HC
Harold Cook — 1940 US Census Record
Model Tree available1940 United States Federal Census · Erie-County, New York
Our Model Tree links this Harold Cook across the 1920, 1930 and 1940 US Censuses in Erie-County, New York (XGBoost, ~Confirmed), with identified parents Albert & Burt — first a son (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Erie-County, New York |
| Surname | Cook |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Evans |
| 1935 Residence (County) | Erie |
| Additional Details | |
| Occupation | Labor |
| Industry | Steel mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Labor |
| Township / Ward | Evans |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| Caroline Cook | Spouse | — | 61 | ~1879 |
| Albert Cook | Head | — | 45 | ~1895 |
| Harold Cook | Son | — | 23 | ~1917 |
Census Appearances
1920
Erie, New …
Son, age 2
Erie, New York · implied b. ~1918 — 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 | 2 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Erie, New …
Son, age 13
Erie, New York · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Harold |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Erie-County, New …
Son, age 23
Erie-County, New York · implied b. ~1917 — 3 household members
| Surname | Cook |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Evans |
| 1935 Residence (County) | Erie |
| Occupation | Labor |
| Industry | Steel mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 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 Albert Cook (~0.92 confidence) and father Burt Cook (~0.92 confidence) and mother Caroline Cook (~0.92 confidence) and mother Caroline Cook (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Cook
b. ~1895
Source father
● Household
· direct · ~0.92
Father
Burt Cook
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Caroline Cook
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Caroline Cook
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Cook
Son · 1940 · age 23 · b. ~1917 · 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 — Erie-County, New York
Open full size
1940 US Federal Census — Erie-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02526-00977)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Phyllis Cramer | 3 | Daughter | — | New York |
| 2 | Sophia Junkel | 75 | Head | — | Germany |
| 3 | John Junkel | 37 | Son | Truck Driver | New York |
| 4 | Alma Junkel | 31 | Daughter-in-law | Stenographer | New York |
| 5 | Stanley Ritkowski | 45 | Head | Labor | New York |
| 6 | Stella Ritkowski | 39 | Wife | — | Poland |
| 7 | Catherine Ritkowski | 14 | Daughter | — | New York |
| 8 | Mary Ritkowski | 14 | Daughter | — | New York |
| 9 | Freda Ritkowski | 14 | Daughter | — | New York |
| 10 | Frances Ritkowski | 15 | Daughter | — | New York |
| 11 | Stella Ritkowski | 14 | Daughter | — | New York |
| 12 | Alice Ritkowski | 13 | Daughter | — | New York |
| 13 | Sophie Ritkowski | 12 | Daughter | — | New York |
| 14 | Clara Ritkowski | 11 | Daughter | — | New York |
| 15 | Josephine Ritkowski | 10 | Daughter | — | New York |
| 16 | Adam Ritkowski | 9 | Son | — | New York |
| 17 | Virginia Ritkowski | 8 | Daughter | — | New York |
| 18 | Eve Ritkowski | 7 | Daughter | — | New York |
| 19 | Elizabeth Ritkowski | 3 | Daughter | — | New York |
| 20 | Stanley Ritkowski | 0 | Son | — | New York |
| 21 | Raymond Lawrence | 53 | Head | — | New York |
| 22 | William Lawrence | 24 | Son | Farm Worker | New York |
| 23 | Rodger Shultz | 56 | Lodger | Farm Worker | New York |
| 24 | William Jager | 72 | Head | Farm Labor | Germany |
| 25 | Tracy Jager | 63 | Wife | — | New York |
| 26 | Fred Jager | 34 | Son | Farm Labor | New York |
| 27 | Florine Jager | 29 | Daughter | — | New York |
| 28 | Mable Jager | 20 | Daughter | — | New York |
| 29 | Richard Jager | 19 | Son | — | New York |
| 30 | Harry Jager | 27 | Son | Mechanic | New York |
| 31 | Albert Cook | 45 | Head | Farm Labor | New York |
| 32 | Caroline Cook | 61 | Wife | — | New York |
| 33 | Harold Cook THIS PERSON | 23 | Son | Labor | New York |
| 34 | Nicklos Abbor | 59 | Head | Proprietor | Michigan |
| 35 | Agnes Abbor | 59 | Wife | Partner | Michigan |
| 36 | Mary Abbor | 23 | Daughter | — | New York |
| 37 | Raymond Gans | 31 | Head | Driving | New York |
| 38 | Ruth Gans | 22 | Wife | — | New York |
| 39 | Margaret Gans | 5 | Daughter | — | New York |
| 40 | Richard Gans | 4 | Son | — | 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)