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Robert Bailey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Shelby-County, Alabama
Our Model Tree links this Robert Bailey across the 1930 and 1940 US Censuses in Shelby-County, Alabama (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 12-person household.
Age 10
b. ~1930
Male
Son
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Shelby-County, Alabama |
| Surname | Bailey |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Precinct 7 |
| 1935 Residence (County) | Shelby |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Precinct 7 |
| Est. Birth Year | ~1930 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Louise Bailey | Daughter | — | 16 | ~1924 |
| Alma Bailey | Daughter | — | 12 | ~1928 |
| Lerna Bailey | Daughter | — | 17 | ~1923 |
| Eloise Bailey | Daughter | — | 4 | ~1936 |
| Helen Bailey | Daughter | — | 1 | ~1939 |
| Millie Bailey | Daughter | — | 7 | ~1933 |
| Edna Bailey | Daughter | — | 9 | ~1931 |
| Thomas Bailey | Head | — | 43 | ~1897 |
| Robert Bailey | Son | — | 10 | ~1930 |
| William Bailey | Son | — | 14 | ~1926 |
| Cecil Bailey | Son | — | 20 | ~1920 |
| Myrtle Bailey | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Shelby, Alabama
Son, age
Shelby, Alabama · implied b. ~1930 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bailey |
| Given Name | Robert A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Shelby-County, Alabama
Son, age 10
Shelby-County, Alabama · implied b. ~1930 — 12 household members
| Surname | Bailey |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Precinct 7 |
| 1935 Residence (County) | Shelby |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| 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 Robert Bailey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Bailey
Son · 1940 · age 10 · b. ~1930 · Alabama
★ You are viewing this record
Sibling
William Bailey
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Bailey
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eloise Bailey
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecil Bailey
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lerna Bailey
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alma Bailey
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Millie Bailey
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Bailey
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Bailey
Sibling · 1940 · age 9
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 — Shelby-County, Alabama
Open full size
1940 US Federal Census — Shelby-County, Alabama
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00079-00408)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Earl E. Campbell | 38 | Head | Well Driller | Alabama |
| 2 | Venie Campbell | 41 | Wife | — | Alabama |
| 3 | Charles Campbell | 15 | Son | — | Alabama |
| 4 | Grace Campbell | 13 | Daughter | — | Alabama |
| 5 | James Earl Campbell | 11 | Son | — | Alabama |
| 6 | Lula Jane Campbell | 9 | Daughter | — | Alabama |
| 7 | James F. Q. Butler | 63 | Head | — | Alabama |
| 8 | Martha J. Butler | 74 | Wife | — | Alabama |
| 9 | Marion J. Butler | 37 | Son | Cloth Hand | Alabama |
| 10 | Madge Butler | 35 | Daughter-in-law | — | Alabama |
| 11 | Madine Butler | 9 | Granddaughter | — | Alabama |
| 12 | David Butler | 5 | Grandson | — | Alabama |
| 13 | Jimmie D. Spain | 31 | Head | Laborer | Alabama |
| 14 | Nellie Spain | 26 | Wife | — | Alabama |
| 15 | Jimmie D. Jr. Spain | 12 | Son | — | Alabama |
| 16 | Janice Spain | 10 | Daughter | — | Alabama |
| 17 | Thelma Spain | 9 | Daughter | — | Alabama |
| 18 | Mattie Spain | 6 | Daughter | — | Alabama |
| 19 | J. C. Spain | 3 | Son | — | Alabama |
| 20 | Ollie Mae Spain | 1 | Daughter | — | Alabama |
| 21 | James A. Butler | 37 | Head | — | Alabama |
| 22 | Mary Ruth Butler | 26 | Wife | Run Warpers | Alabama |
| 23 | Thomas M. Bailey | 43 | Head | Cloth Room | Alabama |
| 24 | Myrtle L. Bailey | 44 | Wife | — | Alabama |
| 25 | Cecil Bailey | 20 | Son | Weave Rolls | Alabama |
| 26 | Lerna Bailey | 17 | Daughter | — | Alabama |
| 27 | Louise Bailey | 16 | Daughter | — | Alabama |
| 28 | William Bailey | 14 | Son | — | Alabama |
| 29 | Alma Bailey | 12 | Daughter | — | Alabama |
| 30 | Robert Bailey THIS PERSON | 10 | Son | — | Alabama |
| 31 | Edna Bailey | 9 | Daughter | — | Alabama |
| 32 | Millie Mae Bailey | 7 | Daughter | — | Alabama |
| 33 | Eloise Lee Bailey | 4 | Daughter | — | Alabama |
| 34 | Helen V. Bailey | 1 | Daughter | — | Alabama |
| 35 | Chas. C. Butler | 56 | Head | Farmer | Alabama |
| 36 | Icie L. Butler | 55 | Wife | — | Alabama |
| 37 | Joseph A. Summerville | 49 | Head | Picker Room Man | Alabama |
| 38 | Cora Summerville | 36 | Wife | — | Alabama |
| 39 | Millie Summerville | 17 | Daughter | — | Alabama |
Related Census Records
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)