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James Blair — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Charlotte-County, Virginia
Our Model Tree links this James Blair across the 1930 and 1940 US Censuses in Charlotte-County, Virginia (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 10-person household.
Age 10
b. ~1930
Male
Son
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Charlotte-County, Virginia |
| Surname | Blair |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Charlotte |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Roanoke Dist Magisterial |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Ester Blair | Daughter | — | 12 | ~1928 |
| Floyd Blair | Son | — | 2 | ~1938 |
| Mary Blair | Daughter | — | 15 | ~1925 |
| Willie Blair | Son | — | 16 | ~1924 |
| Edd Blair | Son | — | 3 | ~1937 |
| Robert Blair | Head | — | 51 | ~1889 |
| West Blair | Son | — | 13 | ~1927 |
| Clarence Blair | Son | — | 5 | ~1935 |
| Ruby Blair | Spouse | — | 28 | ~1912 |
| James Blair | Son | — | 10 | ~1930 |
Census Appearances
1930
Nansemond, Virginia
Son, age
Nansemond, Virginia · implied b. ~1930 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | No |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Charlotte-County, Virginia
Son, age 10
Charlotte-County, Virginia · implied b. ~1930 — 10 household members
| Surname | Blair |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Charlotte |
| Highest Grade | No 2 |
| 1935 Residence | Virginia |
| 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 Blair across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Blair
Son · 1940 · age 10 · b. ~1930 · Virginia
★ You are viewing this record
Sibling
West Blair
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edd Blair
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Blair
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Blair
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Floyd Blair
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ester Blair
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Blair
Sibling · 1940 · age 15
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 — Charlotte-County, Virginia
Open full size
1940 US Federal Census — Charlotte-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04254-00448)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert Blair | 51 | Head | Farmer | Virginia |
| 42 | Ruby Blair | 28 | Wife | Housekeeper | Virginia |
| 43 | Willie Blair | 16 | Son | Laborer | Virginia |
| 44 | Mary Blair | 15 | Daughter | — | Virginia |
| 45 | West T Blair | 13 | Son | — | Virginia |
| 46 | Ester F Blair | 12 | Daughter | — | Virginia |
| 47 | James Blair THIS PERSON | 10 | Son | — | Virginia |
| 48 | Clarence Blair | 5 | Son | — | Virginia |
| 49 | Edd Blair | 3 | Son | — | Virginia |
| 50 | Floyd Blair | 2 | Son | — | Virginia |
| 51 | Cordell Wilson | 26 | Head | Operator | Virginia |
| 52 | Eliza Wilson | 24 | Wife | Housekeeper | Virginia |
| 53 | Sallie Wilson | 65 | Mother | Housekeeper | Virginia |
| 54 | Cahill Wilson | 28 | Head | Operator | Virginia |
| 55 | Louise Wilson | 26 | Wife | Housekeeper | Virginia |
| 56 | Sueann Wilson | 2 | Daughter | — | Virginia |
| 57 | William Wilson | None | Son | — | Virginia |
| 58 | Robert Morton | 24 | Head | Farmer | Virginia |
| 59 | Irine Morton | 21 | Wife | Housekeeper | Virginia |
| 60 | Lucile Morton | 5 | Daughter | — | Virginia |
| 61 | Willie Morton | 73 | Head | Farmer | Virginia |
| 62 | Harrit Morton | 72 | Wife | Housekeeper | Virginia |
| 63 | Eddie Sydnor | 33 | Head | Laborer | Virginia |
| 64 | Kate Sydnor | 33 | Wife | Housekeeper | Virginia |
| 65 | Mark R Sydnor | 12 | Son | — | Virginia |
| 66 | Charles Sydnor | 10 | Son | — | Virginia |
| 67 | Sallie Sydnor | 8 | Daughter | — | Virginia |
| 68 | Fred T Sydnor | 6 | Son | — | Virginia |
| 69 | Josephine Sydnor | 4 | Daughter | — | Virginia |
| 70 | Allen Sydnor | 2 | Son | — | Virginia |
| 71 | Martha T Sydnor | 1 | Daughter | — | Virginia |
| 72 | Mark Sydnor | 63 | Father | — | Virginia |
| 73 | Hellen Queleman | 28 | Sister | — | Virginia |
| 74 | Edward Pruill | 34 | Head | Section Hand | Virginia |
| 75 | Elva Pruill | 33 | Wife | Teacher | Washington |
| 76 | Edward Jr Pruill | 11 | Son | — | Virginia |
| 77 | Hazel L Pruill | 9 | Son | — | Virginia |
| 78 | Alexander Pruill | 7 | Son | — | Virginia |
| 79 | George Pruill | 78 | Father | — | Virginia |
| 80 | Susan Pruill | 67 | Mother | — | Virginia |
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)