RC
Robert Carr — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Tulsa-County, Oklahoma
Our Model Tree links this Robert Carr across the 1930 and 1940 US Censuses in Tulsa-County, Oklahoma (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 9-person household.
Age 10
b. ~1930
Male
Son
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Tulsa-County, Oklahoma |
| Surname | Carr |
| Given Name | Robert H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Tulsa |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Oklahoma |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Township / Ward | Dawson Township |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Marjorie Carr | Daughter | — | 5 | ~1935 |
| Luther Carr | Son | — | 16 | ~1924 |
| Wanda Carr | Daughter | — | 2 | ~1938 |
| Allen Carr | Son | — | 14 | ~1926 |
| Maxine Carr | Daughter | — | 8 | ~1932 |
| Robert Carr | Son | — | 10 | ~1930 |
| Clara Carr | Daughter | — | 12 | ~1928 |
| Luther Carr | Head | — | 48 | ~1892 |
| Ella Carr | Spouse | — | 31 | ~1909 |
Census Appearances
1930
Tulsa, Oklahoma
Son, age 1
Tulsa, Oklahoma · implied b. ~1929 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carr |
| Given Name | Robert H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | New York |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Tulsa-County, Oklahoma
Son, age 10
Tulsa-County, Oklahoma · implied b. ~1930 — 9 household members
| Surname | Carr |
| Given Name | Robert H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Tulsa |
| Highest Grade | 4 |
| 1935 Residence | Oklahoma |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 Carr across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Carr
Son · 1940 · age 10 · b. ~1930 · Oklahoma
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Sibling
Wanda Carr
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Carr
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Allen Carr
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Luther Carr
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maxine Carr
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Carr
Sibling · 1940 · age 12
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 — Tulsa-County, Oklahoma
Open full size
1940 US Federal Census — Tulsa-County, Oklahoma
Page Contents
16 people indexed on this census page (nara:1940:m-t0627-03336-00319)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rosella M Einkoff | 10 | Daughter | — | Oklahoma |
| 42 | Jim Evanoff | 48 | Head | Laborer | Bulgaria |
| 43 | Bertha P Evanoff | 39 | Wife | Laborer | Oklahoma |
| 44 | Lucy J Evanoff | 25 | Daughter | — | Oklahoma |
| 45 | Evan G Evanoff | 10 | Son | — | Oklahoma |
| 46 | Arden B Evanoff | 7 | Son | — | Oklahoma |
| 47 | Zora M Evanoff | 3 | Daughter | — | Oklahoma |
| 48 | Luther J Carr | 48 | Head | — | Missouri |
| 49 | Ella M Carr | 31 | Wife | — | Arkansas |
| 50 | Luther G Carr | 16 | Son | Laborer | Oklahoma |
| 51 | Allen L Carr | 14 | Son | — | Oklahoma |
| 52 | Clara L Carr | 12 | Daughter | — | Oklahoma |
| 53 | Robert H Carr THIS PERSON | 10 | Son | — | Oklahoma |
| 54 | Maxine V Carr | 8 | Daughter | — | Oklahoma |
| 55 | Marjorie Carr | 5 | Daughter | — | Oklahoma |
| 56 | Wanda E Carr | 2 | Daughter | — | Oklahoma |
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)