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John Blair — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Coffee-County, Alabama
Our Model Tree links this John Blair across the 1930 and 1940 US Censuses in Coffee-County, Alabama (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 9-person household.
Age 13
b. ~1927
Male
Son
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Coffee-County, Alabama |
| Surname | Blair |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Coffee |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | No |
| Est. Birth Year | ~1927 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Eddie Blair | Daughter | — | 6 | ~1934 |
| Bettie Blair | Daughter | — | 2 | ~1938 |
| Clara Blair | Daughter | — | 9 | ~1931 |
| Chissie Blair | Daughter | — | 11 | ~1929 |
| Mallon Blair | Head | — | 38 | ~1902 |
| George Blair | Son | — | 3 | ~1937 |
| Ralph Blair | Son | — | 15 | ~1925 |
| John Blair | Son | — | 13 | ~1927 |
| Bertie Blair | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Pike, Alabama
Son, age 4
Pike, Alabama · implied b. ~1926 — 16 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Coffee-County, Alabama
Son, age 13
Coffee-County, Alabama · implied b. ~1927 — 9 household members
| Surname | Blair |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Coffee |
| Highest Grade | No 3 |
| 1935 Residence | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 John Blair across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Blair
Son · 1940 · age 13 · b. ~1927 · Alabama
★ You are viewing this record
Sibling
Bettie Blair
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Blair
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Blair
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eddie Blair
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Chissie Blair
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Blair
Sibling · 1940 · age 3
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 — Coffee-County, Alabama
Open full size
1940 US Federal Census — Coffee-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00016-00799)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John W. Moody | 36 | Head | Operator | Alabama |
| 2 | Nettie Moody | 34 | Wife | — | Alabama |
| 3 | Harold M. Moody | 11 | Son | — | Alabama |
| 4 | Nancy Ann Helms | 67 | Head | — | Alabama |
| 5 | George A. Parker | 34 | Head | Operator | Alabama |
| 6 | Lola Parker | 29 | Wife | — | Alabama |
| 7 | Lamar Parker | 9 | Son | — | Alabama |
| 8 | Marvin Parker | 32 | Head | Operator | Alabama |
| 9 | Gertrude Parker | 26 | Wife | — | Alabama |
| 10 | Paul Parker | 6 | Son | — | Alabama |
| 11 | William P. Cain | 68 | Head | — | Alabama |
| 12 | Julia I. Cain | 70 | Wife | — | Alabama |
| 13 | Wilson W. Meek | 25 | Head | Operator | Alabama |
| 14 | Kate Meek | 25 | Wife | — | Alabama |
| 15 | Jacqulyn Meek | 2 | Daughter | — | Alabama |
| 16 | Fannie Hendrick | 40 | Head | — | Alabama |
| 17 | Wiley Hendrick | 21 | Son | Laborer | Alabama |
| 18 | Ella Mae Hendrick | 16 | Daughter | — | Alabama |
| 19 | Ethel Hendrick | 12 | Daughter | — | Alabama |
| 20 | Eva Pearl Hendrick | 8 | Daughter | — | Alabama |
| 21 | Clarence Blackstock | 31 | Head | Operator | Alabama |
| 22 | Cleone Blackstock | 27 | Wife | Teacher | Alabama |
| 23 | Terrence Dankins | 61 | Head | — | Alabama |
| 24 | Ruthie Dankins | 33 | Daughter | — | Alabama |
| 25 | R. C. Dankins | 19 | Son | Laborer | Alabama |
| 26 | Sarah Ruth Dankins | 6 | Granddaughter | — | Alabama |
| 27 | Samuel O. Parker | 30 | Head | Operator | Alabama |
| 28 | Glennie Parker | 29 | Wife | — | Alabama |
| 29 | Hugh W. Parker | 5 | Son | — | Alabama |
| 30 | Nancy Cain | 57 | Mother-in-law | — | Alabama |
| 31 | Alfred Hollaway | 27 | Hired Hand | Laborer | Alabama |
| 32 | Mallon Blair | 38 | Head | Laborer | Alabama |
| 33 | Bertie Blair | 39 | Wife | — | Alabama |
| 34 | Ralph Blair | 15 | Son | Laborer | Alabama |
| 35 | John Blair THIS PERSON | 13 | Son | — | Alabama |
| 36 | Chissie Blair | 11 | Daughter | — | Alabama |
| 37 | Clara Blair | 9 | Daughter | — | Alabama |
| 38 | Eddie Blair | 6 | Daughter | — | Alabama |
| 39 | George M. Blair | 3 | Son | — | Alabama |
| 40 | Bettie Sue Blair | 2 | Daughter | — | Alabama |
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)