawrence
Gen 1 · 2 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)