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Alice Hayes — 1940 US Census Record
Model Tree available1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Alice Hayes across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed), with identified parents Salma — first a daughter (b.~1913), then head of a 4-person household.
Age 27
b. ~1913
Female
Daughter
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Hayes |
| Given Name | Alice H |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Occupation | Clerk |
| Industry | Bookshop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1268 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Clerk |
| Township / Ward | Denver |
| Est. Birth Year | ~1913 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Alice | Age | Birth yr |
|---|---|---|---|---|
| Alice Hayes | Daughter | — | 27 | ~1913 |
| Madeline Peel | Other | — | 30 | ~1910 |
| Bonnie Kolb | Daughter | — | 19 | ~1921 |
| Salma Kolb | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Denver, Colorado
Other, age 6
Denver, Colorado · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayes |
| Given Name | Alice E |
| Relationship to Head | Sister-in-law |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Other, age 17
Denver, Colorado · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayes |
| Given Name | Alice |
| Relationship to Head | Step-daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Daughter, age 27
Denver-County, Colorado · implied b. ~1913 — 4 household members
| Surname | Hayes |
| Given Name | Alice H |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver |
| 1935 Residence (County) | Denver |
| Occupation | Clerk |
| Industry | Bookshop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1268 |
| 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 Alice Hayes across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Salma Kolb (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Salma Kolb
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alice Hayes
Daughter · 1940 · age 27 · b. ~1913 · Colorado
★ You are viewing this record
Sibling
Bonnie Kolb
Sibling · 1940 · age 19
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 — Denver-County, Colorado
Open full size
1940 US Federal Census — Denver-County, Colorado
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00488-00351)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Salma D Kolb | 52 | wife | — | Colorado |
| 2 | Bonnie I Kolb | 19 | daughter | — | Colorado |
| 3 | Alice H Hayes THIS PERSON | 27 | daughter | Clerk | Colorado |
| 4 | Madeline G Peel | 30 | servant | Maid | Kansas |
| 5 | Charles W Webb | 43 | head | Owner | Illinois |
| 6 | Gertrude H Webb | 70 | mother | — | Illinois |
| 7 | G Harold Sare | 39 | head | Representative Salesman | Indiana |
| 8 | Mary V Sare | 34 | wife | — | Missouri |
| 9 | Robert H Sare | 7 | son | — | Colorado |
| 10 | Etta Leigh | 34 | servant | Maid | Kentucky |
| 11 | William S Agren | 33 | head | Booker | Iowa |
| 12 | Maxine E Agren | 21 | wife | — | Colorado |
| 13 | Lillian E Oliver | 50 | head | Teacher | Missouri |
| 14 | Lucy M Oliver | 72 | mother | — | New York |
| 15 | Stanley W Russell | 41 | head | Salesmanager | Colorado |
| 16 | Mildred G Russell | 42 | wife | — | Colorado |
| 17 | Willard J Moore | 29 | head | Partner | Colorado |
| 18 | Marjorie W Moore | 27 | wife | — | California |
| 19 | Willard J Jr Moore | 4 | son | — | Colorado |
| 20 | Allen D Raymond | 72 | head | — | California |
| 21 | Harriet K Raymond | 56 | wife | — | Tennessee |
| 22 | John C Raymond | 31 | son | Mechanical Engineer | Colorado |
| 23 | Willoughby M Lowe | 48 | head | Branch Manager | Kansas |
| 24 | Effie W Lowe | 47 | wife | — | Wisconsin |
| 25 | Rosalie J Lowe | 14 | daughter | — | Missouri |
| 26 | Hermann B Stein | 43 | head | Medical Doctor | Indiana |
| 27 | Mindell W Stein | 39 | wife | — | Louisiana |
| 28 | Donald W Stein | 12 | son | — | Colorado |
| 29 | Janet R Stein | 9 | daughter | — | Colorado |
| 30 | Blanche S Brown | 25 | servant | Maid | Colorado |
| 31 | Evelyn H Palmer | 56 | head | — | Iowa |
| 32 | Eugenie H Palmer | 30 | daughter | — | Iowa |
| 33 | Thomas S Herbert | 38 | head | Manager | Colorado |
| 34 | Gwendolyne Herbert | 38 | wife | — | Colorado |
| 35 | Louise Herbert | 18 | daughter | — | Colorado |
| 36 | Robert H Mace | 26 | head | Owner | Colorado |
| 37 | Elizabeth B Mace | 27 | wife | — | California |
| 38 | Nadine A Towler | 27 | servant | Maid | Colorado |
| 39 | Harold H Cox | 37 | head | Secretary | Michigan |
Pedigree Summary
Alice + 1 sibling
Gen 1 · 1 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)