PP
Peter Peterson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cavalier, North Dakota
Our Model Tree links this Peter Peterson across the 1910, 1920 and 1930 US Censuses in Cavalier, North Dakota (XGBoost, ~Confirmed), with identified parents Mathilda & Marda — first a son (b.~1885), then head of a 4-person household.
Age 45
b. ~1885
Male
Son
Born: North Dakota
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cavalier, North Dakota |
| Surname | Peterson |
| Given Name | Peter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Laborer |
| Township / Ward | Hope Township |
| Est. Birth Year | ~1885 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Peter | Age | Birth yr |
|---|---|---|---|---|
| Julius Peterson | Head | — | 69 | ~1861 |
| Knute Gunderson | Other | — | 67 | ~1863 |
| Peter Peterson | Son | — | 45 | ~1885 |
| Marda Peterson | Spouse | — | 70 | ~1860 |
Census Appearances
1910
Cavalier, North …
Son, age 26
Cavalier, North Dakota · implied b. ~1884 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Peter O. A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Farm Laborer |
| Industry | Home Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1920
Cavalier, North …
Son, age 36
Cavalier, North Dakota · implied b. ~1884 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Peter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Laborer |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Cavalier, North …
Son, age 45
Cavalier, North Dakota · implied b. ~1885 — 4 household members
| Surname | Peterson |
| Given Name | Peter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Peter Peterson across 3 US Census years (1910, 1920 and 1930) in Cavalier, North Dakota, using XGBoost record linkage. Identified parents: mother Mathilda Peterson (~0.92 confidence) and mother Marda Peterson (~0.92 confidence) and mother Martha Peterson (~0.92 confidence) and father Julius Peterson (~0.92 confidence) and father Julius Peterson (~0.92 confidence) and father Julius Peterson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mathilda Peterson
b. ~1850
Source mother
● Household
· direct · ~0.92
Mother
Marda Peterson
b. ~1860
Source mother
● Household
· direct · ~0.92
Mother
Martha Peterson
b. ~1860
Source mother
● Household
· direct · ~0.92
Father
Julius Peterson
b. ~1861
Source father
● Household
· direct · ~0.92
Father
Julius Peterson
b. ~1861
Source father
● Household
· direct · ~0.92
Father
Julius Peterson
b. ~1866
Source father
● Household
· direct · ~0.92
This person
Anchor record
Peter Peterson
Son · 1930 · age 45 · b. ~1885 · North Dakota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Cavalier, North Dakota
Open full size
1930 US Federal Census — Cavalier, North Dakota
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1734unit:0143)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Patterson Rollness | 23 | Boarder | Teacher | North Dakota |
| 52 | Jacobson Rollness | 22 | Cousin | Laborer | Minnesota |
| 53 | Odin Rollness | 31 | Head | U.S. Civil S. | Norway |
| 54 | Irene R. Rollness | 19 | Wife | — | North Dakota |
| 55 | Vernon D. Rollness | 0 | Son | — | North Dakota |
| 56 | John Alishrow | 27 | Head | Farmer | Minnesota |
| 57 | Carl Dahlvang | 53 | Brother | Laborer | Minnesota |
| 58 | Josephine M. Dahlvang | 48 | Housekeeper | Housekeeper | Norway |
| 59 | Viola E. Dahlvang | 16 | Servant | Servant | North Dakota |
| 60 | Doris A. Dahlvang | 14 | Daughter | — | North Dakota |
| 61 | Alice V. Dahlvang | 9 | Daughter | — | North Dakota |
| 62 | Ruby A. Dahlvang | 8 | Daughter | — | North Dakota |
| 63 | Eleanore D. Dahlvang | 5 | Daughter | — | North Dakota |
| 64 | Maren Dugeborg | 70 | Servant | Housekeeper | Norway |
| 65 | Gertrude Rollness | 75 | Head | Housekeeper | Norway |
| 66 | Arnt Ekle | 81 | Head | Farmer | Norway |
| 67 | Ellen Ekle | 85 | Wife | — | Norway |
| 68 | Andrew Ekle | 60 | Son | Laborer | Iowa |
| 69 | Robert Thompson | 48 | Head | Farmer | Minnesota |
| 70 | Olanna Thompson | 46 | Wife | — | Norway |
| 71 | James H. Thompson | 29 | Son | Laborer | North Dakota |
| 72 | Ruth O. Thompson | 17 | Daughter | — | North Dakota |
| 73 | Helmer Christianson | 27 | Head | Farmer | North Dakota |
| 74 | Mabel Christianson | 20 | Wife | — | North Dakota |
| 75 | Vernon Christianson | 0 | Son | — | North Dakota |
| 76 | Harold A. Thompson | 36 | Head | Farmer | Minnesota |
| 77 | Olga A. Thompson | 29 | Wife | — | North Dakota |
| 78 | Marvin E. Thompson | 8 | Son | — | North Dakota |
| 79 | Adaline E. Thompson | 5 | Daughter | — | North Dakota |
| 80 | Arthur E. Thompson | 0 | Son | — | North Dakota |
| 81 | John Carman | 30 | Lodger | Laborer | North Dakota |
| 82 | Herbert J. Vondal | 22 | Head | Farmer | North Dakota |
| 83 | Mary V. Vondal | 17 | Wife | — | North Dakota |
| 84 | Joseph O. Vondal | 0 | Son | — | North Dakota |
| 85 | Katherine Ducharme | 43 | Mother-in-law | — | North Dakota |
| 86 | Lorella Ducharme | 11 | Sister-in-law | — | North Dakota |
| 87 | Charles Ducharme | 37 | Father-in-law | Laborer | North Dakota |
| 88 | Joseph Dahlvang | 54 | Head | Farmer | Minnesota |
| 89 | A. Irving Johnson | 29 | Head | Farmer | Minnesota |
| 90 | Julia Johnson | 25 | Wife | — | North Dakota |
| 91 | Alice S. Johnson | 5 | Daughter | — | North Dakota |
| 92 | Francis D. Johnson | 4 | Daughter | — | North Dakota |
| 93 | Julius Peterson | 69 | Head | Farmer | Norway |
| 94 | Marda Peterson | 70 | Wife | — | Norway |
| 95 | Peter Peterson THIS PERSON | 45 | Son | Laborer | North Dakota |
| 96 | Knute Gunderson | 67 | Brother-in-law | Laborer | Norway |
| 97 | James Martrand | 64 | Head | Farmer | Montana |
| 98 | Agnes Martrand | 20 | Daughter | — | North Dakota |
| 99 | George Martrand | 24 | Son | Laborer | North Dakota |
| 100 | Florence Martrand | 10 | Daughter | — | North Dakota |
Pedigree Summary
Peter
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)