FP
Frank Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Delta-County, Colorado
Our Model Tree links this Frank Peterson across the 1910, 1920, 1930 and 1940 US Censuses in Delta-County, Colorado (XGBoost, ~Confirmed), with identified parents Otto & Otto — first a head (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Head
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Delta-County, Colorado |
| Surname | Peterson |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Delta |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Farmer |
| Township / Ward | Precinct 16 |
| Est. Birth Year | ~1910 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Frank Peterson | Head | — | 30 | ~1910 |
| Melvin Peterson | Son | — | 2 | ~1938 |
| Raymond Peterson | Son | — | 4 | ~1936 |
| Anita Peterson | Spouse | — | 27 | ~1913 |
Census Appearances
1910
Delta, Colorado
Son, age
Delta, Colorado · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Utah |
| Mother's Birthplace | Ger |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1920
Delta, Colorado
Son, age 10
Delta, Colorado · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Utah |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Delta, Colorado
Son, age 20
Delta, Colorado · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Frank S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Utah |
| Mother's Birthplace | Germany |
| Occupation | Farm Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Delta-County, Colorado
Head, age 30
Delta-County, Colorado · implied b. ~1910 — 4 household members
| Surname | Peterson |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Delta |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Colorado |
| 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 Frank Peterson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Otto Peterson (~0.92 confidence) and father Otto Peterson (~0.92 confidence) and father Otto Peterson (~0.92 confidence) and mother Rosa Peterson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Otto Peterson
b. ~1848
Source father
● Household
· direct · ~0.92
Father
Otto Peterson
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Otto Peterson
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Rosa Peterson
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Peterson
Head · 1940 · age 30 · b. ~1910 · 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 — Delta-County, Colorado
Open full size
1940 US Federal Census — Delta-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00459-00964)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | T. Herbert Quist | 64 | Head | Medical Doctor | Iowa |
| 42 | Catherine Quist | 55 | Wife | — | Ohio |
| 43 | Philip R. Quist | 34 | Son | Filling Station | Iowa |
| 44 | Roy Aldridge | 30 | Head | Farm Labor | Colorado |
| 45 | Delena Aldridge | 28 | Wife | — | Colorado |
| 46 | Lynna Jean Aldridge | 5 | Daughter | — | Colorado |
| 47 | Donna Mae Aldridge | 3 | Daughter | — | Colorado |
| 48 | Wilma Jo Aldridge | 1 | Daughter | — | Colorado |
| 49 | Joseph F. Foster | 67 | Head | Farmer | Missouri |
| 50 | Nora Foster | 52 | Wife | — | North Carolina |
| 51 | Lyman Curtis | 43 | Head | Water Commissioner | Colorado |
| 52 | Edith Curtis | 46 | Wife | — | Kansas |
| 53 | John Curtis | 14 | Son | — | Colorado |
| 54 | Esther Curtis | 11 | Daughter | — | Colorado |
| 55 | Mary Louise Curtis | 9 | Daughter | — | Colorado |
| 56 | Eunice Bennett | 21 | Foster daughter | Telephone Operator | Colorado |
| 57 | Margaret Bennett | 19 | Foster daughter | — | Colorado |
| 58 | Edward J. Kaufman | 64 | Head | — | Missouri |
| 59 | Lydia Kaufman | 55 | Wife | — | Missouri |
| 60 | Lena Bilger | 61 | Head | — | Iowa |
| 61 | Lyle Brooks | 41 | Head | Farmer | Wyoming |
| 62 | Bessie Brooks | 40 | Wife | — | Indiana |
| 63 | Ethel Brooks | 22 | Daughter | — | Colorado |
| 64 | Kenneth Brooks | 21 | Son | Farm Labor | Colorado |
| 65 | Everett Russell | 22 | Head | Filling Mill Worker | Colorado |
| 66 | Lois Russell | 22 | Wife | — | Colorado |
| 67 | Peter Jungert | 90 | Head | — | Switzerland |
| 68 | Christina Jungert | 87 | Wife | — | Switzerland |
| 69 | Herbert B. Huston | 39 | Head | Laborer | Missouri |
| 70 | Kate Huston | 63 | Mother | — | Missouri |
| 71 | Frank Peterson THIS PERSON | 30 | Head | Farmer | Colorado |
| 72 | Anita Peterson | 27 | Wife | — | Colorado |
| 73 | Raymond Peterson | 4 | Son | — | Colorado |
| 74 | Melvin Peterson | 2 | Son | — | Colorado |
| 75 | Charles P. Buzzard | 57 | Head | Farmer | Colorado |
| 76 | Nora Buzzard | 50 | Wife | — | Colorado |
| 77 | Charles W. Buzzard | 23 | Son | Farmer | Colorado |
| 78 | John H. Mills | 65 | Head | Farmer | Michigan |
| 79 | Henry Mills | 67 | Brother | Farmer | Michigan |
| 80 | James F. Skidmore | 47 | Head | Heavy Equipment Operator | Missouri |
Pedigree Summary
Frank
Gen 1 · 4 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)