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William Erickson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montezuma-County, Colorado
Our Model Tree links this William Erickson across the 1920, 1930 and 1940 US Censuses in Montezuma-County, Colorado (XGBoost, ~Confirmed), with identified parents Henry & Anna — first a head (b.~1900), then head of a 5-person household.
Age 40
b. ~1900
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montezuma-County, Colorado |
| Surname | Erickson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Election Precinct 9 Dolores |
| Additional Details | |
| Occupation | Farmer |
| Industry | Fruit |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Farmer |
| Township / Ward | Election Precinct 9 Dolores |
| Est. Birth Year | ~1900 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Catherine Erickson | Daughter | — | 1 | ~1939 |
| Anna Erickson | Other | — | 67 | ~1873 |
| Irene Erickson | Daughter | — | 2 | ~1938 |
| William Erickson | Head | — | 40 | ~1900 |
| Rita Erickson | Spouse | — | 19 | ~1921 |
Census Appearances
1920
Montezuma, Colorado
Son, age 21
Montezuma, Colorado · implied b. ~1899 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ericson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Occupation | Laborer |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Montezuma, Colorado
Son, age 30
Montezuma, Colorado · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Erickson |
| Given Name | William E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Finland |
| Mother's Birthplace | Finland |
| Occupation | Farmer |
| Industry | Gen Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Montezuma-County, Colorado
Head, age 40
Montezuma-County, Colorado · implied b. ~1900 — 5 household members
| Surname | Erickson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Election Precinct 9 Dolores |
| Occupation | Farmer |
| Industry | Fruit |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 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 William Erickson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Ericson (~0.92 confidence) and mother Anna Erickson (~0.92 confidence) and mother Anna Ericson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Ericson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Anna Erickson
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Anna Ericson
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Erickson
Head · 1940 · age 40 · b. ~1900 · 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 — Montezuma-County, Colorado
Open full size
1940 US Federal Census — Montezuma-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00471-00457)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Theodore Parker | 33 | Head | Farmer | Missouri |
| 42 | May Parker | 33 | Wife | Housewife | Missouri |
| 43 | Virgil Parker | 17 | Son | — | Colorado |
| 44 | Ends Hera | None | 32-37-15 and | — | — |
| 45 | Mary Kendrick | 63 | Head | Retired | Virginia |
| 46 | Alvin Raskey | 34 | Head | Farmer | Colorado |
| 47 | Dorothy Raskey | 30 | Wife | Housewife | Montana |
| 48 | Mary E. Raskey | 12 | Daughter | — | Colorado |
| 49 | Margie Raskey | 11 | Daughter | — | Colorado |
| 50 | Hugh Raskey | 73 | Head | Farmer | Missouri |
| 51 | Mary Raskey | 60 | Wife | — | Ohio |
| 52 | Reuben Fisenbury | 65 | Head | Farmer | Missouri |
| 53 | Fanny Fisenbury | 58 | Wife | — | Missouri |
| 54 | Burl Fisenbury | 23 | Son | Laborer | Colorado |
| 55 | Reuben Jr. Fisenbury | 21 | Son | — | Colorado |
| 56 | William Swank | 67 | Head | Farmer | Missouri |
| 57 | Elgera Swank | 60 | Wife | — | Utah |
| 58 | Ida Swank | 3 | Daughter | — | Colorado |
| 59 | Edward Dennison | 25 | Head | Farmer | Colorado |
| 60 | Mary Dennison | 22 | Wife | — | New Mexico |
| 61 | Gordon Dennison | 4 | Son | — | Colorado |
| 62 | Barbara Dennison | 2 | Daughter | — | Colorado |
| 63 | Harold Dennison | 0 | Son | — | Colorado |
| 64 | Grace Denny | 49 | Head | Housekeeper | Nebraska |
| 65 | Willard Denny | 19 | Son | Laborer | Idaho |
| 66 | Lee Denny | 16 | Son | Helper | Idaho |
| 67 | Lawson Denny | 14 | Son | — | Arizona |
| 68 | Alexander Denny | 11 | Son | — | Colorado |
| 69 | Shirley Denny | 9 | Daughter | — | Colorado |
| 70 | Herman Spanoel | 49 | Head | Farmer | Colorado |
| 71 | Phyllis Spanoel | 36 | Wife | Housewife | Colorado |
| 72 | Agnes Spanoel | 18 | Daughter | Cook | Colorado |
| 73 | Mary Spanoel | 14 | Daughter | — | Colorado |
| 74 | Joseph Spanoel | 13 | Son | — | Colorado |
| 75 | William Erickson THIS PERSON | 40 | Head | Farmer | Colorado |
| 76 | Rita Erickson | 19 | Wife | Housewife | Colorado |
| 77 | Irene Erickson | 2 | Daughter | — | Colorado |
| 78 | Catherine Erickson | 1 | Daughter | — | Colorado |
| 79 | Anna Erickson | 67 | Mother | — | Sweden |
| 80 | Extra Line | None | — | — | — |
Pedigree Summary
William
Gen 1 · 3 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)