MC
Mildred Cook — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Mildred Cook across the 1910, 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents William & Aurelia — first a daughter (b.~1909), then head of a 5-person household.
Age 31
b. ~1909
Female
Daughter
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Cook |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Lockland |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Class of Worker | No |
| Hours Worked | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Lockland |
| Est. Birth Year | ~1909 |
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 Mildred | Age | Birth yr |
|---|---|---|---|---|
| Aurelia Cook | Spouse | — | 69 | ~1871 |
| Ray Cook | Other | — | 7 | ~1933 |
| William Cook | Head | — | 73 | ~1867 |
| Acus Cook | Other | — | 38 | ~1902 |
| Mildred Cook | Daughter | — | 31 | ~1909 |
Census Appearances
1910
Hamilton, Ohio
Daughter, age 1
Hamilton, Ohio · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Mildred |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Hamilton, Ohio
Daughter, age 10
Hamilton, Ohio · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Daughter, age 21
Hamilton, Ohio · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Saleslady |
| Industry | Candy Retail |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Daughter, age 31
Hamilton-County, Ohio · implied b. ~1909 — 5 household members
| Surname | Cook |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Lockland |
| 1935 Residence (County) | Hamilton |
| Class of Worker | No |
| Hours Worked | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Mildred Cook across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Cook (~0.92 confidence) and mother Aurelia Cook (~0.92 confidence) and father Cook 108 (~0.92 confidence) and father James Cook (~0.92 confidence) and father William Cook (~0.92 confidence) and mother Ada Cook (~0.92 confidence) and mother Ada Cook (~0.92 confidence). The pedigree spans 1 generation with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Cook
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Aurelia Cook
b. ~1871
Source mother
● Household
· direct · ~0.92
Father
Cook 108
b. ~1875
Source father
● Household
· direct · ~0.92
Father
James Cook
b. ~1875
Source father
● Household
· direct · ~0.92
Father
William Cook
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Ada Cook
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Ada Cook
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mildred Cook
Daughter · 1940 · age 31 · b. ~1909 · Ohio
★ 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 — Hamilton-County, Ohio
Open full size
1940 US Federal Census — Hamilton-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03077-00678)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Christopher | 57 | Head | Carpenter | Ohio |
| 2 | Elizabeth Christopher | 52 | Wife | — | Kentucky |
| 3 | Maude Henge | 49 | Sister-in-law | Assistant Bookkeeper | Kentucky |
| 4 | William D. Spallman | 61 | Head | — | Tennessee |
| 5 | Cora Spallman | 56 | Wife | — | Tennessee |
| 6 | Willie M. Spallman | 21 | Daughter | Bottle Packer | Tennessee |
| 7 | Theodore H. Spallman | 19 | Son | New Worker | Tennessee |
| 8 | Chester G. Adams | 27 | Son-in-law | Cupola Operator | Kentucky |
| 9 | Ola Mae Adams | 27 | Daughter | — | Tennessee |
| 10 | John W. Edington | 63 | Head | Locomotive Engineer | Ohio |
| 11 | Louise Edington | 63 | Wife | — | Ohio |
| 12 | Helen Edington | 27 | Daughter | Stenographer | Ohio |
| 13 | Dorothy Edington | 27 | Daughter | Soap Packer | Ohio |
| 14 | Mary Edington | 21 | Daughter | Box Maker | Ohio |
| 15 | Annie Edington | 19 | Daughter | Book Packer | Ohio |
| 16 | Son Robert | None | M | Steam Railroad | — |
| 17 | Helen Edington | 30 | Daughter-in-law | — | Ohio |
| 18 | Robert Edington | 4 | Grandson | — | Ohio |
| 19 | Jane Edington | 4 | Granddaughter | — | Ohio |
| 20 | Sylvia J. Morrow | 76 | Head | — | Ohio |
| 21 | Robert D. Henry | 65 | Head | Manager | Kentucky |
| 22 | Hanna Henry | 61 | Wife | — | Kentucky |
| 23 | Marie Catherine Henry | 62 | Sister | Housekeeper | Ohio |
| 24 | Raleigh Reed | 47 | Head | Laborer | Kentucky |
| 25 | Mary Reed | 40 | Wife | Machine Operator | Kentucky |
| 26 | Valda Rose | 69 | Head | — | Ohio |
| 27 | Anna Rose | 68 | Wife | — | Ohio |
| 28 | Miranda Young | 61 | Lodger | Housekeeper | Ohio |
| 29 | Katherine Fowler | 62 | Head | — | Ohio |
| 30 | Esther Fowler | 39 | Daughter | File Clerk | Ohio |
| 31 | Helen Fowler | 32 | Daughter | Operator | Ohio |
| 32 | Robert Fowler | 10 | Grandson | — | Ohio |
| 33 | Dolores Fowler | 7 | Granddaughter | — | Ohio |
| 34 | William Cook | 73 | Head | — | New York |
| 35 | Aurelia Cook | 69 | Wife | — | Ohio |
| 36 | Acus Ray Cook | 38 | Son-in-law | Superintendent | Ohio |
| 37 | Mildred Cook THIS PERSON | 31 | Daughter | — | Ohio |
| 38 | Ray Cook | 7 | Grandson | — | Ohio |
| 39 | Arthur T. Murphy | 57 | Head | Traveling Salesman | Iowa |
| 40 | Effie Murphy | 55 | Wife | — | West Virginia |
Pedigree Summary
Mildred
Gen 1 · 7 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)