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Harold Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Harold Anderson across the 1910, 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed), with identified parents Darius & James — first a son (b.~1909), then head of a 5-person household.
Age 31
b. ~1909
Male
Son
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Anderson |
| Given Name | Harold W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Occupation | Road Tester |
| Industry | Telephone Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 2080 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Road Tester |
| Township / Ward | Denver |
| 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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Dennis Anderson | Head | — | 69 | ~1871 |
| Andrew Anderson | Other | — | 2 | ~1938 |
| Frances Anderson | Other | — | 26 | ~1914 |
| Harold Anderson | Son | — | 31 | ~1909 |
| Effie Anderson | Spouse | — | 60 | ~1880 |
Census Appearances
1910
Denver, Colorado
Son, age 3
Denver, Colorado · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | New York |
| Mother's Birthplace | Ohio |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
Denver, Colorado
Son, age 13
Denver, Colorado · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | New York |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Son, age 22
Denver, Colorado · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Harold E |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | New York |
| Mother's Birthplace | Ohio |
| Occupation | Cable Splicer |
| Industry | Telephone Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Son, age 31
Denver-County, Colorado · implied b. ~1909 — 5 household members
| Surname | Anderson |
| Given Name | Harold W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver |
| 1935 Residence (County) | Denver |
| Occupation | Road Tester |
| Industry | Telephone Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 2080 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Darius Anderson (~0.92 confidence) and father James Anderson (~0.92 confidence) and father Darius Anderson (~0.92 confidence) and father Dennis Anderson (~0.92 confidence) and mother Effie Anderson (~0.92 confidence) and mother Effie Anderson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Darius Anderson
b. ~1870
Source father
● Household
· direct · ~0.92
Father
James Anderson
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Darius Anderson
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Dennis Anderson
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Effie Anderson
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Effie Anderson
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Anderson
Son · 1940 · age 31 · b. ~1909 · 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-t0627-00485-00914)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Percy E. Dickson | 74 | Friend | Night Watchman | England |
| 42 | Melis D. Enswoldson | 75 | Head | — | Norway |
| 43 | Francis L. Enswoldson | 37 | Daughter | Clerk | Colorado |
| 44 | Beverley J. Enswoldson | 12 | Granddaughter | — | Colorado |
| 45 | Paul E. Nelson | 38 | Head | Machinist | Colorado |
| 46 | Edna E. Nelson | 39 | Wife | — | Kansas |
| 47 | Charlotte L. Nelson | 8 | Daughter | — | Colorado |
| 48 | Shirlie M. Nelson | 6 | Daughter | — | Colorado |
| 49 | Dewey W. Johnson | 42 | Head | Manager | Owner | Colorado |
| 50 | Virginia M. Johnson | 36 | Wife | — | Ohio |
| 51 | Robert A. Johnson | 6 | Son | — | Ohio |
| 52 | Charlene M. Johnson | 4 | Daughter | — | Colorado |
| 53 | Martha L. Johnson | 2 | Daughter | — | Colorado |
| 54 | Fred A. Rowley | 26 | Head | Yard Manager | Colorado |
| 55 | Pearl E. Rowley | 23 | Wife | — | Oregon |
| 56 | Raynette A. Rowley | 3 | Daughter | — | Colorado |
| 57 | Fred L. Rowley | 0 | Son | — | Colorado |
| 58 | Dennis B. Anderson | 69 | Head | Carpenter | New York |
| 59 | Effie M. Anderson | 60 | Wife | — | Ohio |
| 60 | Harold W. Anderson THIS PERSON | 31 | Son | Road Tester | Colorado |
| 61 | Frances C. Anderson | 26 | Daughter-in-law | — | Colorado |
| 62 | Andrew H. Anderson | 2 | Grandson | — | Colorado |
| 63 | Arthur T. Stiles | 49 | Head | Asst Manager | Colorado |
| 64 | Stella J. Stiles | 52 | Wife | — | Colorado |
| 65 | Ruth M. Stiles | 15 | Daughter | — | Colorado |
| 66 | Ervin L. Ballow | 63 | Head | — | Michigan |
| 67 | James W. Larkin | 50 | Head | Truck Driver | Illinois |
| 68 | Alice M. Larkin | 49 | Wife | — | Missouri |
| 69 | James G. Larkin | 29 | Son | Steel Worker | Idaho |
| 70 | Dorothy L. Larkin | 16 | Daughter-in-law | — | Colorado |
| 71 | Mary H. Jones | 63 | Head | Matron | Maryland |
| 72 | Nettie H. Jones | 30 | Daughter | Routing Clerk | Colorado |
| 73 | Harry R. Senecal | 73 | Head | Accounting | England |
| 74 | E. Maud Senecal | 60 | Wife | — | Iowa |
| 75 | Carl T. Martin | 54 | Head | Salesman | Iowa |
| 76 | Ora B. Martin | 54 | Wife | — | Iowa |
| 77 | John L. Claver | 24 | Head | Janitor | Nebraska |
| 78 | Virginia M. Claver | 25 | Wife | — | Missouri |
| 79 | Ida H. Wilson | 41 | Head | Purchaser | Colorado |
| 80 | Glen S. Parker | 49 | Roomer | Machinist | Nebraska |
Pedigree Summary
Harold
Gen 1 · 6 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)