RA
Robert Alexander — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Arkansas
Our Model Tree links this Robert Alexander across the 1930 and 1940 US Censuses in Jefferson-County, Arkansas (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 12-person household.
Age 10
b. ~1930
Male
Son
Born: Arkansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Arkansas |
| Surname | Alexander |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Arkansas |
| 1935 Residence (City) | Old River Twp. |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Field worker |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | No 1 |
| 1935 Residence | Same place |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
| Occupation | Field Worker |
| Township / Ward | Old River Twp |
| 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 |
|---|---|---|---|---|
| Berta Williams | Daughter | — | 24 | ~1916 |
| Coretta Alexander | Daughter | — | 17 | ~1923 |
| Queen Alexander | Daughter | — | 21 | ~1919 |
| Willie Alexander | Daughter | — | 13 | ~1927 |
| Columbus Alexander | Head | — | 45 | ~1895 |
| Earnest Alexander | Other | — | 1 | ~1939 |
| Otha Alexander | Son | — | 5 | ~1935 |
| Earnest Alexander | Son | — | 20 | ~1920 |
| Charles Alexander | Son | — | 7 | ~1933 |
| Robert Alexander | Son | — | 10 | ~1930 |
| Julius Alexander | Son | — | 2 | ~1938 |
| Larnie Alexander | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Jefferson, Arkansas
Son, age
Jefferson, Arkansas · implied b. ~1930 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Robert Lee |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 0 |
| Birthplace | Arkansas |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Arkansas |
| Occupation | none |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
1940
Jefferson-County, Arkansas
Son, age 10
Jefferson-County, Arkansas · implied b. ~1930 — 12 household members
| Surname | Alexander |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Arkansas |
| 1935 Residence (City) | Old River Twp. |
| 1935 Residence (County) | Jefferson |
| Occupation | Field worker |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | No 1 |
| 1935 Residence | Same place |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
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 Alexander across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Alexander
Son · 1940 · age 10 · b. ~1930 · Arkansas
★ You are viewing this record
Sibling
Julius Alexander
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Queen Alexander
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Alexander
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Coretta Alexander
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earnest Alexander
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Berta Williams
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Alexander
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Otha Alexander
Sibling · 1940 · age 5
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, Arkansas
Open full size
1940 US Federal Census — Jefferson-County, Arkansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00145-00469)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Helen Greer | 32 | Wife | Field Worker | Arkansas |
| 42 | Ora Lee Albert | 15 | Daughter | Field Worker | Arkansas |
| 43 | Columbus Alexander | 45 | Head | Farmer | Arkansas |
| 44 | Larnie Alexander | 40 | Wife | Field Worker | Arkansas |
| 45 | Queen Alexander | 21 | Daughter | Field Worker | Arkansas |
| 46 | Earnest Alexander | 20 | Son | Field Worker | Arkansas |
| 47 | Coretta Alexander | 17 | Daughter | Field Worker | Arkansas |
| 48 | Willie Alexander | 13 | Daughter | Field Worker | Arkansas |
| 49 | Robert Alexander THIS PERSON | 10 | Son | Field Worker | Arkansas |
| 50 | Charles A. Alexander | 7 | Son | — | Arkansas |
| 51 | Otha Alexander | 5 | Son | — | Arkansas |
| 52 | Julius Alexander | 2 | Son | — | Arkansas |
| 53 | Earnest Alexander | 1 | Grandson | — | Arkansas |
| 54 | Berta Lee Williams | 24 | Daughter | — | Arkansas |
| 55 | Jack Taylor | 44 | Head | Farmer | Arkansas |
| 56 | Alice Taylor | 38 | Wife | Field Worker | Arkansas |
| 57 | Mark Taylor | 11 | Daughter | — | Arkansas |
| 58 | Ananias Brown | 19 | Head | Laborer | Arkansas |
| 59 | Gertrude Brown | 19 | Wife | — | Arkansas |
| 60 | Junior Brown | None | Son | — | Arkansas |
| 61 | George Carlyle | 34 | Head | Farmer | Arkansas |
| 62 | Louisa Carlyle | 28 | Wife | Field Worker | Arkansas |
| 63 | Eddie Gibson | 40 | Head | Farmer | Mississippi |
| 64 | Vinnie Gibson | 31 | Wife | Field Worker | Arkansas |
| 65 | Jeff Gibson | 18 | Son | Field Worker | Arkansas |
| 66 | Robert Gibson | 17 | Son | Field Worker | Arkansas |
| 67 | Roosevelt Gibson | 15 | Son | Field Worker | Arkansas |
| 68 | George Gibson | 13 | Son | Field Worker | Arkansas |
| 69 | Mozell Gibson | 14 | Son | Field Worker | Arkansas |
| 70 | Leona Louis | 64 | Mother-in-law | — | Arkansas |
| 71 | Fred Mcdowell | 61 | Head | Farmer | Arkansas |
| 72 | Catherine Mcdowell | 28 | Wife | Field Worker | Arkansas |
| 73 | Dorothy Mcdowell | 11 | Daughter | Field Worker | Arkansas |
| 74 | Will Key | 44 | Head | Farmer | Arkansas |
| 75 | Florence Key | 42 | Wife | Field Worker | Arkansas |
| 76 | William Key | 20 | Son | Field Worker | Arkansas |
| 77 | Ruth Key | 17 | Daughter | Field Worker | Arkansas |
| 78 | Ruby Key | 15 | Daughter | Field Worker | Arkansas |
| 79 | Annie Key | 11 | Daughter | Field Worker | Arkansas |
| 80 | Katie Keaton | 71 | Mother-in-law | — | Mississippi |
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)