GB
George Blair — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Calhoun-County, Iowa
Our Model Tree links this George Blair across the 1930 and 1940 US Censuses in Calhoun-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 11-person household.
Age 13
b. ~1927
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Calhoun-County, Iowa |
| Surname | Blair |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Calhoun Township |
| 1935 Residence (County) | Calhoun |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Calhoun Township |
| 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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to George | Age | Birth yr |
|---|---|---|---|---|
| Bill Blair | Son | — | 11 | ~1929 |
| Mata Blair | Daughter | — | 16 | ~1924 |
| Lenora Blair | Daughter | — | 19 | ~1921 |
| Noel Blair | Son | — | 4 | ~1936 |
| Fred Blair | Son | — | 18 | ~1922 |
| Estel Blair | Son | — | 7 | ~1933 |
| Alola Blair | Spouse | — | 40 | ~1900 |
| Ed Blair | Head | — | 41 | ~1899 |
| George Blair | Son | — | 13 | ~1927 |
| Marie Blair | Daughter | — | 9 | ~1931 |
| Merle Blair | Son | — | 6 | ~1934 |
Census Appearances
1930
Calhoun, Iowa
Son, age 3
Calhoun, Iowa · implied b. ~1927 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blair |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kansas |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Calhoun-County, Iowa
Son, age 13
Calhoun-County, Iowa · implied b. ~1927 — 11 household members
| Surname | Blair |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Calhoun Township |
| 1935 Residence (County) | Calhoun |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 George Blair across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
George Blair
Son · 1940 · age 13 · b. ~1927 · Iowa
★ You are viewing this record
Sibling
Mata Blair
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Noel Blair
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Blair
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Estel Blair
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Merle Blair
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bill Blair
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lenora Blair
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred 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 — Calhoun-County, Iowa
Open full size
1940 US Federal Census — Calhoun-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01144-00059)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rose M. Berger | 33 | Housekeeper | Housekeeper | Iowa |
| 2 | John M. Lubbers | 56 | Head | Farmer | Illinois |
| 3 | Agatha M. Lubbers | 50 | Wife | — | Iowa |
| 4 | Marie L. Lubbers | 23 | Daughter | Stenographer | Iowa |
| 5 | Herman J. Willing | 23 | Head | Farm Hand | Iowa |
| 6 | Arlene Willing | 19 | Wife | — | Iowa |
| 7 | Ed. L. Blair | 41 | Head | Farmer | Iowa |
| 8 | Alola Blair | 40 | Wife | — | Kansas |
| 9 | Lenora Blair | 19 | Daughter | Housekeeper | Iowa |
| 10 | Fred G. Blair | 18 | Son | Farmer | Iowa |
| 11 | Mata Ellen Blair | 16 | Daughter | — | Iowa |
| 12 | George Blair THIS PERSON | 13 | Son | — | Iowa |
| 13 | Bill Robert Blair | 11 | Son | — | Iowa |
| 14 | Marie M. Blair | 9 | Daughter | — | Iowa |
| 15 | Estel Lee Blair | 7 | Son | — | Iowa |
| 16 | Merle M. Blair | 6 | Son | — | Iowa |
| 17 | Noel Blair | 4 | Son | — | Iowa |
| 18 | Herman Beckman | 37 | Head | Farmer | Iowa |
| 19 | Bertha Beckman | 29 | Wife | — | Iowa |
| 20 | Helen Beckman | 10 | Daughter | — | Iowa |
| 21 | Herman Jr. Beckman | 9 | Son | — | Iowa |
| 22 | Lois Beckman | 8 | Daughter | — | Iowa |
| 23 | Raymond Beckman | 7 | Son | — | Iowa |
| 24 | Lorraine Beckman | 3 | Daughter | — | Iowa |
| 25 | Ernest A. Johnson | 48 | Head | Farmer | Iowa |
| 26 | Genevieve Johnson | 41 | Wife | — | Iowa |
| 27 | Rena Jean Johnson | 15 | Daughter | — | Iowa |
| 28 | Shirley Johnson | 2 | Daughter | — | Iowa |
| 29 | Elvilda Delano | 76 | Mother-in-law | — | Iowa |
| 30 | Harold A. Teppe | 22 | Hired hand | Farm Hand | Iowa |
| 31 | Clarence N. Teppe | 28 | Head | Farmer | Iowa |
| 32 | Grace F. Teppe | 22 | Wife | — | Iowa |
| 33 | Clarence Jr. Teppe | 5 | Son | — | Iowa |
| 34 | James R. Teppe | 4 | Son | — | Iowa |
| 35 | Elois R. Teppe | 2 | Daughter | — | Iowa |
| 36 | Glenda K. Teppe | 1 | Daughter | — | Iowa |
| 37 | Marie Filmer | 18 | Housekeeper | Housekeeper | Iowa |
| 38 | John H. Mcmakin | 53 | Head | Farmer | Iowa |
| 39 | Dorothy S. Mcmakin | 48 | Wife | — | Iowa |
| 40 | John Warren Mcmakin | 15 | Son | Farmer | Iowa |
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)