HC
Harold Cook — 1940 US Census Record
Model Tree available1940 United States Federal Census · Delaware-County, New York
Our Model Tree links this Harold Cook across the 1920, 1930 and 1940 US Censuses in Delaware-County, New York (XGBoost, ~Confirmed), with identified parents Fred & Fred — first a head (b.~1900), then head of a 8-person household.
Age 40
b. ~1900
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, New York |
| Surname | Cook |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Stamford Village |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | truck driver |
| Industry | trucking |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 452 |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Truck Driver |
| Township / Ward | Stamford Village |
| Est. Birth Year | ~1900 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Ferdinand Cook | Son | — | 15 | ~1925 |
| Helen Cook | Daughter | — | 10 | ~1930 |
| Robert Cook | Son | — | 3 | ~1937 |
| Harold Cook | Head | — | 40 | ~1900 |
| Rose Cook | Spouse | — | 39 | ~1901 |
| Ruth Cook | Daughter | — | 6 | ~1934 |
| Edward Cook | Son | — | 4 | ~1936 |
| Carlton Cook | Son | — | 12 | ~1928 |
Census Appearances
1920
Delaware, New …
Son, age 20
Delaware, New York · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Harold F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Chauffeur |
| Industry | Private Car |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Delaware, New …
Son, age 30
Delaware, New York · implied b. ~1900 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 23 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Partner |
| Industry | Garage |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Delaware-County, New …
Head, age 40
Delaware-County, New York · implied b. ~1900 — 8 household members
| Surname | Cook |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Stamford Village |
| 1935 Residence (County) | Delaware |
| Occupation | truck driver |
| Industry | trucking |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 452 |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Fred Cook (~0.92 confidence) and father Fred Cook (~0.92 confidence) and mother Minnie Cook (~0.92 confidence) and mother Winnie Cook (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Cook
b. ~1862
Source father
● Household
· direct · ~0.92
Father
Fred Cook
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Minnie Cook
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Winnie Cook
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Cook
Head · 1940 · age 40 · b. ~1900 · New York
★ 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 — Delaware-County, New York
Open full size
1940 US Federal Census — Delaware-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02521-00544)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Barbara Lovern | 19 | Daughter | — | Florida |
| 2 | Grace Lovern | 10 | Daughter | — | Rhode Island |
| 3 | Charles Decker | 32 | Head | Clerk | New York |
| 4 | Margaret D. Decker | 31 | Wife | — | Iowa |
| 5 | Edward Decker | 4 | Son | — | New York |
| 6 | Gaetano Padone | 55 | Head | Laborer | Italy |
| 7 | Anna Padone | 47 | Wife | — | Italy |
| 8 | Richard Padone | 23 | Son | Mechanic | New York |
| 9 | Beatrice D. Padone | 21 | Daughter | Clerk | New York |
| 10 | Leonard Padone | 20 | Son | — | New York |
| 11 | George Jacobson | 26 | Head | Manager | New York |
| 12 | Stella Jacobson | 26 | Wife | Bookkeeper | New York |
| 13 | Robert Jacobson | 1 | Son | — | New York |
| 14 | Henry Stark | 53 | Head | Owner | New York |
| 15 | Alice S. Stark | 46 | Wife | — | New York |
| 16 | Sinclair Snyder | 58 | Head | Telegrapher | New York |
| 17 | Viola Snyder | 55 | Wife | — | New York |
| 18 | Willard Snyder | 32 | Son | Helper | New York |
| 19 | Fred Churchill | 46 | Head | Proprietor | New York |
| 20 | Helen Churchill | 42 | Wife | Bookkeeper | New York |
| 21 | Eileen Churchill | 10 | Daughter | — | New York |
| 22 | Joan Churchill | 7 | Daughter | — | New York |
| 23 | Gordon Churchill | 2 | Son | — | New York |
| 24 | Harold Cook THIS PERSON | 40 | Head | Truck Driver | New York |
| 25 | Rose Cook | 39 | Wife | — | New York |
| 26 | Ferdinand Cook | 15 | Son | — | New York |
| 27 | Carlton Cook | 12 | Son | — | New York |
| 28 | Helen Cook | 10 | Daughter | — | New York |
| 29 | Ruth Cook | 6 | Daughter | — | New York |
| 30 | Edward Cook | 4 | Son | — | New York |
| 31 | Robert Cook | 3 | Son | — | New York |
| 32 | Griffin Husted | 75 | Head | — | New York |
| 33 | Lois Husted | 78 | Wife | — | New York |
| 34 | Susan Wheeler | 62 | Head | — | New York |
| 35 | Eugene Wheeler | 41 | Son | Carpenter | New York |
| 36 | Alta Myers | 42 | Daughter | Operator | New York |
| 37 | Eugenia Myers | 16 | Daughter | — | New York |
| 38 | Glenn Hayner | 36 | Head | Clerk | New York |
| 39 | Clara Hayner | 32 | Wife | — | New York |
| 40 | Doris Hayner | 13 | Daughter | — | New York |
Pedigree Summary
Harold
Gen 1 · 4 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)