RJ
Ronald Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this Ronald Johnson across the 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed) — first a head (b.~1911), then head of a 3-person household.
Age 29
b. ~1911
Male
Head
Born: Georgia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Johnson |
| Given Name | Ronald L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Birmingham |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Craneman |
| Industry | Steel Plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same Place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Craneman |
| Township / Ward | Birmingham |
| Est. Birth Year | ~1911 |
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 Ronald | Age | Birth yr |
|---|---|---|---|---|
| David Johnson | Son | — | 1 | ~1939 |
| Tabitha Johnson | Spouse | — | 24 | ~1916 |
| Ronald Johnson | Head | — | 29 | ~1911 |
Census Appearances
1930
Jefferson, Alabama
Son, age 19
Jefferson, Alabama · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ronald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Carbuilder |
| Industry | Pullman plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Jefferson-County, Alabama
Head, age 29
Jefferson-County, Alabama · implied b. ~1911 — 3 household members
| Surname | Johnson |
| Given Name | Ronald L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Birmingham |
| 1935 Residence (County) | Jefferson |
| Occupation | Craneman |
| Industry | Steel Plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same Place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 Ronald Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ronald Johnson
Head · 1940 · age 29 · b. ~1911 · Alabama
★ 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 — Jefferson-County, Alabama
Open full size
1940 US Federal Census — Jefferson-County, Alabama
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00098-00845)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Wilbert Thompson | 20 | Son | Clerk | Alabama |
| 42 | Mary E. Thompson | 19 | Daughter | Saleslady | Alabama |
| 43 | Laura Fay Thompson | 17 | Daughter | — | Alabama |
| 44 | Peggy Thompson | 7 | Daughter | — | Alabama |
| 46 | William A. James | 43 | Head | Minister | England |
| 47 | Sarah R. James | 30 | Wife | Secretary | Georgia |
| 48 | William A. Jr. James | 2 | Son | — | Alabama |
| 49 | Thomas R. Macon | 32 | Head | Furnace Helper | Alabama |
| 50 | Ruth C. Macon | 27 | Wife | — | Alabama |
| 51 | Thomas R. Macon | 8 | Son | — | Alabama |
| 52 | Carolyn M. Macon | 3 | Daughter | — | Alabama |
| 53 | Ronald L. Johnson THIS PERSON | 29 | Head | Craneman | Georgia |
| 54 | Tabitha L. Johnson | 24 | Wife | — | Alabama |
| 55 | David Lee Johnson | 1 | Son | — | Alabama |
| 56 | Robert D. Reid | 27 | Head | Assembler | Alabama |
| 57 | Annie Reid | 22 | Wife | Billing Clerk | Alabama |
| 58 | J. L. Martin | 53 | Head | Laborer Foreman | Mississippi |
| 59 | Tester Martin | 52 | Wife | — | Alabama |
| 60 | Bill Martin | 14 | Son | — | Alabama |
| 61 | Don Martin | 11 | Son | — | Alabama |
| 62 | Ray Martin | 22 | Son | Craneman | Alabama |
| 63 | Earnestine Martin | 21 | Daughter-in-law | — | Alabama |
| 64 | Louis Dousack | 32 | Head | Ruffer | Alabama |
| 65 | Fannie M. Dousack | 32 | Wife | — | Alabama |
| 66 | John C. Dousack | 11 | Son | — | Alabama |
| 67 | Fred G. Dousack | 10 | Son | — | Alabama |
| 68 | Earl E. Dousack | 8 | Son | — | Alabama |
| 69 | Baptiste Leveque | 54 | Head | Utility Man (City) | France |
| 70 | Augustine A. Leveque | 56 | Wife | — | Kansas |
| 71 | Charles Dousack | 57 | Head | Boiler Fireman | Pennsylvania |
| 72 | Nancy Dousack | 51 | Wife | — | Missouri |
| 73 | Alex Reid | 32 | Son-in-law | Cooper | Alabama |
| 74 | Mary Reid | 31 | Daughter | — | Alabama |
| 75 | Nancy Sue Reid | 2 | Granddaughter | — | Alabama |
| 76 | Ross D. Callaway | 34 | Head | Bragger Tin Plate Mill | Alabama |
| 77 | Tina Callaway | 30 | Wife | — | Alabama |
| 78 | Harry King | 40 | Head | Roller | Indiana |
| 79 | Margaret King | 32 | Wife | — | Alabama |
| 80 | Harry King | 11 | Son | — | Alabama |
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)