RC
Ruby Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this Ruby Clark across the 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed) — first a spouse (b.~1907), then head of a 7-person household.
Age 33
b. ~1907
Female
Spouse
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Clark |
| Given Name | Ruby |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Walker |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 7 |
| 1935 Residence | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Precinct 30 |
| Est. Birth Year | ~1907 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruby | Age | Birth yr |
|---|---|---|---|---|
| Betty Clark | Daughter | — | 10 | ~1930 |
| Martha Clark | Daughter | — | 2 | ~1938 |
| Frank Clark | Son | — | 13 | ~1927 |
| Ruby Clark | Spouse | — | 33 | ~1907 |
| Mary Clark | Daughter | — | 15 | ~1925 |
| Frank Clark | Head | — | 38 | ~1902 |
| Evelyn Clark | Daughter | — | 4 | ~1936 |
Census Appearances
1930
Jefferson, Alabama
Spouse, age 24
Jefferson, Alabama · implied b. ~1906 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Ruby |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 21 |
| 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
Spouse, age 33
Jefferson-County, Alabama · implied b. ~1907 — 7 household members
| Surname | Clark |
| Given Name | Ruby |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Walker |
| Class of Worker | 0 |
| Highest Grade | 7 |
| 1935 Residence | Alabama |
| 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 Ruby Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruby Clark
Spouse · 1940 · age 33 · b. ~1907 · Alabama
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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-t0627-00045-00463)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Henry Howard Haun | 10 | Son | — | Alabama |
| 42 | Pearl Haun | 9 | Daughter | — | Alabama |
| 43 | Doris Haun | 6 | Daughter | — | Alabama |
| 44 | Selma Haun | 3 | Daughter | — | Alabama |
| 45 | William O. Vincent | 44 | Head | Farmer | Alabama |
| 46 | Martha Helen Vincent | 41 | Wife | — | Alabama |
| 47 | W. D. Jr. Vincent | 17 | Son | Butcher | Alabama |
| 48 | Sarah Helen Vincent | 16 | Daughter | — | Alabama |
| 49 | Martha Vincent | 14 | Daughter | — | Alabama |
| 50 | Lyndy Marie Vincent | 12 | Daughter | — | Alabama |
| 51 | Hattie Armstrong | 50 | Head | — | Alabama |
| 52 | James Troy Armstrong | 23 | Son | Miner | Alabama |
| 53 | Marie Armstrong | 21 | Daughter-in-law | — | Alabama |
| 54 | Martha Armstrong | 17 | Daughter-in-law | — | Alabama |
| 55 | Carlton Armstrong | 16 | Son | — | Alabama |
| 56 | Alice Armstrong | 13 | Daughter | — | Alabama |
| 57 | R. W. Hill | 37 | Head | Miner | Alabama |
| 58 | Inez Hill | 18 | Wife | — | Alabama |
| 59 | W. A. Franklin | 29 | Head | Brakeman | Alabama |
| 60 | Nedic Franklin | 21 | Wife | — | Alabama |
| 61 | Sidney Ray Franklin | 5 | Son | — | Alabama |
| 62 | Roy Franklin | 4 | Son | — | Alabama |
| 63 | Billy Ray Franklin | 2 | Son | — | Alabama |
| 64 | Floridian Franklin | 0 | Daughter | — | Alabama |
| 65 | Lishie Punchfield | 55 | Head | — | Alabama |
| 66 | Cecil Punchfield | 30 | Son | Loader | Alabama |
| 67 | Marvin Horton | 34 | Head | Miner | Alabama |
| 68 | Pearl Horton | 33 | Wife | — | Alabama |
| 69 | Evelyn Horton | 11 | Daughter | — | Alabama |
| 70 | Daniel Horton | 6 | Son | — | Alabama |
| 71 | Frank Clark | 38 | Head | Miner | Alabama |
| 72 | Ruby Clark THIS PERSON | 33 | Wife | — | Alabama |
| 73 | Mary Esther Clark | 15 | Daughter | — | Alabama |
| 74 | Frank Jr. Clark | 13 | Son | — | Alabama |
| 75 | Betty Jean Clark | 10 | Daughter | — | Alabama |
| 76 | Evelyn Clark | 4 | Daughter | — | Alabama |
| 77 | Martha Ann Clark | 2 | Daughter | — | Alabama |
| 78 | O. H. Crane | 37 | Head | Fireman | Alabama |
| 79 | Eloise Crane | 37 | Wife | — | 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)