EP
Ernest Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Ernest Peterson across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed), with identified parents Ernest & Freda — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Peterson |
| Given Name | Ernest E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver city & county |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Occupation | Delivery Boy |
| Industry | Bakery Shop |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 900 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Delivery Boy |
| Township / Ward | Denver City County |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ernest | Age | Birth yr |
|---|---|---|---|---|
| Ernest Peterson | Son | — | 21 | ~1919 |
| Earnest Peterson | Head | — | 59 | ~1881 |
| Harry Peterson | Son | — | 18 | ~1922 |
| Frieda Peterson | Spouse | — | 49 | ~1891 |
| Conrad Peterson | Son | — | 20 | ~1920 |
Census Appearances
1920
Arapahoe, Colorado
Son, age 1
Arapahoe, Colorado · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Ernest |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Son, age 11
Denver, Colorado · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Patterson |
| Given Name | Earnest E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Son, age 21
Denver-County, Colorado · implied b. ~1919 — 5 household members
| Surname | Peterson |
| Given Name | Ernest E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver city & county |
| 1935 Residence (County) | Denver |
| Occupation | Delivery Boy |
| Industry | Bakery Shop |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 900 |
| 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 Ernest Peterson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Ernest Peterson (~0.92 confidence) and mother Freda Peterson (~0.92 confidence) and mother Frieda Peterson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ernest Peterson
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Freda Peterson
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Frieda Peterson
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ernest Peterson
Son · 1940 · age 21 · b. ~1919 · Colorado
★ You are viewing this record
Sibling
Conrad Peterson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Peterson
Sibling · 1940 · age 18
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 — 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-t0627-00487-00899)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Shirley M. Hubbard | 18 | Daughter | Assistant To Dentist | Colorado |
| 42 | William Jr. Hubbard | 10 | Son | — | Colorado |
| 43 | Walter B. Mcnutt | 49 | Head | Salesman | Colorado |
| 44 | Florence E. Mcnutt | 50 | Wife | Stenographer | Illinois |
| 45 | Rosemary A. Mcnutt | 23 | Daughter | Teacher | Colorado |
| 46 | Elizabeth Anne Mcnutt | 20 | Daughter | Clerk | Colorado |
| 47 | Eleanor M. Mcnutt | 15 | Daughter | — | Colorado |
| 48 | Fred A. Mccarthy | 50 | Head | Surveyor | Vermont |
| 49 | Nellie Mae Mccarthy | 42 | Wife | — | Nebraska |
| 50 | Elwood S. Koder | 23 | Stepson | Truck Driver | Kansas |
| 51 | Norma V. Koder | 21 | Stepdau | — | Iowa |
| 52 | Robert E. Koder | 18 | Stepson | U.S. Navy | Iowa |
| 53 | Victor J. Peterson | 50 | Head | Car Man | Sweden |
| 54 | Anna E. Peterson | 48 | Wife | — | Sweden |
| 55 | Alice G. Peterson | 22 | Daughter | Stenographer | Colorado |
| 56 | Conrad P. Edyston | 32 | Nephew | Baker | Sweden |
| 57 | Drew W. Crabtree | 49 | Head | Teacher | Nebraska |
| 58 | Nelle B. Crabtree | 50 | Wife | Teacher | North Dakota |
| 59 | Yvonne J. Crabtree | 21 | Daughter | — | Wisconsin |
| 60 | Peter R. Rein | 36 | Head | Parts Man | Illinois |
| 61 | Irene D. Rein | 34 | Wife | — | Colorado |
| 62 | Clarence A. Weber | 43 | Head | Salesman | Colorado |
| 63 | Bertha Weber | 39 | Wife | — | Montana |
| 64 | Laura D. Weber | 21 | Daughter | — | California |
| 65 | Patricia Weber | 13 | Daughter | — | Colorado |
| 66 | Herman H. Saffer | 46 | Head | Bldg Foreman | Illinois |
| 67 | Mabel M. Saffer | 46 | Wife | — | Colorado |
| 68 | Samuel P. Norquist | 81 | Lodger | — | Sweden |
| 69 | Ruth A. Norquist | 48 | Lodger | Clerk | Colorado |
| 70 | Chet D. Gallente | 61 | Head | Accountant | Illinois |
| 71 | Pearl A. Gallente | 56 | Wife | — | New York |
| 72 | Chauncey M. Hannigan | 35 | Head | City Fireman | Colorado |
| 73 | Cordelia L. Hannigan | 34 | Wife | — | Penn. |
| 74 | Franklin W. Pollock | 70 | Father | — | Penn. |
| 75 | Jack P. Hannigan | 12 | Son | — | Colorado |
| 76 | Earnest J. Peterson | 59 | Head | Salesman | Illinois |
| 77 | Frieda E. Peterson | 49 | Wife | — | Missouri |
| 78 | Ernest E. Peterson THIS PERSON | 21 | Son | Delivery Boy | Colorado |
| 79 | Conrad P. Peterson | 20 | Son | Chief Clerk | Colorado |
| 80 | Harry R. Peterson | 18 | Son | Clerk | Colorado |
Pedigree Summary
Ernest + 2 siblings
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)