RN
Robert Nichols — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lamar-County, Texas
Our Model Tree links this Robert Nichols across the 1920, 1930 and 1940 US Censuses in Lamar-County, Texas (XGBoost, ~Confirmed), with identified parents Robert & Martha — first a head (b.~1902), then head of a 6-person household.
Age 38
b. ~1902
Male
Head
Born: Texas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lamar-County, Texas |
| Surname | Nichols |
| Given Name | Robert T |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | Precinct 4 |
| 1935 Residence (County) | Lamar |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Farmer |
| Township / Ward | Precinct 4 |
| Est. Birth Year | ~1902 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Thomas Nichols | Son | — | 2 | ~1938 |
| Robert Nichols | Head | — | 38 | ~1902 |
| Sunie Mathis | Other | — | 76 | ~1864 |
| Daisy Nichols | Spouse | — | 26 | ~1914 |
| Paul Mathis | Other | — | 36 | ~1904 |
| Wanda Nichols | Daughter | — | 4 | ~1936 |
Census Appearances
1920
Lamar, Texas
Son, age 18
Lamar, Texas · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Laborer |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Lamar, Texas
Son, age 28
Lamar, Texas · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Lamar-County, Texas
Head, age 38
Lamar-County, Texas · implied b. ~1902 — 6 household members
| Surname | Nichols |
| Given Name | Robert T |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | Precinct 4 |
| 1935 Residence (County) | Lamar |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 Nichols across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Nichols (~0.92 confidence) and mother Martha Nichols (~0.92 confidence) and mother Susie Nichols (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Nichols
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Martha Nichols
b. ~1865
Source mother
● Household
· direct · ~0.92
Mother
Susie Nichols
b. ~1865
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Nichols
Head · 1940 · age 38 · b. ~1902 · Texas
★ 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 — Lamar-County, Texas
Open full size
1940 US Federal Census — Lamar-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04090-00186)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James R Foster | 50 | Head | Farmer | Arkansas |
| 2 | Ethel Foster | 47 | Wife | — | Arkansas |
| 3 | Dorothy Foster | 20 | Daughter | House | Texas |
| 4 | Wilma Foster | 16 | Daughter | — | Texas |
| 5 | Denzill Foster | 14 | Son | — | Texas |
| 6 | Dale Foster | 11 | Son | — | Texas |
| 7 | Arthur R Veteto | 51 | Head | Carpenter | Tennessee |
| 8 | Myrtle Veteto | 44 | Wife | — | Texas |
| 9 | Vincent Veteto | 21 | Son | Labour | Texas |
| 10 | Robert R Calton | 45 | Head | — | Texas |
| 11 | Wanda Fay Calton | 15 | Daughter | — | Texas |
| 12 | Jim W Gossett | 51 | Head | Farmer | Texas |
| 13 | Maude Gossett | 42 | Wife | — | Texas |
| 14 | Ralph Gossett | 17 | Son | — | Texas |
| 15 | Eldia Gossett | 13 | Daughter | — | Texas |
| 16 | Austin Bolton | 16 | Lodger | — | Texas |
| 17 | W. J. Brodie | 70 | Head | Farmer | Tennessee |
| 18 | Ida Brodie | 59 | Wife | — | Texas |
| 19 | Travis Fodge | 35 | Son | Mechanic | Texas |
| 20 | Murrell W. White | 23 | Head | Carpenter | Texas |
| 21 | Fannie White | 17 | Wife | — | Texas |
| 22 | Eugene White | 2 | Son | — | Texas |
| 23 | Robert T Nichols THIS PERSON | 38 | Head | Farmer | Texas |
| 24 | Daisy Nichols | 26 | Wife | — | Texas |
| 25 | Wanda June Nichols | 4 | Daughter | — | Texas |
| 26 | Thomas Wayne Nichols | 2 | Son | — | Texas |
| 27 | Sunie Mathis | 76 | Mother | — | Tennessee |
| 28 | Paul L Mathis | 36 | Brother | Farmer | Texas |
| 29 | William R Kersey | 80 | Head | — | Georgia |
| 30 | Mack Kersey | 36 | Son | Farmer | Texas |
| 31 | Lorena Russell | 49 | Daughter | — | Texas |
| 32 | Ira F Exum | 69 | Head | Farmer | Tennessee |
| 33 | Leonel Exum | 31 | Head | Farmer | Texas |
| 34 | Lucille Exum | 25 | Wife | — | Texas |
| 35 | Wanda June Exum | 3 | Daughter | — | Texas |
| 36 | Billy R Exum | 1 | Son | — | Texas |
| 37 | D. M. Offutt | 40 | Head | Farmer | Texas |
| 38 | Bessie Offutt | 37 | Wife | — | Texas |
| 39 | Juanita Offutt | 20 | Daughter | Laborer | Texas |
| 40 | Haskell Offutt | 17 | Son | Farmer | Texas |
Pedigree Summary
Robert
Gen 1 · 3 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)