RS
Robert Simpson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Concordia-County, Louisiana
Our Model Tree links this Robert Simpson across the 1920, 1930 and 1940 US Censuses in Concordia-County, Louisiana (XGBoost, ~Confirmed), with identified parents Sam & Lizzie — first a son (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Son
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Concordia-County, Louisiana |
| Surname | Simpson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 5 |
| 1935 Residence (County) | Concordia |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 66 |
| Income (1939) | 185 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Farm Laborer |
| Township / Ward | Ward 5 |
| Est. Birth Year | ~1910 |
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 |
|---|---|---|---|---|
| Patterson Simpson | Head | — | 40 | ~1900 |
| Sada Simpson | Other | — | 28 | ~1912 |
| Robert Simpson | Son | — | 30 | ~1910 |
Census Appearances
1920
Concordia, Louisiana
Son, age 13
Concordia, Louisiana · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Farm laborer |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Concordia, Louisiana
Head, age 22
Concordia, Louisiana · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | Robt L |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 21 |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Louisiana |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Concordia-County, Louisiana
Son, age 30
Concordia-County, Louisiana · implied b. ~1910 — 3 household members
| Surname | Simpson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 5 |
| 1935 Residence (County) | Concordia |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 66 |
| Income (1939) | 185 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 Simpson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Sam Simpson (~0.92 confidence) and mother Lizzie Simpson (~0.92 confidence) and father Patterson Simpson (~0.60 confidence) and mother Pauline Simpson (~0.60 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.76
Father
Sam Simpson
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Lizzie Simpson
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
Patterson Simpson
b. ~1900
Source father
● Household
· direct · ~0.6
Mother
Pauline Simpson
b. ~1906
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Robert Simpson
Son · 1940 · age 30 · b. ~1910 · Louisiana
★ 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 — Concordia-County, Louisiana
Open full size
1940 US Federal Census — Concordia-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01394-00129)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mose D Lancaster | 39 | Head | Farmer | Mississippi |
| 42 | Mathilde Lancaster | 33 | Wife | — | Louisiana |
| 43 | Lois Lancaster | 15 | Daughter | — | Louisiana |
| 44 | Catherine Lancaster | 12 | Daughter | — | Louisiana |
| 45 | Jack Lancaster | 9 | Son | — | Louisiana |
| 46 | Ithal Jr Lancaster | 7 | Son | — | Louisiana |
| 47 | Cora Mills | 74 | Servant | Nurse | Mississippi |
| 48 | Willie Johnson | 40 | Head | Farmer | Mississippi |
| 49 | Sue Johnson | 38 | Wife | — | Louisiana |
| 50 | Noah Matthews | 55 | Head | Farmer | Louisiana |
| 51 | William Johnson | 46 | Head | Farmer | Louisiana |
| 52 | Corie Johnson | 14 | Wife | Cook | Louisiana |
| 53 | Arnt Mcmellon | 55 | Head | Farmer | Louisiana |
| 54 | Adeline Mcmellon | 50 | Wife | — | Louisiana |
| 55 | Abe Johnson | 60 | Head | Farmer | Louisiana |
| 56 | Bertha Johnson | 25 | Wife | — | Louisiana |
| 57 | Rufus Taylor | 23 | Head | Farmer | Louisiana |
| 58 | Eloise Taylor | 20 | Wife | Laundress | Louisiana |
| 59 | Dan Haskins | 55 | Head | Farmer | Mississippi |
| 60 | Mose Strong | 26 | Head | Farmer | Louisiana |
| 61 | Mary Strong | 25 | Wife | — | Louisiana |
| 62 | Mose Jr Strong | 13 | Son | — | Louisiana |
| 63 | Robert Young | 29 | Head | Farm Laborer | Louisiana |
| 64 | Roxie Hamilton | 61 | Grandmother | — | Louisiana |
| 65 | Patterson Simpson | 40 | Head | Farm Laborer | Louisiana |
| 66 | Robert Simpson THIS PERSON | 30 | Son | Farm Laborer | Louisiana |
| 67 | Sada Simpson | 28 | Daughter-in-law | — | Louisiana |
| 68 | Caroline Lewis | 12 | Head | — | Louisiana |
| 69 | Mary Guigo | 45 | Head | Farm Laborer | Louisiana |
| 70 | Mose Kelso | 29 | Head | Farmer | Louisiana |
| 71 | Dellie Kelso | 28 | Wife | — | Louisiana |
| 72 | James Kelso | 11 | Son | — | Louisiana |
| 73 | Ed Brown | 53 | Head | Farmer | Louisiana |
| 74 | Hattie Brown | 52 | Wife | — | Louisiana |
| 75 | Lewis Brown | 21 | Son | Farm Laborer | Louisiana |
| 76 | Ed Jr Brown | 18 | Son | Farm Laborer | Louisiana |
| 77 | Nell Brown | 8 | Daughter | — | Louisiana |
| 78 | Zimmie Beasley | 22 | Head | Farm Laborer | Louisiana |
| 79 | Lucille Beasley | 19 | Wife | — | Louisiana |
| 80 | Josephine Jackson | 28 | Head | Farm Laborer | Mississippi |
Pedigree Summary
Robert
Gen 1 · 4 parents
~0.76
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)