TP
Thomas Peterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rock-County, Wisconsin
Our Model Tree links this Thomas Peterson across the 1930 and 1940 US Censuses in Rock-County, Wisconsin (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 7-person household.
Age 11
b. ~1929
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-County, Wisconsin |
| Surname | Peterson |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Rock |
| Additional Details | |
| Highest Grade | G 5 |
| 1935 Residence | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Town Of Beloit |
| Est. Birth Year | ~1929 |
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 |
|---|---|---|---|---|
| Mary Peterson | Daughter | — | 2 | ~1938 |
| Don Peterson | Son | — | 8 | ~1932 |
| Royal Peterson | Head | — | 52 | ~1888 |
| Ruth Peterson | Spouse | — | 50 | ~1890 |
| Joan Peterson | Daughter | — | 12 | ~1928 |
| Jeanette Peterson | Daughter | — | 9 | ~1931 |
| Thomas Peterson | Son | — | 11 | ~1929 |
Census Appearances
1930
Rock, Wisconsin
Son, age 1
Rock, Wisconsin · implied b. ~1929 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Rock-County, Wisconsin
Son, age 11
Rock-County, Wisconsin · implied b. ~1929 — 7 household members
| Surname | Peterson |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Rock |
| Highest Grade | G 5 |
| 1935 Residence | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 11 · b. ~1929 · Wisconsin
★ You are viewing this record
Sibling
Don Peterson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Peterson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Peterson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jeanette Peterson
Sibling · 1940 · age 9
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 — Rock-County, Wisconsin
Open full size
1940 US Federal Census — Rock-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04519-00724)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Roberto Vingers | 13 | Son | — | Wisconsin |
| 42 | Betty Vingers | 12 | Daughter | — | Wisconsin |
| 43 | Walter Cohen | 61 | Head | Tinsmith | Wisconsin |
| 44 | Merna Cohen | 58 | Wife | — | Wisconsin |
| 45 | Floyd Cohen | 34 | Head | Stock Clerk | Wisconsin |
| 46 | Olive Cohen | 31 | Wife | — | Wisconsin |
| 47 | Doloris Cohen | 9 | Daughter | — | Wisconsin |
| 48 | Lee Cohen | 7 | Son | — | Wisconsin |
| 49 | David Hopper | 20 | Brother in law | Lubricator | Wisconsin |
| 50 | Dean Weaver | 29 | Head | Stitcher | Illinois |
| 51 | Mari Weaver | 26 | Wife | — | Wisconsin |
| 52 | Dean Jr Weaver | 6 | Son | — | Wisconsin |
| 53 | James Weaver | 4 | Son | — | Wisconsin |
| 54 | Orville Ford | 31 | Head | Machinist | Wisconsin |
| 55 | Viola Ford | 28 | Wife | — | Michigan |
| 56 | Patsy Joan Ford | 9 | Daughter | — | Wisconsin |
| 57 | Donna Mae Ford | 7 | Daughter | — | Wisconsin |
| 58 | Adelbert Davis | 65 | Head | Foreman | Wisconsin |
| 59 | Janis Davis | 69 | Wife | — | Wisconsin |
| 60 | Royal Peterson | 52 | Head | Laborer | Wisconsin |
| 61 | Ruth Peterson | 50 | Wife | — | Illinois |
| 62 | Joan Peterson | 12 | Daughter | — | Wisconsin |
| 63 | Thomas Peterson THIS PERSON | 11 | Son | — | Wisconsin |
| 64 | Jeanette Peterson | 9 | Daughter | — | Wisconsin |
| 65 | Don Martin Peterson | 8 | Son | — | Wisconsin |
| 66 | Mary Lou Peterson | 2 | Daughter | — | Wisconsin |
| 67 | John Zajacoff | 21 | Head | Filler | Wisconsin |
| 68 | Violet Zajacoff | 19 | Wife | — | Wisconsin |
| 69 | Robert Zajacoff | 0 | Son | — | Wisconsin |
| 70 | Gaylord Hauger | 30 | Head | Edge Setter | Wisconsin |
| 71 | Marguerite Hauger | 27 | Wife | — | Wisconsin |
| 72 | Marlene Hauger | 6 | Daughter | — | Wisconsin |
| 73 | Robert Hauger | 4 | Son | — | Wisconsin |
| 74 | Garland Hauger | 3 | Daughter | — | Wisconsin |
| 75 | Kathleen Hauger | 2 | Daughter | — | Wisconsin |
| 76 | Richard Hauger | 1 | Son | — | Wisconsin |
| 77 | Alfred Hayden | 45 | Head | Punch Press Operator | Illinois |
| 78 | Laura Hayden | 44 | Wife | — | Wisconsin |
| 79 | Earl Hayden | 16 | Son | — | Wisconsin |
| 80 | Donald Hayden | 15 | Son | — | Wisconsin |
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)