LC
Lillian Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hamilton-County, Tennessee
Our Model Tree links this Lillian Cook across the 1930 and 1940 US Censuses in Hamilton-County, Tennessee (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 12-person household.
Age 16
b. ~1924
Female
Daughter
Born: Tennessee
Separated
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Tennessee |
| Surname | Cook |
| Given Name | Lillian |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Separated |
| Birthplace | Tennessee |
| 1935 Residence (City) | Chattanooga |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Chattanooga |
| Est. Birth Year | ~1924 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lillian | Age | Birth yr |
|---|---|---|---|---|
| Betty Cook | Daughter | — | 7 | ~1933 |
| Louise Cook | Other | — | 3 | ~1937 |
| Emma Cook | Daughter | — | 15 | ~1925 |
| Willie Cook | Son | — | 21 | ~1919 |
| Maurice Cook | Son | — | ~1940 | |
| Louise Cook | Head | — | 41 | ~1899 |
| Barbara Cook | Other | — | ~1940 | |
| James Cook | Other | — | 6 | ~1934 |
| Lillian Cook | Daughter | — | 16 | ~1924 |
| Lela Cook | Daughter | — | 19 | ~1921 |
| Thomas Cook | Other | — | 2 | ~1938 |
| Margaret Cook | Daughter | — | 10 | ~1930 |
Census Appearances
1930
Hamilton, Tennessee
Daughter, age 5
Hamilton, Tennessee · implied b. ~1925 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Alabama |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Hamilton-County, Tennessee
Daughter, age 16
Hamilton-County, Tennessee · implied b. ~1924 — 12 household members
| Surname | Cook |
| Given Name | Lillian |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Separated |
| Birthplace | Tennessee |
| 1935 Residence (City) | Chattanooga |
| 1935 Residence (County) | Hamilton |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Lillian Cook across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lillian Cook
Daughter · 1940 · age 16 · b. ~1924 · Tennessee
★ You are viewing this record
Sibling
Margaret Cook
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lela Cook
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Cook
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maurice Cook
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Cook
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Cook
Sibling · 1940 · age 21
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 — Hamilton-County, Tennessee
Open full size
1940 US Federal Census — Hamilton-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03951-00518)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dorthy Haskins | 23 | boarder | — | Tennessee |
| 42 | Bernice Donelson | 25 | cousin | — | Tennessee |
| 43 | James Greene | 38 | head | Presser | Georgia |
| 44 | Priscilla X Greene | 19 | wife | — | Tennessee |
| 45 | Jo Ann Greene | 1 | daughter | — | Tennessee |
| 46 | Laura Maddox | 58 | mother | — | Georgia |
| 47 | Ella Wyatt | 45 | head | — | Georgia |
| 48 | Hubert Wyatt | 45 | head | Janitor | Tennessee |
| 49 | Columbus Wyatt | 30 | son | Laborer | Tennessee |
| 50 | Hubert Jr. Wyatt | 20 | son | — | Tennessee |
| 51 | Curtis Wyatt | 19 | son | Laborer | Tennessee |
| 52 | Columbus Jr. Wyatt | 8 | grandson | — | Tennessee |
| 53 | Ida Fletcher | 67 | mother | — | Alabama |
| 54 | Viola Fletcher | 19 | daughter | Laborer | Tennessee |
| 55 | James Moore | 38 | head | Janitor | Alabama |
| 56 | Leona Moore | 35 | wife | Maid | Alabama |
| 57 | Mary Fields | 65 | head | Wash Woman | Georgia |
| 58 | Gertrude X Jerdine | 45 | head | Maid | Alabama |
| 59 | Eleanor Jerdine | 22 | daughter | Maid | Tennessee |
| 60 | Oscar Jerdine | 18 | son | New Worker | Tennessee |
| 61 | Norman Jerdine | 6 | daughter | — | Tennessee |
| 62 | Will Wiley | 45 | boarder | Laborer | Alabama |
| 63 | Jerdin Ford | 45 | head | Laborer | Alabama |
| 64 | Anna Ford | 43 | wife | Maid | Alabama |
| 65 | Walter Ford | 26 | son | Laborer | Alabama |
| 66 | Charles Coleman | 24 | boarder | Barber | Georgia |
| 67 | Claude Craven | 26 | head | Laborer | Georgia |
| 68 | Clara X Craven | 25 | wife | Maid | Georgia |
| 69 | Louise Cook | 41 | head | Maid | Alabama |
| 70 | Willie Cook | 21 | son | Butcher | Tennessee |
| 71 | Lela Cook | 19 | daughter | Maid | Tennessee |
| 72 | Lillian Cook THIS PERSON | 16 | daughter | — | Tennessee |
| 73 | Emma Cook | 15 | daughter | — | Tennessee |
| 74 | Margaret Cook | 10 | daughter | — | Tennessee |
| 75 | Betty June Cook | 7 | daughter | — | Tennessee |
| 76 | James Cook | 6 | grandson | — | Tennessee |
| 77 | Louise Cook | 3 | granddaughter | — | Tennessee |
| 78 | Thomas Cook | 2 | grandson | — | Tennessee |
| 79 | Barbara Cook | 0 | granddaughter | — | Tennessee |
| 80 | Maurice Cook | 0 | son | — | Tennessee |
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)