LJ
Lawrence Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Eau-Claire-County, Wisconsin
Our Model Tree links this Lawrence Johnson across the 1920, 1930 and 1940 US Censuses in Eau-Claire-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Anna & Arthur — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Eau-Claire-County, Wisconsin |
| Surname | Johnson |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Ludington Town |
| 1935 Residence (County) | Eau Claire |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 4 |
| Income (1939) | 388 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Laborer |
| Township / Ward | Ludington Town |
| Est. Birth Year | ~1918 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lawrence | Age | Birth yr |
|---|---|---|---|---|
| Lawrence Johnson | Son | — | 22 | ~1918 |
| Charles Johnson | Son | — | 27 | ~1913 |
| Alfred Johnson | Son | — | 25 | ~1915 |
| Irvin Johnson | Son | — | 25 | ~1915 |
| Anna Johnson | Spouse | — | 59 | ~1881 |
Census Appearances
1920
Eau Claire, …
Son, age 3
Eau Claire, Wisconsin · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Laurence |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Speaks English | none |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Eau Claire, …
Son, age 13
Eau Claire, Wisconsin · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Eau-Claire-County, Wisconsin
Son, age 22
Eau-Claire-County, Wisconsin · implied b. ~1918 — 5 household members
| Surname | Johnson |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Ludington Town |
| 1935 Residence (County) | Eau Claire |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 4 |
| Income (1939) | 388 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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: mother Anna Johnson (~0.92 confidence) and father Arthur Johnson (~0.92 confidence) and mother Edith Johnson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Anna Johnson
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
Arthur Johnson
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Edith Johnson
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lawrence Johnson
Son · 1940 · age 22 · b. ~1918 · Wisconsin
★ You are viewing this record
Sibling
Alfred Johnson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irvin Johnson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Johnson
Sibling · 1940 · age 27
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 — Eau-Claire-County, Wisconsin
Open full size
1940 US Federal Census — Eau-Claire-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04478-00093)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Johnson | 59 | Wife | — | Wisconsin |
| 2 | Charles Johnson | 27 | Son | Farmer | Wisconsin |
| 3 | Alfred Johnson | 25 | Son | Laborer | Wisconsin |
| 4 | Irvin Johnson | 25 | Son | Laborer | Wisconsin |
| 5 | Lawrence Johnson THIS PERSON | 22 | Son | Laborer | Wisconsin |
| 6 | Lester Lowman | 30 | Head | Farmer | Wisconsin |
| 7 | Elsie Lowman | 22 | Wife | — | Wisconsin |
| 8 | Lynn Lowman | 2 | Son | — | — |
| 9 | Phillip Lowman | 1 | Son | — | — |
| 10 | Roy Albridge | 42 | Head | Laborer | Wisconsin |
| 11 | Mary Albridge | 37 | Wife | — | Wisconsin |
| 12 | Betty Albridge | 14 | Daughter | — | Wisconsin |
| 13 | Beverly Albridge | 12 | Daughter | — | Wisconsin |
| 14 | Arthur Albridge | 10 | Son | — | Wisconsin |
| 15 | Donald Albridge | 8 | Son | — | Wisconsin |
| 16 | Billy Albridge | 7 | Son | — | Wisconsin |
| 17 | Ida Albridge | 65 | Head | — | Wisconsin |
| 18 | Vera Albridge | 31 | Daughter | — | Wisconsin |
| 19 | Wm Klatt | 62 | Head | Salesman | Wisconsin |
| 20 | Eric Klatt | 33 | Son | Salesman | Wisconsin |
| 21 | Olga Klatt | 52 | Wife | — | Wisconsin |
| 22 | Rudolph Janke | 39 | Head | Farmer | Wisconsin |
| 23 | Alma Janke | 36 | Wife | — | Wisconsin |
| 24 | Lillian Janke | 12 | Daughter | — | Wisconsin |
| 25 | Cleo Janke | 12 | Son | — | Wisconsin |
| 26 | Cecil Janke | 11 | Son | — | Wisconsin |
| 27 | Elvera Janke | 9 | Daughter | — | Wisconsin |
| 28 | Wayne Janke | 5 | Son | — | — |
| 29 | James Janke | 2 | Son | — | — |
| 30 | Charles Janke | 38 | Head | Laborer | Wisconsin |
| 31 | Ella Janke | 32 | Wife | — | Wisconsin |
| 32 | Edith Janke | 5 | Daughter | — | — |
| 33 | Geraldine Janke | 4 | Daughter | — | — |
| 34 | Charlie Janke | 3 | Son | — | — |
| 35 | Gordon Janke | 1 | Son | — | — |
| 36 | Jerry Green | 39 | Head | Laborer | Wisconsin |
| 37 | Loretta Green | 32 | Wife | — | Wisconsin |
| 38 | Kenneth Green | 10 | Son | — | Wisconsin |
| 39 | Laverne Green | 7 | Son | — | Wisconsin |
| 40 | Lois Ann Green | 5 | Daughter | — | — |
Pedigree Summary
Lawrence + 3 siblings
Gen 1 · 3 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)