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Charles Cook — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marshall-County, Iowa
Our Model Tree links this Charles Cook across the 1920, 1930 and 1940 US Censuses in Marshall-County, Iowa (XGBoost, ~Confirmed), with identified parents Mae & May — first a son (b.~1916), then head of a 2-person household.
Age 24
b. ~1916
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marshall-County, Iowa |
| Surname | Cook |
| Given Name | Charles E |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Marshalltown |
| 1935 Residence (County) | Marshall |
| Additional Details | |
| Occupation | Drafter |
| Industry | Furnace Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Drafter |
| Township / Ward | Marshalltown |
| Est. Birth Year | ~1916 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Mae Cook | Head | — | 58 | ~1882 |
| Charles Cook | Son | — | 24 | ~1916 |
Census Appearances
1920
Marshall, Iowa
Son, age 4
Marshall, Iowa · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Charles E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Montana |
| Mother's Birthplace | Delaware |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Marshall, Iowa
Son, age 14
Marshall, Iowa · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Charles E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Montana |
| Mother's Birthplace | Delaware |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Marshall-County, Iowa
Son, age 24
Marshall-County, Iowa · implied b. ~1916 — 2 household members
| Surname | Cook |
| Given Name | Charles E |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Marshalltown |
| 1935 Residence (County) | Marshall |
| Occupation | Drafter |
| Industry | Furnace Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Charles Cook across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mae Cook (~0.92 confidence) and mother May Cook (~0.92 confidence) and mother Adelia Cook (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mae Cook
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
May Cook
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Adelia Cook
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Cook
Son · 1940 · age 24 · b. ~1916 · Iowa
★ 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 — Marshall-County, Iowa
Open full size
1940 US Federal Census — Marshall-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01182-00812)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Patricia Campbell | 15 | daughter | — | Iowa |
| 2 | George Campbell | 13 | son | — | Iowa |
| 3 | Thomas Campbell | 8 | son | — | Iowa |
| 4 | Mae Cook | 58 | Head | — | Delaware |
| 5 | Charles E Cook THIS PERSON | 24 | son | Drafter | Iowa |
| 6 | Frank Cook | 35 | Head | Machinist | Iowa |
| 7 | Dorothy W Cook | 34 | wife | — | Iowa |
| 8 | John W Cook | 13 | son | — | Iowa |
| 9 | Alice Cook | 8 | daughter | — | Iowa |
| 10 | Eric Blasch | 51 | Head | Barber | Germany |
| 11 | Katherine Blasch | 45 | wife | — | Germany |
| 12 | Marguerite Blasch | 23 | daughter | — | D.C. |
| 13 | Eric Blasch | 21 | son | Asst | Tennessee |
| 14 | Virginia Blasch | 20 | daughter | Maid | Texas |
| 15 | Robert Blasch | 18 | son | Bottler | Iowa |
| 16 | Ruth Blasch | 17 | daughter | Maid | Iowa |
| 17 | Helen Blasch | 12 | daughter | — | Iowa |
| 18 | Bernie E Mishler | 48 | Head | Painter | Iowa |
| 19 | Mary Mishler | 47 | wife | — | Iowa |
| 20 | Jesse Mishler | 23 | son | — | Iowa |
| 21 | Franklin Mishler | 22 | son | Truck Driver | Iowa |
| 22 | Herbert Mishler | 18 | son | — | Iowa |
| 23 | Robert Mishler | 13 | son | — | Iowa |
| 24 | Beuven Plant | 50 | Head | — | Iowa |
| 25 | Edward Wilson | 62 | Head | — | Missouri |
| 26 | Laura Wilson | 55 | wife | Carpenter | Iowa |
| 27 | Richard Wilson | 16 | son | — | Iowa |
| 28 | Dean Wilson | 9 | son | — | Iowa |
| 29 | Joan Wilson | 8 | daughter | — | Iowa |
| 30 | Charles Elliott | 58 | Head | Polisher | Iowa |
| 31 | Clara Elliott | 52 | wife | Maid | Iowa |
| 32 | Grace Elliott | 22 | daughter | Maid | Iowa |
| 33 | Eunice Elliott | 16 | daughter | — | Iowa |
| 34 | Emma Elliott | 12 | daughter | — | Iowa |
| 35 | John Elliott | 10 | son | — | Iowa |
| 36 | Theodore Mcwilson | 31 | Head | Carpenter | Iowa |
| 37 | Dorothy Mcwilson | 28 | wife | — | Iowa |
| 38 | Dorothy M Mcwilson | 8 | daughter | — | Iowa |
| 39 | Theodore Jr Mcwilson | 6 | son | — | Iowa |
| 40 | Betty Mcwilson | 3 | daughter | — | Iowa |
Pedigree Summary
Charles
Gen 1 · 3 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)