CP
Carl Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · El-Paso-County, Colorado
Our Model Tree links this Carl Peterson across the 1900, 1910, 1920, 1930 and 1940 US Censuses in El-Paso-County, Colorado (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1896), then head of a 8-person household.
Age 44
b. ~1896
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | El-Paso-County, Colorado |
| Surname | Peterson |
| Given Name | Carl A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Colorado Springs City |
| 1935 Residence (County) | El Paso |
| Additional Details | |
| Occupation | Laborer |
| Industry | Sewer Construction |
| Class of Worker | WPA |
| Hours Worked | 47 |
| Income (1939) | 32 |
| Highest Grade | H 1 |
| 1935 Residence | Same Place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Laborer |
| Township / Ward | Colorado Springs City |
| Est. Birth Year | ~1896 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Carl | Age | Birth yr |
|---|---|---|---|---|
| Betty Peterson | Daughter | — | 3 | ~1937 |
| Helen Peterson | Daughter | — | 13 | ~1927 |
| Carl Peterson | Head | — | 44 | ~1896 |
| Frank Peterson | Son | — | 15 | ~1925 |
| Clyde Peterson | Son | — | 20 | ~1920 |
| Walter Peterson | Son | — | 17 | ~1923 |
| Robert Peterson | Son | — | 8 | ~1932 |
| Ruby Peterson | Spouse | — | 39 | ~1901 |
Census Appearances
1900
El Paso, …
Son, age 4
El Paso, Colorado · implied b. ~1896 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Colorado |
| Birth Month | Feb |
| Birth Year | 1896 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Iowa |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1910
El Paso, …
Son, age 14
El Paso, Colorado · implied b. ~1896 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Swed. Swedish |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
El Paso, …
Head, age 23
El Paso, Colorado · implied b. ~1897 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Carl A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Colorado |
| Father's Birthplace | U. S. |
| Mother's Birthplace | U. S. |
| Occupation | Coal Miner |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
El Paso, …
Head, age 33
El Paso, Colorado · implied b. ~1897 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Carl A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 20 |
| Father's Birthplace | New York |
| Mother's Birthplace | Illinois |
| Occupation | Coal Hauler |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Veteran | No |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
El-Paso-County, Colorado
Head, age 44
El-Paso-County, Colorado · implied b. ~1896 — 8 household members
| Surname | Peterson |
| Given Name | Carl A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Colorado Springs City |
| 1935 Residence (County) | El Paso |
| Occupation | Laborer |
| Industry | Sewer Construction |
| Class of Worker | WPA |
| Hours Worked | 47 |
| Income (1939) | 32 |
| Highest Grade | H 1 |
| 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 Peterson across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Peterson (~0.92 confidence) and father John Peterson (~0.92 confidence) and mother Pearl Peterson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Peterson
b. ~1862
Source father
● Household
· direct · ~0.92
Father
John Peterson
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Pearl Peterson
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Carl Peterson
Head · 1940 · age 44 · b. ~1896 · 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 — El-Paso-County, Colorado
Open full size
1940 US Federal Census — El-Paso-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00461-01127)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Conkle | 12 | Son | — | Kansas |
| 2 | Helen Conkle | 10 | Daughter | — | Kansas |
| 3 | Richard Conkle | 4 | Son | — | Kansas |
| 4 | Donna Conkle | 2 | Daughter | — | Colorado |
| 5 | Walter P. Wittman | 52 | Head | — | Colorado |
| 6 | Audrey C. Wittman | 35 | Sister | Housework | Colorado |
| 7 | James F. Hansen | 68 | Head | — | Denmark |
| 8 | Anna Hansen | 69 | Wife | — | Denmark |
| 9 | Robert Dahlgren | 59 | Head | Selling Kindling Wood | Wisconsin |
| 10 | Charlotte Dahlgren | 81 | Wife | — | Sweden |
| 11 | Anna Hunger | 55 | Head | — | Kansas |
| 12 | George Hunger | 31 | Son | Helper | Oklahoma |
| 13 | Malcolm Hunger | 25 | Son | Bell Hop | Oklahoma |
| 14 | B. Milburn | 42 | Head | — | Arkansas |
| 15 | Chrystle Milburn | 42 | Wife | — | Kansas |
| 16 | Nellie M. Morris | 73 | Wife's Mother | — | Illinois |
| 17 | Carl A. Peterson THIS PERSON | 44 | Head | Laborer | Colorado |
| 18 | Ruby Peterson | 39 | Wife | — | Iowa |
| 19 | Clyde Peterson | 20 | Son | Apprentice Auto Mechanic | Colorado |
| 20 | Walter Peterson | 17 | Son | New Worker | Colorado |
| 21 | Frank Peterson | 15 | Son | New Worker | Colorado |
| 22 | Helen Peterson | 13 | Daughter | — | Colorado |
| 23 | Robert Peterson | 8 | Son | — | Colorado |
| 24 | Betty Peterson | 3 | Daughter | — | Colorado |
| 25 | John B. Day | 47 | Head | — | Colorado |
| 26 | Aurora Day | 43 | Wife | Nursery | Kentucky |
| 27 | Otto O. Hagerman | 47 | Head | Carpenter | Kansas |
| 28 | Francis N. Hagerman | 39 | Wife | — | Missouri |
| 29 | Genevieve Hagerman | 19 | Daughter | Nursery Work | Colorado |
| 30 | Clarence Hagerman | 16 | Son | New Worker | Colorado |
| 31 | Lois Hagerman | 14 | Daughter | — | Colorado |
| 32 | Betty Lou Hagerman | 7 | Daughter | — | Colorado |
| 33 | Aaron D. Cross | 50 | Head | — | Missouri |
| 34 | Martha H. Cross | 40 | Wife | — | Missouri |
| 35 | Aaron D. Jr. Cross | 13 | Son | — | Colorado |
| 36 | James B. Cross | 9 | Son | — | Colorado |
| 37 | Albert D. Cross | 5 | Son | — | Colorado |
| 38 | John E. Cross | 3 | Son | — | Colorado |
| 39 | Robert D. Cross | 1 | Son | — | Colorado |
| 40 | Albert J. Lampman | 38 | Head | Laborer | Michigan |
Related Census Records
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)