CP
Clarence Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pennington-County, Minnesota
Our Model Tree links this Clarence Peterson across the 1920, 1930 and 1940 US Censuses in Pennington-County, Minnesota (XGBoost, ~Confirmed), with identified parents Paul & Martha — first a head (b.~1905), then head of a 7-person household.
Age 35
b. ~1905
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Pennington-County, Minnesota |
| Surname | Peterson |
| Given Name | Clarence L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Silverton Township |
| 1935 Residence (County) | Pennington |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 452 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Silverton Township |
| Est. Birth Year | ~1905 |
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 Clarence | Age | Birth yr |
|---|---|---|---|---|
| Arnold Peterson | Son | — | 7 | ~1933 |
| Lorraine Peterson | Daughter | — | 4 | ~1936 |
| Pearl Peterson | Daughter | — | 10 | ~1930 |
| Clarence Peterson | Head | — | 35 | ~1905 |
| Margaret Peterson | Daughter | — | 2 | ~1938 |
| Irene Peterson | Daughter | — | 5 | ~1935 |
| Emma Peterson | Spouse | — | 35 | ~1905 |
Census Appearances
1920
Pennington, Minnesota
Son, age 15
Pennington, Minnesota · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Pennington, Minnesota
Head, age 25
Pennington, Minnesota · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Clarence L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 23 |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Pennington-County, Minnesota
Head, age 35
Pennington-County, Minnesota · implied b. ~1905 — 7 household members
| Surname | Peterson |
| Given Name | Clarence L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Silverton Township |
| 1935 Residence (County) | Pennington |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 452 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Clarence Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Paul Peterson (~0.92 confidence) and mother Martha Peterson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Paul Peterson
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Martha Peterson
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Peterson
Head · 1940 · age 35 · b. ~1905 · Minnesota
★ 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 — Pennington-County, Minnesota
Open full size
1940 US Federal Census — Pennington-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01947-00207)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Petrine J. Olson | 44 | Wife | Home | North Dakota |
| 2 | Ealnore M. Olson | 15 | Daughter | — | Minnesota |
| 3 | Joyce P. Olson | 13 | Daughter | — | Minnesota |
| 4 | Paige L. Olson | 10 | Daughter | — | Minnesota |
| 5 | James R. Olson | 7 | Son | — | Minnesota |
| 6 | Donna Mae Olson | 2 | Daughter | — | Minnesota |
| 7 | Syvert Henson | 53 | Head | Farmer | Minnesota |
| 8 | Mabel A. Henson | 50 | Wife | — | Minnesota |
| 9 | Martin M. Henson | 25 | Son | Farmer | Minnesota |
| 10 | Wilhelm M. Henson | 23 | Son | Farmer | Minnesota |
| 11 | Silas G. Henson | 21 | Son | Farmer | Minnesota |
| 12 | Effie O. Henson | 16 | Daughter | Home | Minnesota |
| 13 | Halvor Fodstad | 72 | Head | Farmer | Norway |
| 14 | Gylia Fosholm | 42 | Niece | Home | Minnesota |
| 15 | Gust Thompson | 21 | Hired Hand | Laborer | Minnesota |
| 16 | Henry Hanson | 63 | Head | Farmer | Iowa |
| 17 | Ina M. Hanson | 34 | Daughter | — | Minnesota |
| 18 | Clarence L. Peterson THIS PERSON | 35 | Head | Farmer | Illinois |
| 19 | Emma Peterson | 35 | Wife | — | Norway |
| 20 | Pearl Olive Peterson | 10 | Daughter | — | Minnesota |
| 21 | Arnold L. Peterson | 7 | Son | — | Minnesota |
| 22 | Irene M. Peterson | 5 | Daughter | — | Minnesota |
| 23 | Lorraine A. Peterson | 4 | Daughter | — | Minnesota |
| 24 | Margaret C. Peterson | 2 | Daughter | — | Minnesota |
| 25 | Emil J. Szoholin | 40 | Head | Farmer | Minnesota |
| 26 | Irene Spooner | 24 | Housekeeper | House Keeper | Minnesota |
| 27 | Donald Owen | 1 | House Keeper's Son | — | Minnesota |
| 28 | Edward O. Heieren | 53 | Head | Farmer | Minnesota |
| 29 | Clara Heieren | 46 | Wife | — | North Dakota |
| 30 | Orville H. Heieren | 24 | Son | Laborer | Minnesota |
| 31 | Emil C. Heieren | 19 | Son | Farmer | Minnesota |
| 32 | Janet R. Heieren | 10 | Daughter | — | Minnesota |
| 33 | Emil B. Simonson | 46 | Head | Farmer | Norway |
| 34 | Caroline D. Simonson | 46 | Wife | — | Minnesota |
| 35 | Carroll B. Simonson | 11 | Son | — | Minnesota |
| 36 | Earliss I. Simonson | 5 | Daughter | — | Minnesota |
| 37 | George A. Johnson | 41 | Head | Farmer | Minnesota |
| 38 | Lorraine Johnson | 32 | Wife | — | Minnesota |
| 39 | Elois M. Johnson | 13 | Daughter | — | Minnesota |
| 40 | Betty L. Johnson | 11 | Daughter | — | Minnesota |
Pedigree Summary
Clarence
Gen 1 · 2 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)