AP
Alice Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Conejos-County, Colorado
Our Model Tree links this Alice Peterson across the 1930 and 1940 US Censuses in Conejos-County, Colorado (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 9-person household.
Age 20
b. ~1920
Female
Daughter
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Conejos-County, Colorado |
| Surname | Peterson |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Conejos |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Precinct 8 |
| Est. Birth Year | ~1920 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Alice | Age | Birth yr |
|---|---|---|---|---|
| Alice Peterson | Daughter | — | 20 | ~1920 |
| Lou Peterson | Daughter | — | 7 | ~1933 |
| Evelyn Peterson | Daughter | — | 18 | ~1922 |
| Naoma Peterson | Daughter | — | 15 | ~1925 |
| Robert Peterson | Head | — | 51 | ~1889 |
| Hade Peterson | Son | — | 23 | ~1917 |
| Myron Peterson | Son | — | 10 | ~1930 |
| Paul Peterson | Son | — | 11 | ~1929 |
| Nellie Peterson | Spouse | — | 50 | ~1890 |
Census Appearances
1930
Conejos, Colorado
Daughter, age 10
Conejos, Colorado · implied b. ~1920 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Alice |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Conejos-County, Colorado
Daughter, age 20
Conejos-County, Colorado · implied b. ~1920 — 9 household members
| Surname | Peterson |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Conejos |
| Highest Grade | Hs 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 Alice Peterson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Alice Peterson
Daughter · 1940 · age 20 · b. ~1920 · Colorado
★ You are viewing this record
Sibling
Evelyn Peterson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Peterson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Naoma Peterson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lou Peterson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hade Peterson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Myron Peterson
Sibling · 1940 · age 10
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 — Conejos-County, Colorado
Open full size
1940 US Federal Census — Conejos-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00458-00759)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Guymon | 21 | Head | — | Colorado |
| 2 | George Guymon | 32 | Head | Mechanic | Colorado |
| 3 | Geneveve Guymon | 34 | Wife | — | Colorado |
| 4 | Doris June Guymon | 12 | Daughter | — | Colorado |
| 5 | George Duane Guymon | 11 | Son | — | Colorado |
| 6 | John H. Sumner | 44 | Head | Farmer | Colorado |
| 7 | Leona Marie Sumner | 39 | Wife | — | Iowa |
| 8 | Charles B. Sumner | 16 | Son | Farm Laborer | Colorado |
| 9 | Harold Sumner | 15 | Son | — | Colorado |
| 10 | John Jr. Sumner | 12 | Son | — | Colorado |
| 11 | Geraldine Sumner | 11 | Daughter | — | Colorado |
| 12 | Sidney Paul Sumner | 8 | Son | — | Colorado |
| 13 | George Anderson | 46 | Head | Farmer | Sweden |
| 14 | Ellen Anderson | 46 | Wife | — | Sweden |
| 15 | Philip Anderson | 17 | Son | — | Colorado |
| 16 | Jacqueline Anderson | 11 | Daughter | — | Colorado |
| 17 | Leonard Anderson | 9 | Son | — | Colorado |
| 18 | Anna May Ferrell | 19 | Daughter | — | Colorado |
| 19 | Kenneth Carl Ferrell | 1 | Grandson | — | Colorado |
| 20 | Lawrence Padon | 24 | Hired man | Farm Laborer | Colorado |
| 21 | Bertie L. Sturdevant | 36 | Head | Farmer | Kansas |
| 22 | Mattie Sturdevant | 27 | Wife | — | Kansas |
| 23 | Arthur Leroy Sturdevant | 7 | Son | — | Colorado |
| 24 | Nylhe Loreda Sturdevant | 5 | Daughter | — | Colorado |
| 25 | Loretta Lou Sturdevant | 3 | Daughter | — | Colorado |
| 26 | Norma Lavon Sturdevant | 1 | Daughter | — | Colorado |
| 27 | Robert Peterson | 51 | Head | Farmer | Colorado |
| 28 | Nellie Peterson | 50 | Wife | — | Colorado |
| 29 | Hade Peterson | 23 | Son | Farm Laborer | Colorado |
| 30 | Alice Peterson THIS PERSON | 20 | Daughter | — | Colorado |
| 31 | Evelyn Peterson | 18 | Daughter | — | Colorado |
| 32 | Naoma Peterson | 15 | Daughter | — | Colorado |
| 33 | Paul Peterson | 11 | Son | — | Colorado |
| 34 | Myron Peterson | 10 | Son | — | Colorado |
| 35 | Lou Ann Peterson | 7 | Daughter | — | Colorado |
| 36 | Elmer Garrett | 29 | Head | Farm Laborer | Tennessee |
| 37 | Ida Dell Garrett | 26 | Wife | — | Kentucky |
| 38 | Oneta Lucille Garrett | 5 | Daughter | — | Kentucky |
| 39 | Leo Mason | 36 | Head | Electrician Contractor | Colorado |
| 40 | Mary Mason | 33 | Wife | — | Colorado |
Related Census Records
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)