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Harold Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clear-Creek-County, Colorado
Our Model Tree links this Harold Anderson across the 1920, 1930 and 1940 US Censuses in Clear-Creek-County, Colorado (XGBoost, ~Confirmed), with identified parents Frank & Pearl — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clear-Creek-County, Colorado |
| Surname | Anderson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | division of county #4 S.S. 72473 W Brookvale Precinct 13 |
| 1935 Residence (County) | Clear Creek |
| Additional Details | |
| Occupation | Laborer |
| Industry | General |
| Class of Worker | PW |
| Hours Worked | 13 |
| Income (1939) | 500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Laborer |
| Township / Ward | Division Of County 4 Ss 72473 W Brookvale Precinct 13 |
| Est. Birth Year | ~1919 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Frank Anderson | Head | — | 55 | ~1885 |
| Walter Anderson | Son | — | 14 | ~1926 |
| Harold Anderson | Son | — | 21 | ~1919 |
| Pearl Anderson | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Clear Creek, …
Other, age 1
Clear Creek, Colorado · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Harold |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Clear Creek, …
Son, age 11
Clear Creek, Colorado · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Harold T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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
Clear-Creek-County, Colorado
Son, age 21
Clear-Creek-County, Colorado · implied b. ~1919 — 4 household members
| Surname | Anderson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | division of county #4 S.S. 72473 W Brookvale Precinct 13 |
| 1935 Residence (County) | Clear Creek |
| Occupation | Laborer |
| Industry | General |
| Class of Worker | PW |
| Hours Worked | 13 |
| Income (1939) | 500 |
| Highest Grade | Hs 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 Harold Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Anderson (~0.92 confidence) and mother Pearl Anderson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Anderson
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Pearl Anderson
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Anderson
Son · 1940 · age 21 · b. ~1919 · Colorado
★ You are viewing this record
Sibling
Walter Anderson
Sibling · 1940 · age 14
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 — Clear-Creek-County, Colorado
Open full size
1940 US Federal Census — Clear-Creek-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00458-00571)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dick Aikerman | 42 | Head | Farm | New Mexico |
| 2 | Elvera Aikerman | 32 | Wife | — | New Mexico |
| 3 | Raymond J Lunn | 15 | Stepson | — | Colorado |
| 4 | Suzanne Aikerman | 4 | Daughter | — | Colorado |
| 5 | George M Aikerman | 71 | Head | — | Missouri |
| 6 | William J Foyatt | 34 | Head | Game Warden | Colorado |
| 7 | Dorothy Foyatt | 28 | Wife | — | Colorado |
| 8 | Jo Ann Foyatt | 11 | Daughter | — | Colorado |
| 9 | Gregory Foyatt | 5 | Son | — | Colorado |
| 10 | William Worley | 24 | Head | Farm | Missouri |
| 11 | June Worley | 25 | Wife | — | Colorado |
| 12 | Billy Jean Worley | 1 | Daughter | — | Colorado |
| 13 | Harry Zimmerman | 49 | Head | Farm | Ohio |
| 14 | Leona Zimmerman | 48 | Wife | — | Kansas |
| 15 | Edward Brandt | 61 | Head | — | Sweden |
| 16 | Emma Mason | 77 | Head | — | Missouri |
| 17 | Leslie Mason | 56 | Son | Postmaster | Missouri |
| 18 | John Hurley | 39 | Head | Construction | Colorado |
| 19 | Gladys Hurley | 34 | Wife | — | Colorado |
| 20 | Clarence Fagley | 13 | Stepson | — | Colorado |
| 21 | Marvin Hurley | 9 | Son | — | Colorado |
| 22 | Virginia Hurley | 6 | Daughter | — | Colorado |
| 23 | Laverne Hurley | 5 | Daughter | — | Colorado |
| 24 | Theodore Hurley | 1 | Son | — | Colorado |
| 25 | James Sacra | 43 | Head | Farm | Illinois |
| 26 | Myrtle Sacra | 42 | Wife | — | Missouri |
| 27 | Frank Anderson | 55 | Head | Mail Carrier | Colorado |
| 28 | Pearl Anderson | 45 | Wife | — | Colorado |
| 29 | Harold Anderson THIS PERSON | 21 | Son | Laborer | Colorado |
| 30 | Walter Anderson | 14 | Son | Student | Colorado |
| 31 | George Walsh | 46 | Head | Operator | Illinois |
| 32 | Bernice Walsh | 51 | Wife | — | Michigan |
| 33 | Janet Doughty | 26 | Stepdaughter | — | Michigan |
| 34 | Charles Davis | 81 | Head | Owner-Retired | Missouri |
| 35 | Arthur Butler | 53 | Head | Operator-Mgr | Iowa |
| 36 | Nellie Butler | 47 | Wife | — | Texas |
| 37 | Virginia Groom | 66 | Mother-in-law | — | Texas |
| 38 | Mary Smith | 20 | Stepdaughter | — | Texas |
| 39 | Price Hobbs | 71 | Head | Retired Caretaker | Missouri |
| 40 | Bryan Schwartz | 43 | Head | Employee | Colorado |
Pedigree Summary
Harold + 1 sibling
Gen 1 · 2 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)