HP
Henry Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clay-County, Minnesota
Our Model Tree links this Henry Peterson across the 1920, 1930 and 1940 US Censuses in Clay-County, Minnesota (XGBoost, ~Confirmed), with identified parents Halvar & Palmer — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clay-County, Minnesota |
| Surname | Peterson |
| Given Name | Henry |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Barnesville city |
| 1935 Residence (County) | Clay |
| Additional Details | |
| Occupation | Potato Sorter |
| Industry | Ware-Potato House |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 345 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Potato Sorter |
| Township / Ward | Barnesville City |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Henry | Age | Birth yr |
|---|---|---|---|---|
| Kathleen Peterson | Daughter | — | 17 | ~1923 |
| Ella Peterson | Head | — | 55 | ~1885 |
| Harold Peterson | Son | — | 12 | ~1928 |
| Henry Peterson | Son | — | 23 | ~1917 |
Census Appearances
1920
Clay, Minnesota
Son, age 3
Clay, Minnesota · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Clay, Minnesota
Son, age 13
Clay, Minnesota · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Henry |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Clay-County, Minnesota
Son, age 23
Clay-County, Minnesota · implied b. ~1917 — 4 household members
| Surname | Peterson |
| Given Name | Henry |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Barnesville city |
| 1935 Residence (County) | Clay |
| Occupation | Potato Sorter |
| Industry | Ware-Potato House |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 345 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Henry Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Halvar Peterson (~0.92 confidence) and father Palmer Peterson (~0.92 confidence) and mother Ella Peterson (~0.92 confidence) and mother Ella Peterson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Halvar Peterson
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Palmer Peterson
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Ella Peterson
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Ella Peterson
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Henry Peterson
Son · 1940 · age 23 · b. ~1917 · Minnesota
★ You are viewing this record
Sibling
Harold Peterson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Peterson
Sibling · 1940 · age 17
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
1940 US Federal Census — Clay-County, Minnesota
Open full size
1940 US Federal Census — Clay-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01914-00030)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank G. Kuhn | 42 | head | Carpenter | Minnesota |
| 42 | Clara Kuhn | 46 | wife | — | Minnesota |
| 43 | Geraldine Kuhn | 22 | daughter | Saleslady | North Dakota |
| 44 | Lillian Kuhn | 19 | daughter | — | North Dakota |
| 45 | John Swenson | 52 | head | Driller | North Dakota |
| 46 | Bessie G. Swenson | 46 | wife | — | North Dakota |
| 47 | John Mccarthy | 20 | step son | Operator | North Dakota |
| 48 | Glenn Mccarthy | 18 | step son | Brush Cutter | North Dakota |
| 49 | H. W. Nicklay | 64 | head | Engineer | Wisconsin |
| 50 | Cyril Nicklay | 37 | son | Fireman | Minnesota |
| 51 | Vern Nicklay | 33 | son | Proprietor | Minnesota |
| 52 | Marcella Nicklay | 29 | daughter | Operator | Minnesota |
| 53 | Clarence Nicklay | 25 | son | Carpenter | Minnesota |
| 54 | Agnes Nicklay | 23 | daughter-in-law | — | Minnesota |
| 55 | William Nicklay | 11 | nephew | — | Minnesota |
| 56 | John F. Sinn | 58 | head | — | Minnesota |
| 57 | Philomena Sinn | 58 | wife | Bookkeeper | Wisconsin |
| 58 | Valerie Sinn | 25 | daughter | Bookkeeper | Minnesota |
| 59 | Genevive Sinn | 22 | daughter | Operator | Minnesota |
| 60 | Louise Haugland | 75 | head | — | Norway |
| 61 | John Haugland | 50 | son | — | Norway |
| 62 | Knute Severson | 51 | head | Laborer | Minnesota |
| 63 | Mary Severson | 46 | wife | — | Minnesota |
| 64 | Lucile Severson | 16 | daughter | — | Minnesota |
| 65 | Elaine Severson | 14 | daughter | — | Minnesota |
| 66 | Clarys Severson | 12 | daughter | — | Minnesota |
| 67 | Janita Severson | 10 | daughter | — | Minnesota |
| 68 | Kenneth Severson | 9 | son | — | Minnesota |
| 69 | Mary Severson | 8 | daughter | — | Minnesota |
| 70 | Audrey Jean Severson | 7 | daughter | — | Minnesota |
| 71 | Joyce Severson | 6 | daughter | — | Minnesota |
| 72 | John Jr. Irwin | 38 | head | Laborer | Minnesota |
| 73 | Ann Irwin | 26 | wife | — | Minnesota |
| 74 | Jean Irwin | 6 | daughter | — | Minnesota |
| 75 | Ella Peterson | 55 | head | — | Minnesota |
| 76 | Henry Peterson THIS PERSON | 23 | son | Potato Sorter | Minnesota |
| 77 | Kathleen Peterson | 17 | daughter | — | Minnesota |
| 78 | Harold Peterson | 12 | son | — | Minnesota |
| 79 | Camilla Christensen | 65 | head | — | Denmark |
| 80 | Mabel Christensen | 31 | daughter | — | Minnesota |
Pedigree Summary
Henry + 2 siblings
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)