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Robert Jenkins — 1940 US Census Record
Model Tree available1940 United States Federal Census · Logan-County, Oklahoma
Our Model Tree links this Robert Jenkins across the 1920, 1930 and 1940 US Censuses in Logan-County, Oklahoma (XGBoost, ~Confirmed), with identified parents Omer & Lannie — first a son (b.~1920), then head of a 4-person household.
Age 20
b. ~1920
Male
Son
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Logan-County, Oklahoma |
| Surname | Jenkins |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Guthrie City |
| 1935 Residence (County) | Logan |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Township / Ward | Guthrie City |
| Est. Birth Year | ~1920 |
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 |
|---|---|---|---|---|
| Lannie Jenkins | Head | — | 50 | ~1890 |
| Thomas Jenkins | Son | — | 18 | ~1922 |
| Robert Jenkins | Son | — | 20 | ~1920 |
| Richard Jenkins | Son | — | 14 | ~1926 |
Census Appearances
1920
Logan, Oklahoma
Son, age 2
Logan, Oklahoma · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jenkins |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | none |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1930
Logan, Oklahoma
Son, age 11
Logan, Oklahoma · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jenkins |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Logan-County, Oklahoma
Son, age 20
Logan-County, Oklahoma · implied b. ~1920 — 4 household members
| Surname | Jenkins |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Guthrie City |
| 1935 Residence (County) | Logan |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| 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 Jenkins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Omer Jenkins (~0.92 confidence) and father Lannie Jenkins (~0.92 confidence) and mother Lonie Jenkins (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Omer Jenkins
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Lannie Jenkins
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Lonie Jenkins
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Jenkins
Son · 1940 · age 20 · b. ~1920 · Oklahoma
★ You are viewing this record
Sibling
Richard Jenkins
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Jenkins
Sibling · 1940 · age 18
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 — Logan-County, Oklahoma
Open full size
1940 US Federal Census — Logan-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03307-00164)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Milton Perkins | 11 | Grandson | — | Oklahoma |
| 2 | Delores Perkins | 4 | Granddaughter | — | Oklahoma |
| 3 | Bobby Jean Perkins | 2 | Granddaughter | — | Oklahoma |
| 4 | Lannie Jenkins | 50 | Head | Housework | Oklahoma |
| 5 | Robert Jenkins THIS PERSON | 20 | Son | — | Oklahoma |
| 6 | Thomas Jenkins | 18 | Son | — | Oklahoma |
| 7 | Richard Jenkins | 14 | Son | — | Oklahoma |
| 8 | Iven Reed | 36 | Head | Bellhop | Oklahoma |
| 9 | Berniece Reed | 33 | Wife | — | Oklahoma |
| 10 | Merlene Reed | 18 | Daughter | Nya | Oklahoma |
| 11 | Maria Reed | 16 | Daughter | Nya | Oklahoma |
| 12 | Venita Reed | 14 | Daughter | — | Oklahoma |
| 13 | Frank Reed | 12 | Son | — | Oklahoma |
| 14 | Othello Reed | 8 | Son | — | Oklahoma |
| 15 | Pauline Reed | 4 | Daughter | — | Oklahoma |
| 16 | Wallace Cole | 43 | Head | Laborer | Alabama |
| 17 | Fannie Cole | 37 | Wife | Housekeeper | Alabama |
| 18 | Johnie Lou Cole | 20 | Son | Nya | Alabama |
| 19 | Margaret Cole | 18 | Daughter | Nya | Alabama |
| 20 | Bernice Cole | 17 | Son | — | Arkansas |
| 21 | Thomas Cole | 7 | Son | — | Oklahoma |
| 22 | Thomas Dawson | 72 | Head | — | Tennessee |
| 23 | Emily Dawson | 55 | Wife | — | Tennessee |
| 24 | Marguerite P. Walker | 27 | Granddaughter | — | Oklahoma |
| 25 | James Jefferson | 63 | Head | — | Mississippi |
| 26 | Sara Jefferson | 48 | Wife | — | Texas |
| 27 | James M. Jefferson | 23 | Son | Wpa | Oklahoma |
| 28 | Arvrett Jefferson | 22 | Daughter | — | Oklahoma |
| 29 | Verbenia Jefferson | 20 | Daughter | — | Oklahoma |
| 30 | Verbes Jefferson | 18 | Son | — | Oklahoma |
| 31 | Theaperia Jefferson | 16 | Daughter | — | Oklahoma |
| 32 | Intran Jefferson | 9 | Son | — | Oklahoma |
| 33 | Vontenia Jefferson | 1 | Daughter | — | Oklahoma |
| 34 | George Davidson | 28 | Head | W.P.A. | Oklahoma |
| 35 | Pauline Davidson | 26 | Wife | — | Tennessee |
| 36 | Gwen Lou Davidson | 6 | Daughter | — | Oklahoma |
| 37 | George Thomas Davidson | 2 | Son | — | Oklahoma |
| 38 | Frank Davidson | 32 | Brother | Wpa | Oklahoma |
| 39 | Geneva Davidson | 31 | Sister-in-law | — | Texas |
| 40 | Fred Lewis | 40 | Head | Wpa | Texas |
Pedigree Summary
Robert + 2 siblings
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)