WJ
William Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this William Johnson across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Son
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Johnson |
| Given Name | William B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Adjustor |
| Industry | Electrical Corp |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1185 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Adjustor |
| Township / Ward | Birmingham City |
| 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 William | Age | Birth yr |
|---|---|---|---|---|
| Virginia Johnson | Daughter | — | 21 | ~1919 |
| Gray Johnson | Head | — | 53 | ~1887 |
| William Johnson | Son | — | 26 | ~1914 |
| Edward Johnson | Son | — | 18 | ~1922 |
Census Appearances
1920
Jefferson, Alabama
Son, age 6
Jefferson, Alabama · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | William B Jr |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Jefferson, Alabama
Son, age 16
Jefferson, Alabama · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | William B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Jefferson-County, Alabama
Son, age 26
Jefferson-County, Alabama · implied b. ~1914 — 4 household members
| Surname | Johnson |
| Given Name | William B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham City |
| 1935 Residence (County) | Jefferson |
| Occupation | Adjustor |
| Industry | Electrical Corp |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1185 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 William Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Johnson (~0.92 confidence) and father William Johnson (~0.92 confidence) and father Gray Johnson (~0.92 confidence) and mother Lucy Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Johnson
b. ~1883
Source father
● Household
· direct · ~0.92
Father
William Johnson
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Gray Johnson
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Lucy Johnson
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Johnson
Son · 1940 · age 26 · b. ~1914 · Alabama
★ You are viewing this record
Sibling
Edward Johnson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Johnson
Sibling · 1940 · age 21
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 — Jefferson-County, Alabama
Open full size
1940 US Federal Census — Jefferson-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00091-00573)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Newton Cannon | 29 | Head | Salesman | Tennessee |
| 2 | Martha G. Cannon | 25 | Wife | — | Alabama |
| 3 | Martha Jean Cannon | 3 | Daughter | — | — |
| 4 | Ethel B. Davis | 56 | Head | Assistant Checker | Alabama |
| 5 | Amanda S. Mcdaniels | 78 | Mother | — | Alabama |
| 6 | Grace B. Cannon | 49 | Head | Saleslady | Alabama |
| 7 | Ray Horrell | 33 | Head | Salesman | Alabama |
| 8 | Edwinnie G. Horrell | 28 | Wife | — | Alabama |
| 9 | Pearl Nix | 50 | Lodger | Cook | Kentucky |
| 10 | Walter B. Woodrow | 36 | Head | Auditor | Alabama |
| 11 | Elizabeth S. Woodrow | 27 | Wife | Clerk | Alabama |
| 12 | Gray C. Johnson | 53 | Head | — | Alabama |
| 13 | William B. Johnson THIS PERSON | 26 | Son | Adjustor | Alabama |
| 14 | Virginia Johnson | 21 | Daughter | Stenographer General Office | Alabama |
| 15 | Edward R. Johnson | 18 | Son | — | Alabama |
| 16 | Charles F. Moore | 63 | Head | Inspector | Georgia |
| 17 | Pauline Moore | 50 | Wife | — | Alabama |
| 18 | Eugene W. Ivy | 29 | Son | Salesman | Mississippi |
| 19 | Terry C. Vartaman | 29 | Son-in-law | Salesman | Alabama |
| 20 | Louise Vartaman | 27 | Daughter | — | Mississippi |
| 21 | Terry Ann Vartaman | 2 | Granddaughter | — | — |
| 22 | Bernard Smith | 25 | Head | Mechanic | Alabama |
| 23 | Sarah Smith | 25 | Wife | — | Alabama |
| 24 | Douglas Kizziah | 27 | Brother-in-law | Mechanic | Mississippi |
| 25 | Josephine B. Shoemaker | 35 | Head | Stenographer | Tennessee |
| 26 | Gordon Shoemaker | 8 | Son | — | Alabama |
| 27 | Begin Block 66 Here Ends Block 65 | None | — | — | — |
| 28 | Mary R. B. Morris | 80 | Head | — | Ohio |
| 29 | Margaret Hickman | 46 | Daughter | Assistant | Alabama |
| 30 | Carroll P. Atchison | 32 | Head | Agent | Alabama |
| 31 | Bernice Atchison | 27 | Wife | — | Alabama |
| 32 | Calvin Franklin Butler | 25 | Head | Cement Finisher | Alabama |
| 33 | Grace S. Butler | 21 | Wife | — | Alabama |
| 34 | Frank Fowler | 69 | Head | Engineer | Alabama |
| 35 | Beulah Fowler | 63 | Wife | — | Tennessee |
| 36 | Sarah Sanford | 40 | Head | Boarders | Alabama |
| 37 | Flossie Sanford | 33 | Sister | Operator | Alabama |
| 38 | Viola D. Purvis | 30 | Sister | — | Alabama |
| 39 | Hugh V. Sanford | 31 | Brother | Barber | Alabama |
| 40 | Cloris Sanford | 19 | Niece | Office Manager | Alabama |
Pedigree Summary
William + 2 siblings
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)