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Charles Cook — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this Charles Cook across the 1920, 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed), with identified parents Charles & Dorothy — first a son (b.~1920), then head of a 6-person household.
Age 20
b. ~1920
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Cook |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | 10 Election District |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 552 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | 10 Election District |
| Est. Birth Year | ~1920 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Cook | Daughter | — | 8 | ~1932 |
| Charles Cook | Head | — | 52 | ~1888 |
| Melvin Cook | Son | — | 18 | ~1922 |
| Clifton Cook | Son | — | 13 | ~1927 |
| Charles Cook | Son | — | 20 | ~1920 |
| Harvey Cook | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Baltimore, Maryland
Son, age
Baltimore, Maryland · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Charles Robt |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 10
Baltimore, Maryland · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Charles T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Son, age 20
Baltimore-County, Maryland · implied b. ~1920 — 6 household members
| Surname | Cook |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | 10 Election District |
| 1935 Residence (County) | Baltimore |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Income (1939) | 552 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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: father Charles Cook (~0.92 confidence) and mother Dorothy Cook (~0.92 confidence) and mother Martha Cook (~0.92 confidence) and mother Harvey Cook (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Cook
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Dorothy Cook
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Martha Cook
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Harvey Cook
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Cook
Son · 1940 · age 20 · b. ~1920 · Maryland
★ You are viewing this record
Sibling
Clifton Cook
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melvin Cook
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Cook
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Baltimore-County, Maryland
Open full size
1940 US Federal Census — Baltimore-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01505-00655)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Florence M. Barth | 29 | Wife | — | Maryland |
| 2 | Gloria Wilson | 12 | Lodger | — | Maryland |
| 3 | Edward Wilson | 9 | Lodger | — | Maryland |
| 4 | Marilyn R. Wilson | 8 | Lodger | — | Maryland |
| 5 | Winfield R. King | 53 | Head | Linotype Operator | Maryland |
| 6 | Ethel T. King | 48 | Wife | — | Maryland |
| 7 | Royston T. King | 26 | Son | Salesman | Maryland |
| 8 | Ellison B. King | 12 | Son | — | Maryland |
| 9 | Stewart R. Brown | 37 | Head | Carpenter | Maryland |
| 10 | Marie V. Brown | 40 | Wife | — | Maryland |
| 11 | Lytell Brown | 15 | Son | — | Maryland |
| 12 | Katherine Brown | 14 | Daughter | — | Maryland |
| 13 | Mary E. Brown | 12 | Daughter | — | Maryland |
| 14 | Peggy Brown | 8 | Daughter | — | Maryland |
| 15 | Charles H. Cook | 52 | Head | Operator | Maryland |
| 16 | Harvey Cook | 44 | Wife | — | Maryland |
| 17 | Charles Cook THIS PERSON | 20 | Son | Laborer | Maryland |
| 18 | Melvin Cook | 18 | Son | Distributor | Maryland |
| 19 | Clifton Cook | 13 | Son | — | Maryland |
| 20 | Dorothy Cook | 8 | Daughter | — | Maryland |
| 21 | William B. Patterson | 50 | Head | Merchant | Maryland |
| 22 | Miriam Patterson | 39 | Wife | — | Pennsylvania |
| 23 | Richard Patterson | 15 | Son | — | Maryland |
| 24 | Leonore Patterson | 10 | Daughter | — | Maryland |
| 25 | Sterling Morrison | 24 | Boarder | Mechanic | Pennsylvania |
| 26 | Lee H. Mast | 48 | Head | Mechanic | Maryland |
| 27 | Mary L. Mast | 41 | Wife | — | Maryland |
| 28 | Hazel L. Mast | 20 | Daughter | Comptometer | Maryland |
| 29 | John R. Mast | 17 | Son | — | Maryland |
| 30 | Betty Lee Mast | 10 | Daughter | — | Maryland |
| 31 | Andrew C. Duer | 52 | Head | Laborer | Maryland |
| 32 | Anna B. Duer | 41 | Wife | — | Maryland |
| 33 | Liela Ayers | 53 | Head | — | Maryland |
| 34 | Foster Ayers | 23 | Son | Laborer | Maryland |
| 35 | John C. Cromwell | 60 | Head | Laborer | Maryland |
| 36 | Angeline Cromwell | 60 | Wife | Cook | Maryland |
| 37 | Milton Harvey | 21 | Nephew | Laborer | Maryland |
| 38 | F. Ellsworth Rein | 40 | Head | Optometrist | Maryland |
| 39 | Laura Rein | 50 | Wife | — | Maryland |
| 40 | Roy Ford | 22 | Head | Painter | Maryland |
Related Census Records
Pedigree Summary
Charles + 3 siblings
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)