AP
Albert Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, North Dakota
Our Model Tree links this Albert Peterson across the 1920, 1930 and 1940 US Censuses in Mercer-County, North Dakota (XGBoost, ~Confirmed), with identified parents Carl & Selma — first a head (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Head
Born: North Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, North Dakota |
| Surname | Peterson |
| Given Name | Albert A |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 220 |
| Highest Grade | No 8 |
| 1935 Residence | N.D. |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Farmer |
| Township / Ward | T 145 R 84 |
| Est. Birth Year | ~1913 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Albert | Age | Birth yr |
|---|---|---|---|---|
| Janice Peterson | Daughter | — | 2 | ~1938 |
| Albert Peterson | Head | — | 27 | ~1913 |
| Anne Peterson | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Mercer, North …
Son, age 7
Mercer, North Dakota · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Albert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Germany |
| Occupation | none |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Mercer, North …
Son, age 17
Mercer, North Dakota · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Albert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1940
Mercer-County, North …
Head, age 27
Mercer-County, North Dakota · implied b. ~1913 — 3 household members
| Surname | Peterson |
| Given Name | Albert A |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | North Dakota |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Mercer |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 220 |
| Highest Grade | No 8 |
| 1935 Residence | N.D. |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
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 Albert Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Carl Olander (~0.84 confidence) and mother Selma Olander (~0.84 confidence) and father Laurits Peterson (~0.92 confidence) and mother Mary Peterson (~0.92 confidence) and father Fred Olander (~0.92 confidence). The pedigree spans 2 generations with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.89
Father
Carl Olander
b. ~1857
Source father>father
● Household
· direct · ~0.84
Mother
Selma Olander
b. ~1870
Source father>mother
● Household
· direct · ~0.84
Father
Laurits Peterson
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Mary Peterson
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
Fred Olander
b. ~1896
Source father
● Household
· direct · ~0.92
This person
Anchor record
Albert Peterson
Head · 1940 · age 27 · b. ~1913 · North Dakota
★ 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 — Mercer-County, North Dakota
Open full size
1940 US Federal Census — Mercer-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03007-00215)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harriet Bonney | 2 | daughter | — | North Dakota |
| 42 | Ione Bonney | 0 | daughter | — | North Dakota |
| 43 | Paul E Bonney | 46 | head | Farmer | North Dakota |
| 44 | Emma E. Bonney | 41 | wife | — | North Dakota |
| 45 | Eileen A. Bonney | 17 | daughter | — | North Dakota |
| 46 | Thelma Bonney | 16 | daughter | — | North Dakota |
| 47 | August Bonney | 14 | son | — | North Dakota |
| 48 | Luverne Bonney | 12 | daughter | — | North Dakota |
| 49 | Betty Ann Bonney | 9 | daughter | — | North Dakota |
| 50 | Shirley Bonney | 7 | daughter | — | North Dakota |
| 51 | Donna Mae Bonney | 5 | daughter | — | North Dakota |
| 52 | Franklin Bonney | 1 | son | — | North Dakota |
| 53 | Clarence Hotchkiss | 27 | head | Laborer | North Dakota |
| 54 | June Hotchkiss | 21 | daughter | — | North Dakota |
| 55 | Aloha Hotchkiss | 1 | daughter | — | North Dakota |
| 56 | Richard Heinemeyer | 16 | Employee | Laborer | North Dakota |
| 57 | Max D Borner | 49 | head | Rancher | North Dakota |
| 58 | Ella Borner | 38 | wife | — | Minnesota |
| 59 | Clifford Borner | 15 | son | Laborer | North Dakota |
| 60 | Floyd Borner | 12 | son | Laborer | North Dakota |
| 61 | Darlene Borner | 12 | daughter | — | North Dakota |
| 62 | Milton Borner | 9 | son | — | North Dakota |
| 63 | Ervin Borner | 7 | son | — | North Dakota |
| 64 | Maynard Borner | 5 | son | — | North Dakota |
| 65 | Nathan Olds | 51 | head | Farmer | South Dakota |
| 66 | Jane A Olds | 50 | wife | — | Kentucky |
| 67 | Duwain Olds | 10 | son | — | North Dakota |
| 68 | Herbert Knoop | 48 | head | Farmer | Germany |
| 69 | Irene A Knoop | 47 | wife | — | Germany |
| 70 | Walter Knoop | 15 | son | — | North Dakota |
| 71 | Eleanor Knoop | 14 | daughter | — | North Dakota |
| 72 | George Knoop | 11 | son | — | North Dakota |
| 73 | Clara Wegerich | 77 | Aunt | — | Germany |
| 74 | Edmond Sailer | 21 | Employee | Laborer | North Dakota |
| 75 | Albert A Peterson THIS PERSON | 27 | head | Farmer | North Dakota |
| 76 | Anne Peterson | 21 | wife | — | North Dakota |
| 77 | Janice Peterson | 2 | daughter | — | North Dakota |
| 78 | Wilbur D Stephens | 30 | head | Farmer | Illinois |
| 79 | Freida Stephens | 27 | wife | — | North Dakota |
| 80 | Lylota Stephens | 4 | daughter | — | North Dakota |
Pedigree Summary
Albert
Gen 1 · 3 parents
~0.92
Gen 2 · 2 grandparents
~0.84
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)