MP
Marie Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Okanogan-County, Washington
Our Model Tree links this Marie Peterson across the 1910, 1920, 1930 and 1940 US Censuses in Okanogan-County, Washington (XGBoost, ~Confirmed), with identified parents Marie & John — first a daughter (b.~1909), then head of a 2-person household.
Age 31
b. ~1909
Female
Daughter
Born: Washington
Divorced
1940 Census Record Details
| Census Year | 1940 |
| Location | Okanogan-County, Washington |
| Surname | Peterson |
| Given Name | Marie B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Divorced |
| Birthplace | Washington |
| 1935 Residence (City) | Omak Pct. #2 |
| 1935 Residence (County) | Okanogan |
| Additional Details | |
| Occupation | Bookeeper |
| Industry | Department Store |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Bookeeper |
| Township / Ward | Omak Pct 2 |
| Est. Birth Year | ~1909 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| Marie Peterson | Daughter | — | 31 | ~1909 |
| Jo Peterson | Head | — | 63 | ~1877 |
Census Appearances
1910
Okanogan, Washington
Daughter, age 1
Okanogan, Washington · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | none |
| Speaks English | English |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
Okanogan, Washington
Daughter, age 11
Okanogan, Washington · implied b. ~1909 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | Marie B. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Okanogan, Washington
Daughter, age 21
Okanogan, Washington · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Marie B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Washington |
| Age at First Marriage | 21 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Okanogan-County, Washington
Daughter, age 31
Okanogan-County, Washington · implied b. ~1909 — 2 household members
| Surname | Peterson |
| Given Name | Marie B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Divorced |
| Birthplace | Washington |
| 1935 Residence (City) | Omak Pct. #2 |
| 1935 Residence (County) | Okanogan |
| Occupation | Bookeeper |
| Industry | Department Store |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Marie Peterson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Marie Peterson (~0.92 confidence) and father John Petersen (~0.92 confidence) and mother Jo Peterson (~0.92 confidence) and mother Marie Petersen (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Marie Peterson
b. ~1873
Source mother
● Household
· direct · ~0.92
Father
John Petersen
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Jo Peterson
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Marie Petersen
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Marie Peterson
Daughter · 1940 · age 31 · b. ~1909 · Washington
★ 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 — Okanogan-County, Washington
Open full size
1940 US Federal Census — Okanogan-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04353-00501)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Kathleen M Spaulding | 16 | Daughter | Packing | Washington |
| 42 | Betty E Spaulding | 11 | Daughter | — | Washington |
| 43 | Mary C Spaulding | 89 | Mother | — | New York |
| 44 | Chester L Fry | 45 | Head | Owner | Minnesota |
| 45 | Alice L Fry | 43 | Wife | Packing | Illinois |
| 46 | Robert A Fry | 20 | Son | Laborer | Washington |
| 47 | Lenord Chester Fry | 6 | Son | — | Washington |
| 48 | Patricia F Fry | 5 | Daughter | — | Washington |
| 49 | Willis Foy | 74 | Head | Laborer | Minnesota |
| 50 | Helen Foy | 41 | Wife | Trimmer | S Dakota |
| 51 | Russel E Foy | 17 | Son | Picking | Wyoming |
| 52 | John H Foy | 16 | Son | Picking | Montana |
| 53 | Monty J Foy | 15 | Son | — | Montana |
| 54 | Ernest E Goodell | 52 | Head | Owner | Minnesota |
| 55 | Ida Goodell | 49 | Wife | — | Germany |
| 56 | Jo Marie Peterson | 63 | Head | — | Denmark |
| 57 | Marie B Peterson THIS PERSON | 31 | Daughter | Bookeeper | Washington |
| 58 | Fred G Hurlbert | 32 | Head | Laborer | Nebraska |
| 59 | Agnes Hurlbert | 29 | Wife | Sorter | Kansas |
| 60 | Ellen Hurlbert | 11 | Daughter | — | Kansas |
| 61 | Cecil Hurlbert | 9 | Son | — | Kansas |
| 62 | Charles L Johnson | 54 | Head | Owner | Michigan |
| 63 | Retta Johnson | 52 | Wife | — | Iowa |
| 64 | Imogene Johnson | 13 | Daughter | — | Washington |
| 65 | Ida Mae Johnson | 81 | Mother | — | Indiana |
| 66 | Gerald B Miller | 56 | Head | Owner | Ohio |
| 67 | Inger Miller | 59 | Wife | Sorter | Norway |
| 68 | Nealy T Knighton | 60 | Head | Owner | England |
| 69 | Harriet A Knighton | 59 | Wife | — | England |
| 70 | Blanche Knighton | 36 | Daughter | Teacher | Kansas |
| 71 | Ralph L Wilson | 25 | Head | Truck Driver | Missouri |
| 72 | Mildred Wilson | 22 | Wife | Trimmer | Washington |
| 73 | Ralph L Jr Wilson | 3 | Son | — | Washington |
| 74 | George Wilson | 67 | Father | — | Tennessee |
| 75 | Hans Stalder | 60 | Head | Owner Manager | Switzerland |
| 76 | Bena Stalder | 49 | Wife | — | Austria |
| 77 | John Stalder | 20 | Son | Clerk | Washington |
| 78 | Clifford Heinlen | 43 | Head | Laborer | Washington |
| 79 | Else G Heinlen | 34 | Wife | — | Missouri |
| 80 | Arabel Willey | 10 | Daughter | — | Missouri |
Pedigree Summary
Marie
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)