PS
Peter Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Weston-County, Wyoming
Our Model Tree links this Peter Smith across the 1920, 1930 and 1940 US Censuses in Weston-County, Wyoming (XGBoost, ~Confirmed), with identified parents Nels & Nels — first a head (b.~1915), then head of a 7-person household.
Age 25
b. ~1915
Male
Head
Born: Wyoming
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Weston-County, Wyoming |
| Surname | Smith |
| Given Name | Peter F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Wyoming |
| 1935 Residence (City) | Green Mountain |
| 1935 Residence (County) | Weston |
| Additional Details | |
| Occupation | Rancher |
| Industry | Own Ranch |
| Class of Worker | E |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | C-2 |
| 1935 Residence | Same place |
| Birth State | Wyoming |
| Birth Country | United States |
| Birthplace (normalized) | wyoming |
| Occupation | Rancher |
| Township / Ward | Green Mountain |
| Est. Birth Year | ~1915 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Peter | Age | Birth yr |
|---|---|---|---|---|
| Peter Smith | Head | — | 25 | ~1915 |
| Dama Kello | Other | — | 18 | ~1922 |
| Charles Roach | Other | — | 19 | ~1921 |
| Paul Sackett | Other | — | 39 | ~1901 |
| Christy Smith | Other | — | 23 | ~1917 |
| Billy Smith | Son | — | 1 | ~1939 |
| Helen Smith | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Weston, Wyoming
Son, age 5
Weston, Wyoming · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Peter |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Wyoming |
| Father's Birthplace | S. Dakota |
| Mother's Birthplace | Wyoming |
| Mother Tongue | English |
| Birth State | Wyoming |
| Birth Country | United States |
| Birthplace (normalized) | wyoming |
1930
Weston, Wyoming
Son, age 15
Weston, Wyoming · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Peter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Wyoming |
| Father's Birthplace | South Dakota |
| Mother's Birthplace | Wyoming |
| Can Read/Write | Yes |
| Birth State | Wyoming |
| Birth Country | United States |
| Birthplace (normalized) | wyoming |
1940
Weston-County, Wyoming
Head, age 25
Weston-County, Wyoming · implied b. ~1915 — 7 household members
| Surname | Smith |
| Given Name | Peter F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Wyoming |
| 1935 Residence (City) | Green Mountain |
| 1935 Residence (County) | Weston |
| Occupation | Rancher |
| Industry | Own Ranch |
| Class of Worker | E |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | C-2 |
| 1935 Residence | Same place |
| Birth State | Wyoming |
| Birth Country | United States |
| Birthplace (normalized) | wyoming |
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 Peter Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Nels Smith (~0.92 confidence) and father Nels Smith (~0.92 confidence) and mother Marie Smith (~0.92 confidence) and mother Marie Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nels Smith
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Nels Smith
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Marie Smith
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Marie Smith
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Peter Smith
Head · 1940 · age 25 · b. ~1915 · Wyoming
★ 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 — Weston-County, Wyoming
Open full size
1940 US Federal Census — Weston-County, Wyoming
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04577-00227)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert D Rawhouser | 25 | Head | Farmer | Wyoming |
| 42 | Jerry Rawhouser | 20 | Wife | — | Missouri |
| 43 | Peter D. B. Christensen | 72 | Head | — | Denmark |
| 44 | Peter F. Smith THIS PERSON | 25 | Head | Rancher | Wyoming |
| 45 | Helen Smith | 25 | Wife | — | Connecticut |
| 46 | Billy J Smith | 1 | Son | — | Wyoming |
| 47 | Christy H. Smith | 23 | Brother | Rancher | Wyoming |
| 48 | Paul Sackett | 39 | Hired hand | Laborer | Wyoming |
| 49 | Charles Roach | 19 | Hired hand | Laborer | Wyoming |
| 50 | Dama E. Kello | 18 | Maid | Maid | So Dak |
| 51 | Andrew B Peterson | 73 | Head | Farmer | Sweden |
| 52 | David Peterson | 25 | Son | Laborer | Wyoming |
| 53 | P. Theo Peterson | 71 | Head | Farmer | Sweden |
| 54 | Sigurd B Erickson | 52 | Head | Farmer | Sweden |
| 55 | Anna Erickson | 47 | Wife | — | Nebraska |
| 56 | David Erickson | 21 | Son | Laborer | Wyoming |
| 57 | Leonard L Peterson | 42 | Head | Farmer | Wyoming |
| 58 | Harriet Peterson | 33 | Wife | — | Wyoming |
| 59 | George Peterson | 10 | Son | — | Wyoming |
| 60 | Robert Peterson | 8 | Son | — | Wyoming |
| 61 | Martin Peterson | 2 | Son | — | Wyoming |
| 62 | Mathilda Peterson | 2 | Daughter | — | Wyoming |
| 63 | Donald Peterson | 1 | Son | — | Wyoming |
| 64 | Daniel T Davis | 38 | Head | Farmer | Wyoming |
| 65 | Dorotha B Davis | 35 | Wife | — | Iowa |
| 66 | Estella D Davis | 12 | Daughter | — | Wyoming |
| 67 | Zelpha Davis | 11 | Daughter | — | Wyoming |
| 68 | Russell P. Davis | 9 | Son | — | Wyoming |
| 69 | Gerald L. Davis | 6 | Son | — | Wyoming |
| 70 | Mildred Glover | 25 | Lodger | Teacher | Kansas |
| 71 | Peter B Rudlock | 31 | Head | Farmer | Wyoming |
| 72 | Edith E. Rudlock | 26 | Wife | — | Wyoming |
| 73 | Ruth G. Rudlock | 3 | Daughter | — | Wyoming |
| 74 | Phillip A Rudlock | 2 | Son | — | Wyoming |
| 75 | Arthur E Rudlock | 1 | Son | — | Wyoming |
| 76 | John B Rudlock | 27 | Head | Farmer | Wyoming |
| 77 | Bernadine Rudlock | 29 | Wife | — | Wyoming |
| 78 | Leo S. Rudlock | 5 | Son | — | Wyoming |
| 79 | George D Pizinski | 30 | Head | Farmer | Pennsylvania |
| 80 | Ella Pizinski | 24 | Wife | — | Illinois |
Pedigree Summary
Peter
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)