HC
Harold Cook — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clay-County, Missouri
Our Model Tree links this Harold Cook across the 1920, 1930 and 1940 US Censuses in Clay-County, Missouri (XGBoost, ~Confirmed), with identified parents Bill & William — first a son (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clay-County, Missouri |
| Surname | Cook |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Excelsior Springs city |
| 1935 Residence (County) | Clay |
| Additional Details | |
| Occupation | Truck driver |
| Industry | Rock quarry |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 20 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Truck Driver |
| Township / Ward | Excelsior Springs City |
| Est. Birth Year | ~1912 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Bill Cook | Head | — | 74 | ~1866 |
| Harold Cook | Son | — | 28 | ~1912 |
| Mariam Cook | Spouse | — | 69 | ~1871 |
Census Appearances
1920
Clay, Missouri
Son, age 8
Clay, Missouri · implied b. ~1912 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Clay, Missouri
Son, age 18
Clay, Missouri · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Harold A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Truck Driver |
| Industry | Delivery Truck |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Clay-County, Missouri
Son, age 28
Clay-County, Missouri · implied b. ~1912 — 3 household members
| Surname | Cook |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Excelsior Springs city |
| 1935 Residence (County) | Clay |
| Occupation | Truck driver |
| Industry | Rock quarry |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 20 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Harold Cook across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Bill Cook (~0.92 confidence) and father William Cook (~0.92 confidence) and father William Cook (~0.92 confidence) and mother Marion Cook (~0.92 confidence) and mother Miriam Cook (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Bill Cook
b. ~1866
Source father
● Household
· direct · ~0.92
Father
William Cook
b. ~1866
Source father
● Household
· direct · ~0.92
Father
William Cook
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Marion Cook
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Miriam Cook
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Cook
Son · 1940 · age 28 · b. ~1912 · Missouri
★ 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 — Clay-County, Missouri
Open full size
1940 US Federal Census — Clay-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02097-00076)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bessie Hopson | 55 | Wife | — | Illinois |
| 2 | Eleanor Kimes | 27 | Daughter | — | Missouri |
| 3 | Hadley Kimes | 29 | Son | Dentist | Missouri |
| 4 | Colmon Ann Kimes | 0 | Granddaughter | — | Missouri |
| 5 | F. R. Cullumber | 68 | Head | — | Ohio |
| 6 | Betty Cullumber | 66 | Wife | — | Missouri |
| 7 | Grace Schnier | 64 | Head | — | Illinois |
| 8 | Elza Bailey | 61 | Head | — | Missouri |
| 9 | Maggie Bailey | 58 | Wife | — | Missouri |
| 10 | Charles Arnold Bailey | 18 | Son | Usher | Missouri |
| 11 | Harold Bailey | 16 | Son | — | Missouri |
| 12 | Frank Zuklin | 26 | Head | Truck Driver | Missouri |
| 13 | Norma Lee Zuklin | 20 | Wife | Saleslady | Missouri |
| 14 | Francine Zuklin | 2 | Daughter | — | Missouri |
| 15 | Sally Mcqueen | 72 | Head | — | Missouri |
| 16 | Lola Edith Jersey | 59 | Head | Welfare Worker | Missouri |
| 17 | Fanny Elgin | 21 | Daughter | Stenographer | Missouri |
| 18 | Jo Elgin | 17 | Daughter | — | Idaho |
| 19 | J. E. Clutter | 33 | Head | — | Missouri |
| 20 | Agatha Clutter | 27 | Wife | Nurse | Illinois |
| 21 | Buell Ashmore | 50 | Head | Medical Doctor | Kentucky |
| 22 | Rose Ashmore | 36 | Wife | — | Massachusetts |
| 23 | Ralph Ashmore | 15 | Son | — | Massachusetts |
| 24 | Virginia Ashmore | 13 | Daughter | — | Massachusetts |
| 25 | Charles Carroll | 36 | Head | Paint Washer | Missouri |
| 26 | Mary Carroll | 41 | Wife | — | Missouri |
| 27 | Kenneth Carroll | 12 | Son | — | Missouri |
| 28 | Allan Carroll | 9 | Son | — | Missouri |
| 29 | Stannie Meens | 66 | Head | — | Alabama |
| 30 | G. V. Ingent | 68 | Head | Painter | Missouri |
| 31 | Luly Ingent | 64 | Wife | — | Missouri |
| 32 | Thomas Mcgovin | 67 | Brother | — | Missouri |
| 33 | Milo Smith | 34 | Lodger | Tractor Salesman | Missouri |
| 34 | Bill Cook | 74 | Head | — | Missouri |
| 35 | Mariam Cook | 69 | Wife | — | Missouri |
| 36 | Harold Cook THIS PERSON | 28 | Son | Truck Driver | Missouri |
| 37 | Payton Made | 68 | Head | Truck Driver | Missouri |
| 38 | Oda Made | 55 | Wife | — | Missouri |
| 39 | Rosie Made | 32 | Daughter | — | Missouri |
| 40 | Thomas E. Jones | 85 | Head | — | Wales |
Pedigree Summary
Harold
Gen 1 · 5 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)