EP
Ernest Peterson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Knox, Illinois
Our Model Tree links this Ernest Peterson across the 1920, 1930 and 1940 US Censuses in Knox, Illinois (XGBoost, ~Confirmed), with identified parents Joseph & Alma — first a head (b.~1894), then head of a 3-person household.
Age 36
b. ~1894
Male
Head
Born: Illinois
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Knox, Illinois |
| Surname | Peterson |
| Given Name | Ernest S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 26 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Switchman |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3500 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Switchman |
| Township / Ward | Galesburg City |
| Est. Birth Year | ~1894 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Ernest | Age | Birth yr |
|---|---|---|---|---|
| Ernest Peterson | Head | — | 36 | ~1894 |
| Judith Peterson | Other | — | 35 | ~1895 |
| Marilyn Peterson | Daughter | — | 5 | ~1925 |
Census Appearances
1920
Knox, Illinois
Son, age 26
Knox, Illinois · implied b. ~1894 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Ernest |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Bookkeeper |
| Industry | Sugar Rail Road |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Knox, Illinois
Head, age 36
Knox, Illinois · implied b. ~1894 — 3 household members
| Surname | Peterson |
| Given Name | Ernest S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 26 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Switchman |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3500 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Knox-County, Illinois
Head, age 46
Knox-County, Illinois · implied b. ~1894 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Earnest S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Galesburg City |
| 1935 Residence (County) | Knox |
| Occupation | Superintendent of Buildings |
| Industry | Public School System |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1900 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Ernest Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Peterson (~0.92 confidence) and mother Alma Peterson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Peterson
b. ~1853
Source father
● Household
· direct · ~0.92
Mother
Alma Peterson
b. ~1864
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ernest Peterson
Head · 1930 · age 36 · b. ~1894 · Illinois
★ 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 — Knox, Illinois
Open full size
1930 US Federal Census — Knox, Illinois
Page Contents
49 people indexed on this census page (ia:1930:illinoiscensus00reel527:0434)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Vincent C King | 24 | Son | Salesman | Illinois |
| 52 | Clarence D Smith | 50 | Head | Inspector | Illinois |
| 53 | Helen K Smith | 46 | Wife-H | — | Illinois |
| 54 | Theodore A Lind | 57 | Head | Investigator | Illinois |
| 55 | Hilma O Lind | 54 | Wife-H | — | Illinois |
| 56 | Lawrence P Johnson | 38 | Head | Salesman | Illinois |
| 57 | Edna A Johnson | 32 | Wife-H | — | Illinois |
| 58 | Robert L Johnson | 9 | Son | — | Illinois |
| 59 | Barbara J Johnson | 6 | Daughter | — | Illinois |
| 60 | Virginia M Johnson | 4 | Daughter | — | Illinois |
| 61 | Slovo Sepich | 46 | Head | Dig Coal | Croatia |
| 62 | Eva M Sepich | 39 | Wife-H | — | Croatia |
| 63 | Victoria E Sepich | 19 | Daughter | Ironer | Illinois |
| 64 | Thomas E Sepich | 18 | Son | Dig Coal | Illinois |
| 65 | Theresa Sepich | 16 | Daughter | — | Illinois |
| 66 | Ludwig Sepich | 14 | Son | — | Illinois |
| 67 | Helen Sepich | 10 | Daughter | — | Illinois |
| 68 | Edith Sepich | 8 | Daughter | — | Illinois |
| 69 | Emma I Sepich | 6 | Daughter | — | Illinois |
| 70 | Axel Raen | 46 | Head | Carpenter | Norway |
| 71 | Mary C Raen | 36 | Wife-H | — | Sweden |
| 72 | Bernice H Raen | 10 | Daughter | — | S. Dakota |
| 73 | Ralph H Raen | 8 | Son | — | N. Dakota |
| 74 | Jacob Vondels | 39 | Head | Dig Coal | Germany |
| 75 | Vanesse J Vondels | 32 | Wife-H | — | United States |
| 76 | Clara M Vondels | 14 | Daughter | — | Illinois |
| 77 | Evelyn M Vondels | 13 | Daughter | — | Illinois |
| 78 | Vanesse J Vondels | 8 | Daughter | — | Illinois |
| 79 | Clara H Sutherland | 49 | Head | Commercial Traveler | Illinois |
| 80 | Anna Sutherland | 52 | Wife-H | — | Illinois |
| 81 | Judson S Griffin | 39 | Head | Janitor | Missouri |
| 82 | Matilda Griffin | 36 | Wife-H | — | Missouri |
| 83 | Telisha B Mitchell | 60 | Mother-in-law | — | Missouri |
| 84 | Frank Johnson | 40 | Head | Machinist | Illinois |
| 85 | Nellie Johnson | 38 | Wife-H | Manager | Illinois |
| 86 | Majorie Johnson | 16 | Daughter | — | Illinois |
| 87 | Helen Johnson | 18 | Daughter | Waitress | Illinois |
| 89 | John W Carlson | 31 | Head | Commercial Traveler | Sweden |
| 90 | Edith H Carlson | 28 | Wife-H | Cashier | Illinois |
| 91 | Ernest S Peterson THIS PERSON | 36 | Head | Switchman | Illinois |
| 92 | Judith M Peterson | 35 | Wife-H | — | Illinois |
| 93 | Marilyn J Peterson | 5 | Daughter | — | Illinois |
| 94 | John H Shull | 52 | Head | Hospital Janitor | Illinois |
| 95 | Rachael E Shull | 51 | Wife-H | — | Pennsylvania |
| 96 | John H Shull | 21 | Son | — | Illinois |
| 97 | William G Shull | 17 | Son | — | Illinois |
| 98 | Thos A Stromgren | 42 | Head | Plasterer | Sweden |
| 99 | Agnes H Stromgren | 30 | Wife-H | — | Sweden |
| 100 | Margaret A Stromgren | 2 | Daughter | — | Illinois |
Pedigree Summary
Ernest
Gen 1 · 2 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)