TP
Thomas Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cerro-Gordo-County, Iowa
Our Model Tree links this Thomas Peterson across the 1930 and 1940 US Censuses in Cerro-Gordo-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 7-person household.
Age 24
b. ~1916
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cerro-Gordo-County, Iowa |
| Surname | Peterson |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Mason City |
| 1935 Residence (County) | Cerro Gordo |
| Additional Details | |
| Occupation | Laborer |
| Industry | Rail Road |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 64 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Mason City |
| Est. Birth Year | ~1916 |
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 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Murice Peterson | Son | — | 6 | ~1934 |
| Laura Peterson | Spouse | — | 45 | ~1895 |
| William Peterson | Son | — | 17 | ~1923 |
| Bessy Peterson | Daughter | — | 19 | ~1921 |
| Thomas Peterson | Son | — | 24 | ~1916 |
| Arthur Peterson | Head | — | 49 | ~1891 |
| Arthur Peterson | Son | — | 16 | ~1924 |
Census Appearances
1930
Cerro Gordo, …
Son, age 14
Cerro Gordo, Iowa · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Thomas A. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Cerro-Gordo-County, Iowa
Son, age 24
Cerro-Gordo-County, Iowa · implied b. ~1916 — 7 household members
| Surname | Peterson |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Mason City |
| 1935 Residence (County) | Cerro Gordo |
| Occupation | Laborer |
| Industry | Rail Road |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 64 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Thomas Peterson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Peterson
Son · 1940 · age 24 · b. ~1916 · Iowa
★ You are viewing this record
Sibling
Arthur Peterson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Peterson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bessy Peterson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Murice Peterson
Sibling · 1940 · age 6
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 — Cerro-Gordo-County, Iowa
Open full size
1940 US Federal Census — Cerro-Gordo-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01146-00912)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nellie D Ives | 73 | Wife | — | Illinois |
| 42 | Nicolas Belbroff | 62 | Head | — | Bulgaria |
| 43 | Ruth Belbroff | 58 | Wife | Carpenter | Bulgaria |
| 44 | Charles R Seel | 27 | Head | Traffic Agent | Michigan |
| 45 | Colleen Seel | 23 | Wife | — | Iowa |
| 46 | Barbara Seel | 1 | Daughter | — | Iowa |
| 47 | Arthur H Lussman | 48 | Head | Yard Conductor | Iowa |
| 48 | Meta D Lussman | 45 | Wife | — | Nebraska |
| 49 | Howard H Lussman | 25 | Son | Brakeman | Iowa |
| 50 | Raymond A Lussman | 20 | Son | File Clerk | Iowa |
| 51 | Phillip R Mcdonnell | 80 | Head | — | Ohio |
| 52 | Lydia Mcdonnell | 63 | Wife | Dress Maker | Indiana |
| 53 | William H Woodhouse | 62 | Head | Baggage Agent | Iowa |
| 54 | Sarah J Woodhouse | 60 | Wife | — | Iowa |
| 55 | Glenn O Wise | 27 | Head | Mechanic | Iowa |
| 56 | Evelyn A Wise | 25 | Wife | — | Iowa |
| 57 | Richard Wise | 5 | Son | — | Iowa |
| 58 | Larry Wise | 1 | Son | — | Iowa |
| 59 | Elizabeth Mensch | 72 | Head | — | Illinois |
| 60 | Frank C Burnell | 50 | Head | Bookkeeper | Iowa |
| 61 | Mary J Burnell | 50 | Wife | — | Iowa |
| 62 | William A Swift | 53 | Head | Laundress | Nebraska |
| 63 | Anna Swift | 46 | Wife | Laborer | Iowa |
| 64 | Irene M Swift | 13 | Daughter | — | Iowa |
| 65 | Arthur J Peterson | 49 | Head | Engineer | Iowa |
| 66 | Laura M Peterson | 45 | Wife | — | Iowa |
| 67 | Thomas Peterson THIS PERSON | 24 | Son | Laborer | Iowa |
| 68 | Bessy Lou Marion Peterson | 19 | Daughter | Laborer | Iowa |
| 69 | William Peterson | 17 | Son | Waitress | Iowa |
| 70 | Arthur Arthur Peterson | 16 | Son | — | Iowa |
| 71 | Murice J Peterson | 6 | Son | — | Iowa |
| 72 | Leo J Berry | 45 | Head | Machinist | Iowa |
| 73 | Wanda Berry | 44 | Wife | — | Iowa |
| 74 | Edward W Ployhart | 35 | Head | Office Manager | Minnesota |
| 75 | Hazel M Ployhart | 34 | Wife | — | Iowa |
| 76 | Mary C Ployhart | 3 | Daughter | — | Iowa |
| 77 | Paul B Gustafson | 41 | Head | Agent | Sweden |
| 78 | Clara Gustafson | 39 | Wife | — | Iowa |
| 79 | Marion S Gustafson | 18 | Daughter | Typist | Iowa |
| 80 | Robert C Gustafson | 17 | Son | Delivery | Iowa |
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)