WK
William Kirk — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lee-County, Illinois
Our Model Tree links this William Kirk across the 1920, 1930 and 1940 US Censuses in Lee-County, Illinois (XGBoost, ~Confirmed), with identified parents Frank & Johanna — first a head (b.~1895), then head of a 6-person household.
Age 45
b. ~1895
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lee-County, Illinois |
| Surname | Kirk |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Amboy Township |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 65 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Amboy Township |
| Est. Birth Year | ~1895 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Kirk | Daughter | — | 2 | ~1938 |
| Helen Kirk | Daughter | — | 11 | ~1929 |
| William Hart | Other | — | 36 | ~1904 |
| William Kirk | Head | — | 45 | ~1895 |
| Lois Kirk | Daughter | — | 8 | ~1932 |
| Florence Kirk | Spouse | — | 38 | ~1902 |
Census Appearances
1920
Lee, Illinois
Son, age 25
Lee, Illinois · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirk |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Lee, Illinois
Head, age 35
Lee, Illinois · implied b. ~1895 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirk |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 25 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | WW |
| Home Value / Rent | R |
| Radio Set | 74 |
| Veteran | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Lee-County, Illinois
Head, age 45
Lee-County, Illinois · implied b. ~1895 — 6 household members
| Surname | Kirk |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Amboy Township |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 65 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 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 William Kirk across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Kirk (~0.92 confidence) and mother Johanna Kirk (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Kirk
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Johanna Kirk
b. ~1866
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Kirk
Head · 1940 · age 45 · b. ~1895 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lee-County, Illinois
Open full size
1940 US Federal Census — Lee-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00836-00082)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lavonne Schamberger | 5 | Daughter | — | Illinois |
| 2 | Roland Schamberger | 2 | Son | — | Illinois |
| 3 | Hanner Walker | 43 | Head | Insurance Sales | Illinois |
| 4 | Lulu B. Walker | 50 | Wife | School Teacher | Illinois |
| 5 | J. Arthur Walker | 21 | Son | — | Illinois |
| 6 | John H. Hugueley | 54 | Head | Farmer And Minister | Missouri |
| 7 | Rachel Hugueley | 40 | Wife | — | Illinois |
| 8 | Ruth Hugueley | 14 | Daughter | — | Illinois |
| 9 | Hazel Hugueley | 15 | Daughter | — | Illinois |
| 10 | Buford Looney | 25 | Head | Farm Hand | Oklahoma |
| 11 | Roberta Looney | 27 | Wife | — | Missouri |
| 12 | William Reinhold | 53 | Head | Farmer | Illinois |
| 13 | Hattie Reinhold | 42 | Wife | — | Illinois |
| 14 | Walter Reinhold | 24 | Son | — | Illinois |
| 15 | Cecil Reinhold | 21 | Son | Farm Hand | Illinois |
| 16 | Claud Reinhold | 19 | Son | Farm Hand | Illinois |
| 17 | Ruth Reinhold | 16 | Daughter | — | Illinois |
| 18 | Ethel Reinhold | 14 | Daughter | — | Illinois |
| 19 | Betty Reinhold | 8 | Daughter | — | Illinois |
| 20 | Ellen Dietmeier | 51 | Sister-in-law | — | Illinois |
| 21 | Margaret Schamberger | 77 | Head | — | Germany |
| 22 | Mabel Thompson | 21 | Housekeeper | Housekeeper | Illinois |
| 23 | Ronald Thompson | 2 | Son of H.K. | — | Illinois |
| 24 | John W. Bryan | 57 | Head | Farmer | Nebraska |
| 25 | Hazel Bryan | 50 | Wife | — | Illinois |
| 26 | William Kirk THIS PERSON | 45 | Head | Farmer | Illinois |
| 27 | Florence Kirk | 38 | Wife | — | Illinois |
| 28 | Helen Kirk | 11 | Daughter | — | Illinois |
| 29 | Lois Kirk | 8 | Daughter | — | Illinois |
| 30 | Dorothy Kirk | 2 | Daughter | — | Illinois |
| 31 | William Hart | 36 | Hired Hand | Farm Hand | Iowa |
| 32 | Clarence Walbomier | 28 | Head | Farmer | Illinois |
| 33 | Ruth Walbomier | 27 | Wife | — | Illinois |
| 34 | Leroy Walbomier | 8 | Son | — | Illinois |
| 35 | Marlene Walbomier | 3 | Daughter | — | Illinois |
| 36 | William Johnson | 69 | Head | — | Illinois |
| 37 | Sarah Johnson | 70 | Wife | — | Illinois |
| 38 | William Morrison | 53 | Head | Farmer | Illinois |
| 39 | Aileen Morrison | 36 | Wife | — | Illinois |
| 40 | Rose Mary Morrison | 14 | Daughter | — | Illinois |
Pedigree Summary
William
Gen 1 · 2 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)