RJ
Robert Jennings — 1940 US Census Record
Model Tree available1940 United States Federal Census · Grayson-County, Virginia
Our Model Tree links this Robert Jennings across the 1920, 1930 and 1940 US Censuses in Grayson-County, Virginia (XGBoost, ~Confirmed), with identified parents John & Isabelle — first a head (b.~1911), then head of a 3-person household.
Age 29
b. ~1911
Male
Head
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Grayson-County, Virginia |
| Surname | Jennings |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Oldtown District |
| 1935 Residence (County) | Grayson |
| Additional Details | |
| Occupation | driver |
| Industry | Dept. of Highways |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 420 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Driver |
| Township / Ward | Oldtown District |
| Est. Birth Year | ~1911 |
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 |
|---|---|---|---|---|
| Eleanor Jennings | Daughter | — | 2 | ~1938 |
| Ruby Jennings | Spouse | — | 27 | ~1913 |
| Robert Jennings | Head | — | 29 | ~1911 |
Census Appearances
1920
Grayson, Virginia
Son, age 9
Grayson, Virginia · implied b. ~1911 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jennings |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Colorado |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Grayson, Virginia
Son, age 19
Grayson, Virginia · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jennings |
| Given Name | Robert J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Colorado |
| Occupation | Laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Grayson-County, Virginia
Head, age 29
Grayson-County, Virginia · implied b. ~1911 — 3 household members
| Surname | Jennings |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Oldtown District |
| 1935 Residence (County) | Grayson |
| Occupation | driver |
| Industry | Dept. of Highways |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 420 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Jennings across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Jennings (~0.92 confidence) and mother Isabelle Jennings (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Jennings
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Isabelle Jennings
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Jennings
Head · 1940 · age 29 · b. ~1911 · Virginia
★ 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 — Grayson-County, Virginia
Open full size
1940 US Federal Census — Grayson-County, Virginia
Page Contents
23 people indexed on this census page (nara:1940:m-t0627-04265-00499)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary B. Osborne | 68 | Head | Farm Operator | Virginia |
| 2 | Floyd Crotte|Crotts | 48 | Head | Farmer | Virginia |
| 3 | Christine Crotte|Crotts | 24 | daughter | — | West Virginia |
| 4 | Lisko Crotte|Crotts | 21 | son | Farmer | Virginia |
| 5 | John Crotte|Crotts | 17 | son | Family Worker | Virginia |
| 6 | Marie Crotte|Crotts | 16 | daughter | Family Worker | Virginia |
| 7 | Elizabeth Crotte|Crotts | 15 | daughter | — | Virginia |
| 8 | Pauline Crotte|Crotts | 13 | daughter | — | Virginia |
| 9 | Mary Crotte|Crotts | 11 | daughter | — | Virginia |
| 10 | T. Guynn Reeves | 35 | Head | Shipper | Virginia |
| 11 | Jessie Reeves | 24 | wife | — | Virginia |
| 12 | Dean Reeves | 16 | son | Family Worker | Virginia |
| 13 | Gene Reeves | 14 | son | — | Virginia |
| 14 | Irene Reeves | 10 | daughter | — | Virginia |
| 15 | Carl J. Higgins | 50 | Head | Farmer | Virginia |
| 16 | Violet Higgins | 53 | wife | — | Virginia |
| 17 | Joyce Higgins | 17 | daughter | — | Virginia |
| 18 | Edith Higgins | 14 | daughter | — | Virginia |
| 19 | Jack Higgins | 9 | son | — | Virginia |
| 20 | June Higgins | 9 | daughter | — | Virginia |
| 21 | Robert Jennings THIS PERSON | 29 | Head | Driver | Virginia |
| 22 | Ruby Dell Jennings | 27 | wife | — | Virginia |
| 23 | Eleanor Lois Jennings | 2 | daughter | — | Virginia |
Pedigree Summary
Robert
Gen 1 · 2 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)