PN
Peter Nelson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Maricopa, Arizona
Our Model Tree links this Peter Nelson across the 1920, 1930 and 1940 US Censuses in Maricopa, Arizona (XGBoost, ~Confirmed), with identified parents Bertha & Freda — first a son (b.~1917), then head of a 7-person household.
Age 3
b. ~1917
Male
Son
Born: Arizona
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Maricopa, Arizona |
| Surname | Nelson |
| Given Name | Peter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Arizona |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Township / Ward | Precinct 2 Riverside |
| Est. Birth Year | ~1917 |
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 1920 census.
| Name | Relation to head | Relative to Peter | Age | Birth yr |
|---|---|---|---|---|
| Freda Nelson | Head | — | 32 | ~1888 |
| Peter Nelson | Son | — | 3 | ~1917 |
| James Nelson | Son | — | 8 | ~1912 |
| Wallace Nelson | Son | — | 9 | ~1911 |
| Eugene Nelson | Son | — | 10 | ~1910 |
| Howard Nelson | Son | — | 1 | ~1919 |
| Bertha Nelson | Spouse | — | 32 | ~1888 |
Census Appearances
1920
Maricopa, Arizona
Son, age 3
Maricopa, Arizona · implied b. ~1917 — 7 household members
| Surname | Nelson |
| Given Name | Peter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Arizona |
| Mother's Birthplace | Pennsylvania |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1930
Maricopa, Arizona
Son, age 13
Maricopa, Arizona · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelssen |
| Given Name | Pete |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Arizona |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1940
Maricopa-County, Arizona
Head, age 23
Maricopa-County, Arizona · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelsen |
| Given Name | Peter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Arizona |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Maricopa |
| Occupation | Songero |
| Industry | Water Works |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1440 |
| Highest Grade | H-4 |
| 1935 Residence | Arizona |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
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 Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Bertha Nelson (~0.92 confidence) and mother Freda Nelson (~0.92 confidence) and father Fred Nelssen (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Bertha Nelson
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Freda Nelson
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
Fred Nelssen
b. ~1890
Source father
● Household
· direct · ~0.92
This person
Anchor record
Peter Nelson
Son · 1920 · age 3 · b. ~1917 · Arizona
★ You are viewing this record
Sibling
Wallace Nelson
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Nelson
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Nelson
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Nelson
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Maricopa, Arizona
Open full size
1920 US Federal Census — Maricopa, Arizona
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu049unit:0496)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Josefa Lugo | 8 | Daughter | — | Mexico |
| 52 | Pasqual Lugo | 5 | Son | — | Mexico |
| 53 | Antonia Lugo | 4 | Daughter | — | Mexico |
| 54 | Ignacio Rulvo | 25 | Brother-in-law | — | Mexico |
| 55 | Jesus Sandoval | 28 | Head | Cotton Picker | Mexico |
| 56 | Maria Garcia Sandoval | 34 | Wife | Cotton Picker | Arizona |
| 57 | Urbano Sandoval | 1 | Daughter | — | Arizona |
| 58 | Ramon Perez | 13 | Step-son | Cotton Picker | Arizona |
| 59 | Candelaria Perez | 10 | Step-daughter | — | Arizona |
| 60 | Jesus Ramos | 21 | Head | Cotton Picker | Mexico |
| 61 | Rosa Ramos | 14 | Wife | Cotton Picker | Mexico |
| 62 | Lorenzo Escobosa | 21 | Boarder | Cotton Picker | Mexico |
| 63 | Bartola Perez | 41 | Head | Cotton Picker | Mexico |
| 64 | Jesus Perez | 38 | Wife | No | Mexico |
| 65 | Lucia Perez | 20 | Daughter | Cotton Picker | Mexico |
| 66 | Ramona Perez | 17 | Daughter | Cotton Picker | Mexico |
| 67 | Pedro Perez | 15 | Son | Cotton Picker | Mexico |
| 68 | Lila Perez | 12 | Daughter | Cotton Picker | Mexico |
| 69 | Maria Perez | 8 | Daughter | Cotton Picker | Mexico |
| 70 | Bartola Perez | 5 | Son | — | Mexico |
| 71 | Juan Gonzalez | 45 | Boarder | Cotton Picker | Mexico |
| 72 | Juan Ramos | 52 | Head | Cotton Picker | Mexico |
| 73 | Pomposa Ramos | 22 | Wife | Cotton Picker | Mexico |
| 74 | Manuel Ramos | 12 | Son | Cotton Picker | Mexico |
| 75 | Ramos | 1 | Son | — | Arizona |
| 76 | Cecilio Rodriguez | 28 | Head | Cotton Picker | Mexico |
| 77 | Maria Rodriguez | 26 | Wife | Cotton Picker | Mexico |
| 78 | Alfonso Rodriguez | 4 | Son | — | Mexico |
| 79 | Maria Rodriguez | 3 | Daughter | — | Mexico |
| 80 | Erlinda Rodriguez | 1 | Daughter | — | Mexico |
| 81 | Pedro Rodriguez | 24 | Brother | Cotton Picker | Mexico |
| 82 | Jacob Denzer | 45 | Head | Farmer | Indiana |
| 83 | Clara Denzer | 38 | Wife | — | Rhode Island |
| 84 | Denzer | 17 | Son | — | Washington |
| 85 | Jesus Pino | 25 | Boarder | Laborer | Mexico |
| 86 | Freda Nelson | 32 | Head | Farmer | Arizona |
| 87 | Bertha Nelson | 32 | Wife | — | Pennsylvania |
| 88 | Eugene Nelson | 10 | Son | — | Arizona |
| 89 | Wallace Nelson | 9 | Son | — | Arizona |
| 90 | James Nelson | 8 | Son | — | Arizona |
| 91 | Peter Nelson THIS PERSON | 3 | Son | — | Arizona |
| 92 | Howard Nelson | 1 | Son | — | Arizona |
| 93 | Martin Foster | 26 | Head | Farmer | Tennessee |
| 94 | Ruth Foster | 21 | Wife | — | Tennessee |
| 95 | David Foster | 32 | Brother | Laborer | Tennessee |
| 96 | Lee C. Hudson | 40 | Head | Farmer | Missouri |
| 97 | Carrie M. Hudson | 37 | Wife | — | Missouri |
| 98 | Edith B. Hudson | 10 | Daughter | — | Missouri |
| 99 | Helen L. Hudson | 4 | Daughter | — | Missouri |
| 100 | David M. Milton | 35 | Head | Farm Laborer | Texas |
Related Census Records
Pedigree Summary
Peter + 4 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)