RB
Robert Blair — 1940 US Census Record
Model Tree available1940 United States Federal Census · Rowan-County, North Carolina
Our Model Tree links this Robert Blair across the 1920, 1930 and 1940 US Censuses in Rowan-County, North Carolina (XGBoost, ~Confirmed), with identified parents Sam & Samuel — first a son (b.~1919), then head of a 10-person household.
Age 21
b. ~1919
Male
Son
Born: North Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rowan-County, North Carolina |
| Surname | Blair |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | North Carolina |
| 1935 Residence (City) | East Spencer Town |
| 1935 Residence (County) | Rowan |
| Additional Details | |
| Occupation | grease wiper |
| Industry | railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 471 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
| Occupation | Grease Wiper |
| Township / Ward | East Spencer Town |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Blair | Spouse | — | 43 | ~1897 |
| Elether Blair | Daughter | — | 26 | ~1914 |
| Josephine Blair | Daughter | — | 12 | ~1928 |
| Francis Blair | Daughter | — | 6 | ~1934 |
| Rouerque Blair | Son | — | 23 | ~1917 |
| Calvin Blair | Other | — | 8 | ~1932 |
| Alice Blair | Daughter | — | 18 | ~1922 |
| Richard Blair | Son | — | 19 | ~1921 |
| Robert Blair | Son | — | 21 | ~1919 |
| Samuel Blair | Head | — | 51 | ~1889 |
Census Appearances
1920
Rowan, North …
Son, age 1
Rowan, North Carolina · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | North Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | North Carolina |
| Speaks English | Yes |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1930
Rowan, North …
Son, age 11
Rowan, North Carolina · implied b. ~1919 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | North Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | North Carolina |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1940
Rowan-County, North …
Son, age 21
Rowan-County, North Carolina · implied b. ~1919 — 10 household members
| Surname | Blair |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | North Carolina |
| 1935 Residence (City) | East Spencer Town |
| 1935 Residence (County) | Rowan |
| Occupation | grease wiper |
| Industry | railroad |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 471 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
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 Blair across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Sam Blair (~0.92 confidence) and father Samuel Blair (~0.92 confidence) and father Squire Blair (~0.92 confidence) and mother Elizabeth Blair (~0.92 confidence) and mother Maggie Blair (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Sam Blair
b. ~1897
Source father
● Household
· direct · ~0.92
Father
Samuel Blair
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Squire Blair
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Blair
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Maggie Blair
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Blair
Son · 1940 · age 21 · b. ~1919 · North Carolina
★ You are viewing this record
Sibling
Richard Blair
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elether Blair
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rouerque Blair
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Blair
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Blair
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Blair
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 — Rowan-County, North Carolina
Open full size
1940 US Federal Census — Rowan-County, North Carolina
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02969-00045)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Isaac Douglas | 9 | son | — | North Carolina |
| 2 | Magdalene Douglas | 6 | daughter | — | North Carolina |
| 3 | Samuel Blair | 51 | head | Hostler Helper | North Carolina |
| 4 | Elizabeth Blair | 43 | wife | — | North Carolina |
| 5 | Elether M Blair | 26 | daughter | — | North Carolina |
| 6 | Rouerque Blair | 23 | son | Brick Pitcher | North Carolina |
| 7 | Robert Blair THIS PERSON | 21 | son | Grease Wiper | North Carolina |
| 8 | Richard Blair | 19 | son | — | North Carolina |
| 9 | Alice Blair | 18 | daughter | — | North Carolina |
| 10 | Josephine Blair | 12 | daughter | — | North Carolina |
| 11 | Francis Blair | 6 | daughter | — | North Carolina |
| 12 | Calvin Blair | 8 | grand son | — | North Carolina |
| 13 | Lillie R Metz | 33 | head | Laundress | North Carolina |
| 14 | Rosa M Metz | 5 | daughter | — | North Carolina |
| 15 | Billy L Metz | 3 | daughter | — | North Carolina |
| 16 | Mary Gaddy | 57 | head | — | North Carolina |
| 17 | John Green | 77 | lodger | — | North Carolina |
| 18 | Annie Moore | 54 | head | House Keeper | North Carolina |
| 19 | Pearl Moore | 23 | daughter | House Keeper | North Carolina |
| 20 | John Moore | 45 | son | Stationary Fireman | North Carolina |
| 21 | Jessie Marlow | 57 | head | — | North Carolina |
| 22 | Jessie Bennett | 40 | head | House Keeper | South Carolina |
| 23 | Elmore Wilson | 41 | head | Hostler Helper | North Carolina |
| 24 | Mary Q Wilson | 40 | wife | — | North Carolina |
| 25 | Annie R Wilson | 16 | daughter | — | North Carolina |
| 26 | Vivian Wilson | 14 | daughter | — | North Carolina |
| 27 | Gloria L Blair | 4 | daughter | — | North Carolina |
| 28 | Eugene Barber | 38 | head | Laborer | North Carolina |
| 29 | Ola Barber | 36 | wife | — | South Carolina |
| 30 | Therchia Barber | 17 | daughter | — | South Carolina |
| 31 | Thelma Barber | 17 | daughter | — | South Carolina |
| 32 | James Barber | 13 | son | — | South Carolina |
| 33 | Earnest Barber | 10 | son | — | South Carolina |
| 34 | Wilbert Barber | 8 | son | — | South Carolina |
| 35 | Harvie L Barber | 6 | son | — | South Carolina |
| 36 | Clarence L Barber | 4 | son | — | South Carolina |
| 37 | Ruth Barber | 2 | daughter | — | South Carolina |
| 38 | Anderson Pledger | 50 | head | Engine Cleaner | Georgia |
| 39 | Eula Pledger | 42 | wife | House Keeper | Georgia |
Pedigree Summary
Robert + 6 siblings
Gen 1 · 5 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)