RS
Robert Summers — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this Robert Summers across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed), with identified parents Francis & Shadric — first a head (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Head
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Summers |
| Given Name | Robert F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Steel Mill |
| Industry | PW |
| Class of Worker | 1300 |
| Highest Grade | Hs 4 |
| 1935 Residence | 42 |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Steel Mill |
| Township / Ward | Birmingham 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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Norma Summers | Daughter | — | ~1940 | |
| Lillie Summers | Spouse | — | 19 | ~1921 |
| Robert Summers | Head | — | 28 | ~1912 |
Census Appearances
1920
Jefferson, Alabama
Son, age 7
Jefferson, Alabama · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Summers |
| Given Name | R. J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Jefferson, Alabama
Son, age 18
Jefferson, Alabama · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Summers |
| Given Name | Robert F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| 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
Head, age 28
Jefferson-County, Alabama · implied b. ~1912 — 3 household members
| Surname | Summers |
| Given Name | Robert F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (County) | Jefferson |
| Occupation | Steel Mill |
| Industry | PW |
| Class of Worker | 1300 |
| Highest Grade | Hs 4 |
| 1935 Residence | 42 |
| 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 Summers across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Francis Summers (~0.92 confidence) and father Shadric Summers (~0.92 confidence) and mother Lizzie Summers (~0.92 confidence) and mother Sadie Summers (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Francis Summers
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Shadric Summers
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Lizzie Summers
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Sadie Summers
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Summers
Head · 1940 · age 28 · b. ~1912 · 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
40 people indexed on this census page (nara:1940:m-t0627-00095-00325)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Betty G Neuman | 1 | Daughter | — | Alabama |
| 42 | Horace G Kellum | 37 | Head | Jewelry Co | Tennessee |
| 43 | Ruby L Kellum | 37 | Wife | — | Alabama |
| 44 | Grace W Kellum | 5 | Daughter | — | Alabama |
| 45 | Louie E Foster | 31 | Head | Iron Foundry | Alabama |
| 46 | Margaret T Foster | 30 | Wife | Bak. Bakery | Alabama |
| 47 | Patrick T Oslin | 21 | Brother-in-law | — | Alabama |
| 48 | Robert F Summers THIS PERSON | 28 | Head | Steel Mill | Alabama |
| 49 | Lillie D Summers | 19 | Wife | — | Alabama |
| 50 | Norma S Summers | 0 | Daughter | — | Alabama |
| 51 | Earl T Bullock | 24 | Head | Steel Co | Alabama |
| 52 | Eshael Bullock | 20 | Brother | — | Alabama |
| 53 | Mary C Bullock | 60 | Mother | — | Alabama |
| 54 | Ben B Scott | 56 | Head | Own Account | Georgia |
| 55 | Daisy I Scott | 54 | Wife | — | Kentucky |
| 56 | Waneda B Scott | 29 | Daughter | Wholesale Auto Supply | Arkansas |
| 57 | Dayton S Scott | 25 | Son | Carpenter Work | Arkansas |
| 58 | Henry A Naff | 47 | Brother-in-law | Printer | Alabama |
| 59 | Ella Gentry | 65 | Mother | — | Alabama |
| 60 | William P Drummond | 83 | Father | — | Alabama |
| 61 | Patsy L Litter | 9 | Daughter | — | Alabama |
| 62 | Edna F Baldwin | 17 | Daughter | — | Alabama |
| 63 | Bertha L Baldwin | 11 | Daughter | — | Alabama |
| 64 | Charley Wright | 10 | Son | — | Alabama |
| 65 | John E Nichols | 51 | Head | Steel Mfg Co | Mississippi |
| 66 | Bedie A Nichols | 51 | Wife | — | Mississippi |
| 67 | Leon H Nichols | 10 | Son | — | Alabama |
| 68 | James W Chapman | 35 | Head | Wholesale Drug Co | Alabama |
| 69 | Mary L Chapman | 33 | Wife | — | Alabama |
| 70 | Mary H Chapman | 12 | Daughter | — | Alabama |
| 71 | Eleanor M Chapman | 10 | Daughter | — | Alabama |
| 72 | Limmie W Chapman | 7 | Son | — | Alabama |
| 73 | Mann E Bowen | 49 | Head | Machine Shop | Alabama |
| 74 | Leda W Bowen | 45 | Wife | — | Alabama |
| 75 | Norman G Bowen | 27 | Son | Pattern Works | Alabama |
| 76 | Beatrice A Bowen | 20 | Daughter | — | Alabama |
| 77 | Sarah F Bowen | 19 | Daughter | — | Alabama |
| 78 | Thomas M Bowen | 15 | Son | — | Alabama |
| 79 | Martha S Bowen | 14 | Daughter | — | Alabama |
| 80 | Joseph R Bowen | 12 | Son | — | Alabama |
Pedigree Summary
Robert
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)