FP
Frank Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lake-County, Michigan
Our Model Tree links this Frank Peterson across the 1920, 1930 and 1940 US Censuses in Lake-County, Michigan (XGBoost, ~Confirmed), with identified parents Nels & Hilda — first a son (b.~1920), then head of a 5-person household.
Age 20
b. ~1920
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Michigan |
| Surname | Peterson |
| Given Name | Frank E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Lake Twp |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Lake Twp |
| Est. Birth Year | ~1920 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Helen Peterson | Daughter | — | 17 | ~1923 |
| Nels Peterson | Head | — | 53 | ~1887 |
| Frank Peterson | Son | — | 20 | ~1920 |
| Lester Peterson | Son | — | 14 | ~1926 |
| Hilda Peterson | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Lake, Michigan
Son, age
Lake, Michigan · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Frank E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Lake, Michigan
Son, age 10
Lake, Michigan · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Frank E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Lake-County, Michigan
Son, age 20
Lake-County, Michigan · implied b. ~1920 — 5 household members
| Surname | Peterson |
| Given Name | Frank E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Lake Twp |
| 1935 Residence (County) | Lake |
| Hours Worked | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Frank Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Nels Peterson (~0.92 confidence) and mother Hilda Peterson (~0.92 confidence) and mother Imelda Peterson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nels Peterson
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Hilda Peterson
b. ~1900
Source mother
● Household
· direct · ~0.92
Mother
Imelda Peterson
b. ~1900
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Peterson
Son · 1940 · age 20 · b. ~1920 · Michigan
★ You are viewing this record
Sibling
Helen Peterson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lester Peterson
Sibling · 1940 · age 14
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 — Lake-County, Michigan
Open full size
1940 US Federal Census — Lake-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01777-00225)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | H. Clyde Wann | 61 | Head | Farmer | Indiana |
| 2 | Florence Wann | 64 | Wife | — | Same house |
| 3 | Arthur L. Seelory | Seelery | 37 | Head | Farmer | Michigan |
| 4 | Anna E. Seelory | Seelery | 28 | Wife | Teacher | Michigan |
| 5 | Leola Roach | 27 | Housekeeper | Housekeeper | Michigan |
| 6 | Thomas C. Wann | 55 | Head | Farmer | Indiana |
| 7 | Maude E. Wann | 53 | Wife | — | Indiana |
| 8 | Ivan Lopak | 50 | Head | Farmer | Yugoslavia |
| 9 | Antonia Lopak | 38 | Wife | — | Yugoslavia |
| 10 | Thomas P. Lopak | 16 | Son | — | Pennsylvania |
| 11 | William I. Lopak | 11 | Son | — | Michigan |
| 12 | John Marsten | 55 | Head | Farmer | Michigan |
| 13 | Peter Marsten | 51 | Brother | Farmer | Michigan |
| 14 | Claude L. Johnson | 58 | Head | Farmer | Michigan |
| 15 | Amanda Johnson | 57 | Wife | — | Michigan |
| 16 | Nels Peterson | 53 | Head | Farmer | Sweden |
| 17 | Hilda R. Peterson | 40 | Wife | — | Michigan |
| 18 | Frank E. Peterson THIS PERSON | 20 | Son | — | Michigan |
| 19 | Helen M. Peterson | 17 | Daughter | Telephone Operator | Michigan |
| 20 | Lester G. Peterson | 14 | Son | — | Michigan |
| 21 | Sidney R. Minier | 41 | Head | Farmer | Michigan |
| 22 | Geraldine R. Minier | 27 | Wife | — | Michigan |
| 23 | George C. Minier | 82 | Father | — | Canada-English |
| 24 | Hannah Minier | 75 | Mother | — | Sweden |
| 25 | Richard R. Rader | 22 | Nephew | Maintenance | Illinois |
| 26 | Robert C. Rader | 24 | Head | Truck Driver | Illinois |
| 27 | Elaine F. Rader | 23 | Wife | — | Michigan |
| 28 | Leon R. Rader | 5 | Son | — | Michigan |
| 29 | Albert Peterson | 60 | Head | Farmer | Michigan |
| 30 | Freda H. Peterson | 49 | Wife | — | Minnesota |
| 31 | Bernard A. Peterson | 27 | Son | Laborer | Michigan |
| 32 | Ralph L. Peterson | 21 | Son | Truck Driver | Michigan |
| 33 | Vercia L. Peterson | 18 | Daughter | — | Michigan |
| 34 | Bernice Woods | 17 | Lodger | — | Michigan |
| 35 | Anton Neuman | 65 | Head | Farmer | Germany |
| 36 | Carl B. Robison | 21 | Son-in-law | Farmer | Michigan |
| 37 | Helen Robison | 22 | Daughter | — | New Jersey |
| 38 | Edward T. Prone | 57 | Head | Farmer | Michigan |
| 39 | Minnie M. Prone | 47 | Wife | — | Michigan |
| 40 | J. Ernest Prone | 20 | Son | Enrollee | Michigan |
Pedigree Summary
Frank + 2 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 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)