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Mary Brooks — 1940 US Census Record
Model Tree available1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Mary Brooks across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed), with identified parents William & William — first a daughter (b.~1916), then head of a 6-person household.
Age 24
b. ~1916
Female
Daughter
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Brooks |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City and County |
| 1935 Residence (County) | Denver City and County |
| Additional Details | |
| Occupation | Registered Nurse |
| Industry | Nursing |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 780 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Registered Nurse |
| Township / Ward | Denver City And County |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Brooks | Daughter | — | 24 | ~1916 |
| William Brooks | Head | — | 72 | ~1868 |
| Margaret Sullivan | Other | — | 77 | ~1863 |
| Kathleen Rowley | Other | — | 39 | ~1901 |
| Nellie Callow | Other | — | 60 | ~1880 |
| Joanna Kendlam | Other | — | 76 | ~1864 |
Census Appearances
1920
Denver, Colorado
Daughter, age 4
Denver, Colorado · implied b. ~1916 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brooks |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | S. Dakota |
| Mother's Birthplace | Illinois |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Daughter, age 14
Denver, Colorado · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brooks |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Nebraska |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Daughter, age 24
Denver-County, Colorado · implied b. ~1916 — 6 household members
| Surname | Brooks |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver City and County |
| 1935 Residence (County) | Denver City and County |
| Occupation | Registered Nurse |
| Industry | Nursing |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 780 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Mary Brooks across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Brooks (~0.92 confidence) and father William Brooks (~0.92 confidence) and father William Brooks (~0.92 confidence) and mother Elizabeth Brooks (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Brooks
b. ~1867
Source father
● Household
· direct · ~0.92
Father
William Brooks
b. ~1868
Source father
● Household
· direct · ~0.92
Father
William Brooks
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Brooks
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Brooks
Daughter · 1940 · age 24 · b. ~1916 · Colorado
★ 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 — Denver-County, Colorado
Open full size
1940 US Federal Census — Denver-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00490-00151)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John E. Stoner | 39 | Head | Manager | Nebraska |
| 42 | Myrtle E. Stoner | 40 | Wife | — | Nebraska |
| 43 | Eleanore L. Meredith | 46 | Head | Housekeeper | Nebraska |
| 44 | Edith Cunningham | 50 | Head | Practical Nurse | Colorado |
| 45 | Boyd L. Cunningham | 20 | Son | — | New Mexico |
| 46 | George Lee Cunningham | 16 | Son | — | New Mexico |
| 47 | Marie Adams | 47 | Head | Housework | Iowa |
| 48 | Harold A. Adams | 14 | Son | — | Nebraska |
| 49 | Leland Franklin | 40 | Head | Oilfeeder | Iowa |
| 50 | Sonja Pauley | 27 | Head | Nurse | Nebraska |
| 51 | Ollie Wingate | 43 | Head | Power Machine | Texas |
| 52 | Mildred Wingate | 16 | Daughter | — | Arkansas |
| 53 | Thelma Zapp | 23 | Head | Cooking | Colorado |
| 54 | Thelma Golden | 43 | Head | Laborer | Arkansas |
| 55 | Gerald P. Golden | 17 | Son | B.O. Clerk | Colorado |
| 56 | Maud A. Maynard | 60 | Head | Housework | Illinois |
| 57 | Hattie S. Maynard | 58 | Sister | Housework | Illinois |
| 58 | Albert Faeglein | 63 | Head | Mechanic | Indiana |
| 59 | Mary L. Faeglein | 55 | Wife | Manager | Wisconsin |
| 60 | Avie Carmichael | 49 | Head | Grocery Clerk | Nebraska |
| 61 | George C. Link | 68 | Head | Appliance Service Dept | Wisconsin |
| 62 | Laura J. Link | 64 | Wife | — | Wisconsin |
| 63 | Rose E. Cross | 69 | Sister-in-law | Buyer & Art Dept. | Wisconsin |
| 64 | Julia G. Stanton | 71 | Head | — | Ohio |
| 65 | Trada Sudekoff | 41 | Head | Registered Nurse | Russia |
| 66 | Florence A. Walker | 71 | Head | — | Minnesota |
| 67 | William J. Brooks | 72 | Head | Retired | Illinois |
| 68 | Mary Jane Brooks THIS PERSON | 24 | Daughter | Registered Nurse | Colorado |
| 69 | Joanna Kendlam | 76 | Sister-in-law | — | New Jersey |
| 70 | Nellie Callow | 60 | Servant | Maid | Illinois |
| 71 | Kathleen Rowley | 39 | Lodger | Beauty Operator | Utah |
| 72 | Handley | None | Lodger | — | — |
| 73 | Margaret Sullivan | 77 | Lodger | — | Pennsylvania |
| 74 | William Williams | 24 | Head | Grocery Salesman | Missouri |
| 75 | Katherine Williams | 25 | Wife | Saleslady | Missouri |
| 76 | Chris D. Basel | 47 | Head | Handy Saleslady | Turkey |
| 77 | Laura Basel | 32 | Wife | Saleslady | Colorado |
| 78 | Joseph Bookman | 58 | Head | Fruit Store | Nebraska |
| 79 | Mary Bookman | 58 | Wife | — | Austria |
| 80 | Ruth M. Kullen | 29 | Daughter | Bookkeeper Stenographer | Colorado |
Pedigree Summary
Mary
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)