RA
Robert Allen — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this Robert Allen across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed), with identified parents Robert & Nannie — first a son (b.~1923), then head of a 4-person household.
Age 17
b. ~1923
Male
Son
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Allen |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Birmingham City |
| Est. Birth Year | ~1923 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Hattie Walton | Daughter | — | 39 | ~1901 |
| Lenora Allen | Daughter | — | 19 | ~1921 |
| Robert Allen | Son | — | 17 | ~1923 |
| Nannie Rosa | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Jefferson, Alabama
Son, age
Jefferson, Alabama · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| 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 |
1930
Jefferson, Alabama
Son, age 9
Jefferson, Alabama · implied b. ~1921 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Georgia |
| Occupation | none |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Jefferson-County, Alabama
Son, age 17
Jefferson-County, Alabama · implied b. ~1923 — 4 household members
| Surname | Allen |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham City |
| 1935 Residence (County) | Jefferson |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 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 Allen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Allen (~0.92 confidence) and mother Nannie Rosa (~0.92 confidence) and mother Mary Allen (~0.92 confidence) and father Richard Allen (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Allen
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Nannie Rosa
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Mary Allen
b. ~1898
Source mother
● Household
· direct · ~0.92
Father
Richard Allen
b. ~1899
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert Allen
Son · 1940 · age 17 · b. ~1923 · Alabama
★ You are viewing this record
Sibling
Lenora Allen
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hattie Walton
Sibling · 1940 · age 39
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-t0627-00095-00321)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nannie Rosa | 52 | Wife | — | Alabama |
| 42 | Hattie Walton | 39 | Daughter | Maid | Alabama |
| 43 | Lenora Allen | 19 | Daughter | — | Alabama |
| 44 | Robert Allen THIS PERSON | 17 | Son | — | Alabama |
| 45 | Viola Ector | 47 | Head | — | Alabama |
| 46 | Arthur M Ector | 17 | Daughter | — | Alabama |
| 47 | Kinetta P Ector | 11 | Daughter | — | Alabama |
| 48 | Bruce Comar | 51 | Head | Machine Operator | Alabama |
| 49 | Emma Comar | 50 | Wife | — | Alabama |
| 50 | Rhoda Moore | 25 | Daughter | — | Alabama |
| 51 | Eugene Thomas | 54 | Head | Switchman | Alabama |
| 52 | Helen Thomas | 41 | Wife | — | Alabama |
| 53 | Frank J Sr Salerno | 37 | Head | Owner | Louisiana |
| 54 | Josephine C Salerno | 32 | Wife | Clerk | Alabama |
| 55 | Sam A Salerno | 13 | Son | — | Alabama |
| 56 | Frank J Jr Salerno | 10 | Son | — | Alabama |
| 57 | Mary J Salerno | 4 | Daughter | — | Alabama |
| 58 | Eliza F Green | 57 | Head | — | Alabama |
| 59 | Attie H Hall | 60 | Sister | — | Alabama |
| 60 | Frank Willis | 28 | Head | Moulder | Alabama |
| 61 | Minnie Willis | 31 | Wife | Washer Woman | Alabama |
| 62 | Rena C Moore | 57 | Mother-in-law | — | Alabama |
| 63 | Mary D Collins | 50 | Mother | — | Alabama |
| 64 | Lela Johnson | 37 | Sister | Maid | Alabama |
| 65 | Sidney Hudson | 53 | Head | Switchman | Alabama |
| 66 | Anna Hudson | 55 | Wife | — | Alabama |
| 67 | James Threadford | 14 | Nephew | — | Alabama |
| 68 | R S Sr Scarbrough | 28 | Head | Moulder | Alabama |
| 69 | Lennie M Scarbrough | 24 | Wife | — | Alabama |
| 70 | Dennis R Scarbrough | 2 | Son | — | Alabama |
| 71 | Lewis B Beard | 36 | Brother-in-law | Machine Operator | Alabama |
| 72 | Katie R Wilson | 24 | Sister-in-law | Maid | Alabama |
| 73 | Patricia Wilson | 10 | Niece | — | Alabama |
| 74 | Myrtle Wilson | 9 | Niece | — | Alabama |
| 75 | Jessie Wilson | 5 | Niece | — | Alabama |
| 76 | Isaac Sanders | 38 | Head | Laborer | Alabama |
| 77 | Mary Sanders | 36 | Wife | — | Alabama |
| 78 | Mary Sanders | 20 | Daughter | — | Alabama |
| 79 | Lloyd Sanders | 19 | Son | Delivery Boy | Alabama |
| 80 | Adeline Sanders | 16 | Daughter | — | Alabama |
Pedigree Summary
Robert + 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)