JK
John Kirk — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Champaign-County, Illinois
Our Model Tree links this John Kirk across the 1930 and 1940 US Censuses in Champaign-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 6-person household.
Age 13
b. ~1927
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Champaign-County, Illinois |
| Surname | Kirk |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Champaign |
| 1935 Residence (County) | Champaign |
| Additional Details | |
| Highest Grade | No 0 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Champaign |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Kirk | Son | — | 13 | ~1927 |
| Bernice Kirk | Son | — | 11 | ~1929 |
| James Kirk | Son | — | 19 | ~1921 |
| Ernie Kirk | Head | — | 40 | ~1900 |
| Charlie Kirk | Son | — | 15 | ~1925 |
| Rubie Kirk | Spouse | — | 35 | ~1905 |
Census Appearances
1930
Champaign, Illinois
Son, age 3
Champaign, Illinois · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirk |
| Given Name | Johnny |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Mississippi |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Champaign-County, Illinois
Son, age 13
Champaign-County, Illinois · implied b. ~1927 — 6 household members
| Surname | Kirk |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Champaign |
| 1935 Residence (County) | Champaign |
| Highest Grade | No 0 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Kirk across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Kirk
Son · 1940 · age 13 · b. ~1927 · Illinois
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Sibling
Bernice Kirk
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Kirk
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlie Kirk
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 — Champaign-County, Illinois
Open full size
1940 US Federal Census — Champaign-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00765-00175)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Doris Hillard | 64 | Mother-in-law | — | Kentucky |
| 2 | Pauline Smith | 40 | Head | Trucking | Illinois |
| 3 | James Moody | 78 | Lodger | — | Illinois |
| 4 | Westley Hines | 49 | Lodger | Mechanic | N. Carolina |
| 5 | Edward Williams | 57 | Head | — | Tennessee |
| 6 | Sily Williams | 50 | Wife | 20 Seamstress | Arkansas |
| 7 | Andy Williams | 21 | Daughter | — | Illinois |
| 8 | Allie Williams | 18 | Daughter | — | Illinois |
| 9 | Barbara Williams | 4 | Daughter | — | Illinois |
| 10 | John W. Raney | 74 | Head | — | Arkansas |
| 11 | Doris Raney | 75 | Wife | Labor | Kentucky |
| 12 | Fred Neuvill | 36 | Head | Labor | Tennessee |
| 13 | Bertha Neuvill | 35 | Wife | Maid | Tennessee |
| 14 | John Neuvill | 17 | Son | — | Tennessee |
| 15 | Fred Jr. Neuvill | 12 | Son | — | Tennessee |
| 16 | Valo Honnville | 42 | Head | Labor | Missouri |
| 17 | Ada Honnville | 42 | Wife | — | Illinois |
| 18 | Oscar Bloodsoe | 68 | Head | — | Tennessee |
| 19 | Nora Harris | 75 | Head | — | Tennessee |
| 20 | Viola Johnson | 21 | Granddaughter | Seamstress | Arkansas |
| 21 | George Markey | 57 | Head | — | Kentucky |
| 22 | Hazel Markey | 55 | Wife | Caretaker | Kentucky |
| 23 | Jerry Miller | 50 | Head | General | Kentucky |
| 24 | Bee Miller | 55 | Husband | — | Kentucky |
| 25 | Geo Bowles | 30 | Nephew | Porter | Kentucky |
| 26 | Harvey Ross | 55 | Head | Labor | Kentucky |
| 27 | Sula Ross | 40 | Wife | Maid | Kentucky |
| 28 | Ernie Kirk | 40 | Head | Labor | Mississippi |
| 29 | Rubie Kirk | 35 | Wife | — | Mississippi |
| 30 | James Kirk | 19 | Son | Labor | Illinois |
| 31 | Charlie Kirk | 15 | Son | — | Illinois |
| 32 | John Kirk THIS PERSON | 13 | Son | — | Illinois |
| 33 | Bernice Kirk | 11 | Son | — | Illinois |
| 34 | Charlie Douglas | 36 | Head | Cook | Tennessee |
| 35 | Anthea Douglas | 27 | Wife | — | Tennessee |
| 36 | Margaret Douglas | 8 | Daughter | — | Tennessee |
| 37 | Martha Douglas | 4 | Daughter | — | Tennessee |
| 38 | May Douglas | 2 | Daughter | — | Illinois |
| 39 | Charles Douglas | 1 | Son | — | Illinois |
| 40 | A. C. Andris | 33 | Lodger | Porter | Tennessee |
Related Census Records
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)