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Carl Erickson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Rio-Grande-County, Colorado
Our Model Tree links this Carl Erickson across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Rio-Grande-County, Colorado (XGBoost, ~Confirmed), with identified parents Charles & C — first a head (b.~1892), then head of a 5-person household.
Age 48
b. ~1892
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rio-Grande-County, Colorado |
| Surname | Erickson |
| Given Name | Carl |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Monte Vista City |
| 1935 Residence (County) | Rio Grande |
| Additional Details | |
| Occupation | Mail Carrier |
| Industry | Rural route |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 2560 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Mail Carrier |
| Township / Ward | Monte Vista City |
| Est. Birth Year | ~1892 |
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 Carl | Age | Birth yr |
|---|---|---|---|---|
| Helen Erickson | Spouse | — | 43 | ~1897 |
| Keith Erickson | Son | — | 16 | ~1924 |
| William Erickson | Son | — | 20 | ~1920 |
| Eloise Erickson | Daughter | — | 13 | ~1927 |
| Carl Erickson | Head | — | 48 | ~1892 |
Census Appearances
1900
Rio Grande, …
Son, age 7
Rio Grande, Colorado · implied b. ~1893 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Erickson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Colorado |
| Birth Month | June |
| Birth Year | 1893 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | At School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1910
Rio Grande, …
Son, age 17
Rio Grande, Colorado · implied b. ~1893 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Erickson |
| Given Name | Carl A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
Rio Grande, …
Head, age 27
Rio Grande, Colorado · implied b. ~1893 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ericson |
| Given Name | Carl A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Colorado |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Clerk |
| Industry | Post Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Rio Grande, …
Head, age 37
Rio Grande, Colorado · implied b. ~1893 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Erickson |
| Given Name | Carl A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 26 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Post Master |
| Industry | U.S. Post Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Radio Set | R |
| Veteran | Yes WW |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Rio-Grande-County, Colorado
Head, age 48
Rio-Grande-County, Colorado · implied b. ~1892 — 5 household members
| Surname | Erickson |
| Given Name | Carl |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Monte Vista City |
| 1935 Residence (County) | Rio Grande |
| Occupation | Mail Carrier |
| Industry | Rural route |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 2560 |
| Highest Grade | H 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 Carl Erickson across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Erickson (~0.92 confidence) and father C Erickson (~0.92 confidence) and mother Charlotte Erickson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Erickson
b. ~1847
Source father
● Household
· direct · ~0.92
Father
C Erickson
b. ~1852
Source father
● Household
· direct · ~0.92
Mother
Charlotte Erickson
b. ~1857
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Erickson
Head · 1940 · age 48 · b. ~1892 · 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 — Rio-Grande-County, Colorado
Open full size
1940 US Federal Census — Rio-Grande-County, Colorado
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00478-00144)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Peggy Riggenbach | 7 | Daughter | — | Colorado |
| 2 | C. O. Spielman | 40 | Head | Teacher | Iowa |
| 3 | Ruth Spielman | 32 | Wife | — | Colorado |
| 4 | Charles Spielman | 6 | Son | — | Colorado |
| 5 | Karen Spielman | 0 | Daughter | — | Colorado |
| 6 | A. B. Van Nostrand | 75 | Head | — | Iowa |
| 7 | Ruth Van Nostrand | 35 | Daughter | Stenographer | Colorado |
| 8 | Karl Davis | 47 | Head | Farmer | Iowa |
| 9 | Edna May Davis | 40 | Wife | — | Missouri |
| 10 | Geraldine Davis | 17 | Daughter | — | Colorado |
| 11 | Darlene Davis | 10 | Daughter | — | Colorado |
| 12 | Rosemary Davis | 6 | Daughter | — | Colorado |
| 13 | Frank Madle | 25 | Head | Salesman | Colorado |
| 14 | Lorraine Madle | 21 | Wife | — | Colorado |
| 15 | Donald Lee | 34 | Head | Local Manager | Iowa |
| 16 | Esther Lee | 33 | Wife | — | Colorado |
| 17 | Shirley Lee | 14 | Daughter | — | Colorado |
| 18 | Donna Lee | 9 | Daughter | — | Colorado |
| 19 | Fred Duble | 46 | Head | Traffic Representative | Texas |
| 20 | Viola Duble | 42 | Wife | — | Kansas |
| 21 | Fred M. Duble | 20 | Son | Assistant Buyer | Nebraska |
| 22 | Beverly Fae Duble | 17 | Daughter | — | Nebraska |
| 23 | Shirley Mae Duble | 5 | Daughter | — | Nebraska |
| 24 | May Ryan | 49 | Head | Owner | Missouri |
| 25 | Eleanor Ryan | 14 | Daughter | — | Colorado |
| 26 | Jerry Sheehan | 78 | Father | — | Illinois |
| 27 | Carl Erickson THIS PERSON | 48 | Head | Mail Carrier | Colorado |
| 28 | Helen Erickson | 43 | Wife | — | Colorado |
| 29 | William Erickson | 20 | Son | Packer | Colorado |
| 30 | Keith Erickson | 16 | Son | Janitor | Colorado |
| 31 | Eloise Erickson | 13 | Daughter | — | Colorado |
| 32 | Elmo Kistler | 42 | Head | Commission-Rep | Illinois |
| 33 | Violet Kistler | 37 | Wife | — | Colorado |
| 34 | Jane Kistler | 18 | Daughter | — | Colorado |
| 35 | William Deveney | 41 | Head | Salesman | California |
| 36 | Thelma Deveney | 36 | Wife | Bookkeeper | Texas |
| 37 | John L. Freeman | 76 | Head | Manager | Indiana |
| 38 | Julia Freeman | 76 | Wife | — | Indiana |
| 39 | Charles Adams | 27 | Head | Welder | Kansas |
Pedigree Summary
Carl
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)