WC
William Cook — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Alabama
Our Model Tree links this William Cook across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Alabama (XGBoost, ~Confirmed), with identified parents Fannie & Fannie — first a son (b.~1914), then head of a 5-person household.
Age 26
b. ~1914
Male
Son
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Alabama |
| Surname | Cook |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | MONTGOMERY CITY |
| 1935 Residence (County) | MONTGOMERY |
| Additional Details | |
| Occupation | Chauffeur |
| Industry | Wholesale Dry Goods Store |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 650 |
| Highest Grade | No 3 |
| 1935 Residence | Samehouse |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Chauffeur |
| Township / Ward | Montgomery City |
| Est. Birth Year | ~1914 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Corrie Caldwell | Daughter | — | 27 | ~1913 |
| Marie Cook | Daughter | — | 24 | ~1916 |
| Fannie Cook | Head | — | 42 | ~1898 |
| Sherman Harris | Other | — | 8 | ~1932 |
| William Cook | Son | — | 26 | ~1914 |
Census Appearances
1920
Montgomery, Alabama
Son, age 7
Montgomery, Alabama · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Montgomery, Alabama
Son, age 16
Montgomery, Alabama · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Montgomery-County, Alabama
Son, age 26
Montgomery-County, Alabama · implied b. ~1914 — 5 household members
| Surname | Cook |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | MONTGOMERY CITY |
| 1935 Residence (County) | MONTGOMERY |
| Occupation | Chauffeur |
| Industry | Wholesale Dry Goods Store |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 650 |
| Highest Grade | No 3 |
| 1935 Residence | Samehouse |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 William Cook across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Fannie Cook (~0.92 confidence) and mother Fannie Cook (~0.92 confidence) and mother Fanny Cook (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Fannie Cook
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Fannie Cook
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Fanny Cook
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Cook
Son · 1940 · age 26 · b. ~1914 · Alabama
★ You are viewing this record
Sibling
Marie Cook
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Corrie Caldwell
Sibling · 1940 · age 27
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 — Montgomery-County, Alabama
Open full size
1940 US Federal Census — Montgomery-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00068-00321)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louis Kinebrew | 28 | Head | Packer | Alabama |
| 2 | Sarah Kinebrew | 26 | Wife | — | Alabama |
| 3 | John Kinebrew | 26 | Brother | Mixer | Alabama |
| 4 | Elijah Burton | 31 | Head | Laborer | Alabama |
| 5 | Magnolia Burton | 25 | Wife | — | Alabama |
| 6 | David Ballard | 58 | Head | Letter Carrier | Alabama |
| 7 | Lura Ballard | 45 | Wife | — | Alabama |
| 8 | David Ballard | 20 | Son | — | Alabama |
| 9 | Althea Ballard | 17 | Daughter | — | Alabama |
| 10 | James A. Ballard | 14 | Son | — | Alabama |
| 11 | Cherry Ballard | 9 | Daughter | — | Alabama |
| 12 | Walter Young | 50 | Head | Bookkeeper | Alabama |
| 13 | Alice Young | 53 | Wife | — | Alabama |
| 14 | Beatrice Parham | 30 | Head | Inspector | Alabama |
| 15 | Louis D. Parham | 17 | Son | — | Alabama |
| 16 | William B. Parham | 16 | Son | — | Alabama |
| 17 | Daisy M. Parham | 14 | Daughter | — | Alabama |
| 18 | Nellie Parham | 11 | Son | — | Alabama |
| 19 | Beatrice Parham | 10 | Daughter | — | Alabama |
| 20 | Blakely Annie Parham | 50 | Mother | — | Alabama |
| 21 | Lucile Reed | 27 | Head | Cook | Alabama |
| 22 | Hattie Wood | 30 | Roomer | Housekeeper | Alabama |
| 23 | Augusta Feeling | 32 | Head | Cook | Alabama |
| 24 | Bustee Harris | 20 | Nephew | Laborer | Alabama |
| 25 | Hellen Adams | 14 | Niece | — | Alabama |
| 26 | Margaret Reynolds | 14 | Niece | — | Alabama |
| 27 | Minerva Rogers | 35 | Head | Maid | Alabama |
| 28 | John Williams | 24 | Cousin | Laborer | Alabama |
| 29 | Daniel Arrington | 26 | Head | Laborer | Alabama |
| 30 | Rebecca Arrington | 25 | Wife | — | Alabama |
| 31 | Jennie Johnson | 40 | Head | Laundress | Alabama |
| 32 | Flossie Johnson | 25 | Daughter | Elevator Operator | Alabama |
| 33 | Edna Johnson | 23 | Daughter | Pocket Facer | Alabama |
| 34 | William Walker | 27 | Head | Attendant | Alabama |
| 35 | Essia Mae Walker | 31 | Wife | — | Alabama |
| 36 | Fannie Cook | 42 | Head | Cook | Alabama |
| 37 | William Cook THIS PERSON | 26 | Son | Chauffeur | Alabama |
| 38 | Marie Cook | 24 | Daughter | Child Nurse | Alabama |
| 39 | Corrie Caldwell | 27 | Daughter | Maid | Alabama |
| 40 | Sherman Harris | 8 | Grandson | — | Alabama |
Pedigree Summary
William + 2 siblings
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)