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James Robertson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Roanoke-County, Virginia
Our Model Tree links this James Robertson across the 1920, 1930 and 1940 US Censuses in Roanoke-County, Virginia (XGBoost, ~Confirmed), with identified parents Charles & Eva — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Roanoke-County, Virginia |
| Surname | Robertson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Big Lick magl. |
| Additional Details | |
| Occupation | Retail Drug store |
| Industry | PW |
| Class of Worker | 728 |
| Highest Grade | No 7 |
| 1935 Residence | 40 |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Retail Drug Store |
| Township / Ward | Big Lick Magl |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Gayle Robertson | Daughter | — | 8 | ~1932 |
| Andrew Robertson | Head | — | 52 | ~1888 |
| James Robertson | Son | — | 21 | ~1919 |
| Melvin Robertson | Son | — | 11 | ~1929 |
| Cara Robertson | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Roanoke, Virginia
Son, age 1
Roanoke, Virginia · implied b. ~1919 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Roanoke, Virginia
Son, age 11
Roanoke, Virginia · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Roanoke-County, Virginia
Son, age 21
Roanoke-County, Virginia · implied b. ~1919 — 5 household members
| Surname | Robertson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Big Lick magl. |
| Occupation | Retail Drug store |
| Industry | PW |
| Class of Worker | 728 |
| Highest Grade | No 7 |
| 1935 Residence | 40 |
| 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 James Robertson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Robertson (~0.92 confidence) and mother Eva Robertson (~0.92 confidence) and father Andrew Robertson (~0.92 confidence) and mother Cara Robertson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Robertson
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Eva Robertson
b. ~1873
Source mother
● Household
· direct · ~0.92
Father
Andrew Robertson
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Cara Robertson
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Robertson
Son · 1940 · age 21 · b. ~1919 · Virginia
★ You are viewing this record
Sibling
Gayle Robertson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melvin Robertson
Sibling · 1940 · age 11
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 — Roanoke-County, Virginia
Open full size
1940 US Federal Census — Roanoke-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04288-00658)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Norman Jean Mcconner | 2 | Daughter | — | Virginia |
| 2 | Henry G. Hall | 50 | Head | Rayon Mill | Virginia |
| 3 | Vargie Hall | 44 | Wife | — | Virginia |
| 4 | Cloyde E. Hall | 21 | Son | Tea Room | Virginia |
| 5 | Wilson A. Hall | 18 | Son | — | Virginia |
| 6 | Calvin Hall | 10 | Son | — | Virginia |
| 7 | James Drawv | 41 | Head | Rayon Mill | Virginia |
| 8 | Noma O. Drawv | 39 | Wife | — | West Virginia |
| 9 | Odell Drawv | 17 | Son | — | Virginia |
| 10 | Earlene Drawv | 15 | Daughter | — | Virginia |
| 11 | Audrey Drawv | 11 | Daughter | — | Virginia |
| 12 | Sherman Callham | 22 | Son-in-law | Truck Driver | Virginia |
| 13 | Ruby Callham | 19 | Daughter | — | Virginia |
| 14 | Sherman Callham | 1 | Grandson | — | Virginia |
| 15 | Emory Dowdy | 41 | Head | Can Setter | Virginia |
| 16 | Lula Q. Dowdy | 32 | Wife | — | Virginia |
| 17 | Emory Jr. Dowdy | 11 | Son | — | Virginia |
| 18 | Millie Dowdy | 10 | Daughter | — | Virginia |
| 19 | Janet Dowdy | 7 | Daughter | — | Virginia |
| 20 | Walter Parker | 39 | Head | Rayon Mill | Virginia |
| 21 | Myrtle O. Parker | 39 | Wife | — | Virginia |
| 22 | Lottie Mae Parker | 14 | Daughter | — | Virginia |
| 23 | Virginia Parker | 11 | Daughter | — | Virginia |
| 24 | Mary Parker | 8 | Daughter | — | Virginia |
| 25 | Betty J. Parker | 5 | Daughter | — | Virginia |
| 26 | James Porterfield | 31 | Head | Rayon Mill | Virginia |
| 27 | Grace O. Porterfield | 27 | Wife | — | Virginia |
| 28 | Dorothy Lee Porterfield | 7 | Daughter | — | Virginia |
| 29 | Nancy Porterfield | 4 | Daughter | — | Virginia |
| 30 | James Jr. Porterfield | 1 | Son | — | Virginia |
| 31 | Lee Guthrie | 33 | Head | Rayon Mill | Virginia |
| 32 | Irene S. Guthrie | 30 | Wife | — | North Carolina |
| 33 | Mary Guthrie | 11 | Daughter | — | Virginia |
| 34 | Thurber Guthrie | 10 | Son | — | Virginia |
| 35 | Andrew J. Robertson | 52 | Head | Rayon Mill | Virginia |
| 36 | Cara Robertson | 49 | Wife | — | Virginia |
| 37 | James Robertson THIS PERSON | 21 | Son | Retail Drug Store | Virginia |
| 38 | Melvin Robertson | 11 | Son | — | Virginia |
| 39 | Gayle Robertson | 8 | Daughter | — | Virginia |
| 40 | Glenn Wingfield | 28 | Head | Advertising Manager | Indiana |
Pedigree Summary
James + 2 siblings
Gen 1 · 4 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)