LJ
Lloyd Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Boone-County, Illinois
Our Model Tree links this Lloyd Johnson across the 1920, 1930 and 1940 US Censuses in Boone-County, Illinois (XGBoost, ~Confirmed), with identified parents Victor & Victor — first a son (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Boone-County, Illinois |
| Surname | Johnson |
| Given Name | Lloyd H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Belvidere City |
| 1935 Residence (County) | Boone |
| Additional Details | |
| Occupation | Clerk |
| Industry | National Bank |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1300 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Clerk |
| Township / Ward | Belvidere City |
| Est. Birth Year | ~1912 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lloyd | Age | Birth yr |
|---|---|---|---|---|
| Victor Johnson | Head | — | 68 | ~1872 |
| Lloyd Johnson | Son | — | 28 | ~1912 |
| Carrie Johnson | Spouse | — | 65 | ~1875 |
Census Appearances
1920
Boone, Illinois
Son, age 8
Boone, Illinois · implied b. ~1912 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lloyd H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Boone, Illinois
Son, age 18
Boone, Illinois · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lloyd |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Clerk |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Boone-County, Illinois
Son, age 28
Boone-County, Illinois · implied b. ~1912 — 3 household members
| Surname | Johnson |
| Given Name | Lloyd H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Belvidere City |
| 1935 Residence (County) | Boone |
| Occupation | Clerk |
| Industry | National Bank |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1300 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Lloyd Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Victor Johnson (~0.92 confidence) and father Victor Johnson (~0.92 confidence) and mother Carrie Johnson (~0.92 confidence) and mother Carrie Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Victor Johnson
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Victor Johnson
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Carrie Johnson
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Carrie Johnson
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lloyd Johnson
Son · 1940 · age 28 · b. ~1912 · Illinois
★ 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 — Boone-County, Illinois
Open full size
1940 US Federal Census — Boone-County, Illinois
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-00760-00013)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nellie G Buckman | 64 | Wife | — | Illinois |
| 42 | Glen P Fair | 44 | Son | Salesman | Illinois |
| 43 | Elayne J Fair | 42 | Daughter | — | Illinois |
| 45 | Ira Witter | 69 | Head | Laborer | Illinois |
| 46 | Emma Witter | 66 | Wife | — | Illinois |
| 47 | Victor Johnson | 68 | Head | — | Sweden |
| 48 | Carrie Johnson | 65 | Wife | — | Illinois |
| 49 | Lloyd H Johnson THIS PERSON | 28 | Son | Clerk | Illinois |
| 50 | Albin Johnson | 51 | Head | Tailor | Sweden |
| 51 | Tekla Johnson | 48 | Wife | Machine Operator | Sweden |
| 52 | Hugo Johnson | 21 | Son | Laborer | Illinois |
| 54 | William R Pratt | 39 | Head | Electrician | Illinois |
| 55 | Elsie F Pratt | 38 | Wife | — | Illinois |
| 56 | William Jr Pratt | 16 | Son | — | Illinois |
| 57 | Estill Bland Blake | 42 | Head | — | Illinois |
| 58 | Derwood Blake | 18 | Son | Stock Clerk | Illinois |
| 59 | Donald Blake | 17 | Son | New Worker | Illinois |
| 60 | Dale Blake | 14 | Son | — | Illinois |
| 61 | Doris Blake | 12 | Daughter | — | Illinois |
| 62 | Darwin Blake | 7 | Son | — | Illinois |
| 63 | Darlene Blake | 5 | Daughter | — | Illinois |
| 64 | David Blake | 3 | Son | — | Illinois |
| 65 | Derrell Blake | 1 | Son | — | Illinois |
| 66 | Boyd L Miller | 24 | Head | Machinist | Illinois |
| 67 | Helen F Miller | 21 | Wife | — | Illinois |
| 68 | Nels Swanson | 60 | Head | Laborer | Sweden |
| 69 | Sigrid Swanson | 56 | Wife | — | Sweden |
| 70 | Oscar Swanson | 22 | Son | Line-Man | Illinois |
| 71 | Levi Leroy Strawn | 66 | Head | Shipping Dept | Illinois |
| 72 | Dora Belle Strawn | 56 | Wife | — | Illinois |
| 73 | Stanley Beck | 48 | Head | Enameler | Poland |
| 74 | Nettie Beck | 45 | Wife | — | Poland |
| 75 | Jennie Beck | 19 | Daughter | Waitress | Wisconsin |
| 76 | Theodore J Beck | 14 | Son | — | Wisconsin |
| 78 | John M Burke | 50 | Head | Div. Superintendent + Manager | Illinois |
| 79 | Ruth L Burke | 44 | Wife | — | Illinois |
| 80 | Allen C Jukes | 42 | Head | Freight Conductor | Illinois |
Related Census Records
Pedigree Summary
Lloyd
Gen 1 · 4 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)