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Frank Cook — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clackamas-County, Oregon
Our Model Tree links this Frank Cook across the 1920, 1930 and 1940 US Censuses in Clackamas-County, Oregon (XGBoost, ~Confirmed), with identified parents Joseph & Matilda — first a son (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Male
Son
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clackamas-County, Oregon |
| Surname | Cook |
| Given Name | Frank |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Clackamas |
| Additional Details | |
| Occupation | helper |
| Industry | blacksmith shop |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 196 |
| Highest Grade | No 8 |
| 1935 Residence | Oregon |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Helper |
| Township / Ward | Wichita Sp |
| Est. Birth Year | ~1919 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| George Cook | Head | — | 59 | ~1881 |
| Frank Cook | Son | — | 21 | ~1919 |
| Laura Cook | Spouse | — | 59 | ~1881 |
Census Appearances
1920
Clackamas, Oregon
Son, age 1
Clackamas, Oregon · implied b. ~1919 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Nebraska |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Clackamas, Oregon
Son, age 11
Clackamas, Oregon · implied b. ~1919 — 21 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Frank D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Nebraska |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Clackamas-County, Oregon
Son, age 21
Clackamas-County, Oregon · implied b. ~1919 — 3 household members
| Surname | Cook |
| Given Name | Frank |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Clackamas |
| Occupation | helper |
| Industry | blacksmith shop |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 196 |
| Highest Grade | No 8 |
| 1935 Residence | Oregon |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 Frank Cook across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Hylton (~0.92 confidence) and mother Matilda Hylton (~0.92 confidence) and father George Cook (~0.92 confidence) and father George Cook (~0.92 confidence) and mother Laura Cook (~0.92 confidence) and mother Laura Cook (~0.92 confidence) and mother Della Oldenburg (~0.92 confidence) and mother Laura Cook (~0.92 confidence). The pedigree spans 1 generation with 8 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Hylton
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Matilda Hylton
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
George Cook
b. ~1881
Source father
● Household
· direct · ~0.92
Father
George Cook
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Laura Cook
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Laura Cook
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Della Oldenburg
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Laura Cook
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Cook
Son · 1940 · age 21 · b. ~1919 · Oregon
★ 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 — Clackamas-County, Oregon
Open full size
1940 US Federal Census — Clackamas-County, Oregon
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03355-00836)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lillian M. Hayden | 18 | daughter | — | Oregon |
| 42 | Dorothy J. Hayden | 16 | daughter | — | Oregon |
| 43 | Robert G. Watson | 56 | head | Proprietor | Michigan |
| 44 | Margaret Watson | 55 | wife | Waitress | Michigan |
| 45 | Jack C. Watson | 20 | son | Lubrication | Oregon |
| 46 | Herman C. Flatau | 50 | head | Plumber | Minnesota |
| 47 | Anna Flatau | 57 | wife | — | Illinois |
| 48 | Edith Adam Wittman | 64 | head | Barber | Hungary |
| 49 | Mary K. Wittman | 58 | wife | — | Hungary |
| 50 | Peter O. Kittleson | 49 | head | — | S. Dakota |
| 51 | Anna Kittleson | 44 | wife | — | N. Dakota |
| 52 | Fred Kittleson | 23 | son | Lather | Oregon |
| 53 | Peter O. Passinelli | 52 | head | Proprietor | France |
| 54 | Mary Passinelli | 39 | wife | — | Oregon |
| 55 | Henry J. Passinelli | 23 | son | Salesman | Oregon |
| 56 | Grace Passinelli | 18 | daughter | — | Oregon |
| 57 | Merle Traxler | 28 | head | Driver - Propane | Oregon |
| 58 | Evelyn Traxler | 35 | wife | — | Michigan |
| 59 | Gene Leuthold | 14 | stepson | — | Oregon |
| 60 | Gerald Leuthold | 12 | stepson | — | Oregon |
| 61 | Glen Leuthold | 10 | stepson | — | Oregon |
| 62 | Robert Traxler | 1 | son | — | Oregon |
| 63 | Walter Riley | 38 | head | Gardner | Minnesota |
| 64 | Mary Riley | 37 | wife | — | Washington |
| 65 | Robert Riley | 13 | son | — | Oregon |
| 66 | Frank Riley | 5 | son | — | Oregon |
| 67 | James Riley | 1 | son | — | Oregon |
| 68 | Frank W. Heina | 45 | head | Laborer | Michigan |
| 69 | Lila F. Heina | 25 | wife | — | Oregon |
| 70 | Laura Cook | 3 | niece | — | Oregon |
| 71 | George Cook | 59 | head | Farmer | Nebraska |
| 72 | Laura E. Cook | 59 | wife | — | Nebraska |
| 73 | Frank Cook THIS PERSON | 21 | son | Helper | Oregon |
| 74 | Seth A. Cook | 53 | head | Paving Plant Foreman | N. Dakota |
| 75 | Merle D. Cook | 50 | wife | — | Iowa |
| 76 | James Cook | 15 | son | — | Oregon |
| 77 | Adolph Steen | 39 | head | Carpenter | Norway |
| 78 | Borghild Steen | 35 | wife | — | Norway |
| 79 | Arnold Steen | 11 | son | — | Oregon |
| 80 | Jake Heim | 31 | head | Laborer | Michigan |
Pedigree Summary
Frank
Gen 1 · 8 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)