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John Powell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rock-County, Wisconsin
Our Model Tree links this John Powell across the 1930 and 1940 US Censuses in Rock-County, Wisconsin (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 10-person household.
Age 11
b. ~1929
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-County, Wisconsin |
| Surname | Powell |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Milton township |
| Additional Details | |
| Highest Grade | No 5 |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Milton Township |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Barbara Powell | Daughter | — | 4 | ~1936 |
| Charlotte Powell | Daughter | — | 3 | ~1937 |
| Marjorie Powell | Daughter | — | 8 | ~1932 |
| Beverly Powell | Daughter | — | 2 | ~1938 |
| Elaine Powell | Daughter | — | 1 | ~1939 |
| Ava Powell | Daughter | — | 9 | ~1931 |
| David Powell | Head | — | 35 | ~1905 |
| John Powell | Son | — | 11 | ~1929 |
| James Powell | Son | — | 6 | ~1934 |
| Violet Powell | Spouse | — | 30 | ~1910 |
Census Appearances
1930
Rock, Wisconsin
Son, age
Rock, Wisconsin · implied b. ~1930 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Powell |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| 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 — 10 household members
| Surname | Powell |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Milton township |
| Highest Grade | No 5 |
| 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 John Powell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Powell
Son · 1940 · age 11 · b. ~1929 · Wisconsin
★ You are viewing this record
Sibling
Beverly Powell
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ava Powell
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elaine Powell
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Powell
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Powell
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Powell
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Powell
Sibling · 1940 · age 8
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-t0627-04521-00189)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary R Ludlow | 3 | Daughter | — | — |
| 42 | William Thomas | 75 | Head | — | Germany |
| 43 | Joseph Steitzer | 36 | Son in law | Worker | Texas |
| 44 | Marie Steitzer | 34 | Daughter | — | Wisconsin |
| 45 | Marilyn Steitzer | 8 | Grand daughter | — | South Dakota |
| 46 | William Steitzer | 2 | Grand son | — | South Dakota |
| 47 | Frederick S Thomas | 56 | Brother | Truck Driver | Wisconsin |
| 48 | David W Powell | 35 | Head | Welder | Wisconsin |
| 49 | Violet A Powell | 30 | Wife | — | Wisconsin |
| 50 | John Powell THIS PERSON | 11 | Son | — | Wisconsin |
| 51 | Ava Mae Powell | 9 | Daughter | — | Wisconsin |
| 52 | Marjorie M Powell | 8 | Daughter | — | Wisconsin |
| 53 | James N Powell | 6 | Son | — | Wisconsin |
| 54 | Barbara E Powell | 4 | Daughter | — | Wisconsin |
| 55 | Charlotte E Powell | 3 | Daughter | — | Wisconsin |
| 56 | Beverly J Powell | 2 | Daughter | — | Wisconsin |
| 57 | Elaine R Powell | 1 | Daughter | — | Wisconsin |
| 58 | Guy W Holliday | 45 | Head | Farmer | Illinois |
| 59 | Mary S Holliday | 42 | Wife | — | Wisconsin |
| 60 | Irene F Bliss | 22 | Daughter | — | Wisconsin |
| 61 | Fern W Clarke | 40 | Sister in law | — | Wisconsin |
| 62 | Ralph Derks | 33 | Hired man | Laborer | Wisconsin |
| 63 | John Redden | 33 | Hired man | Labour | Wisconsin |
| 64 | Frank C Hull | 53 | Head | Farmer | Wisconsin |
| 65 | Kathryn B Hull | 51 | Wife | — | Wisconsin |
| 66 | Kathryn V Hull | 24 | Daughter | Inspector | Wisconsin |
| 67 | Donald W Hull | 22 | Son | Setter | Wisconsin |
| 68 | W. Richard Hull | 20 | Son | New Worker | Wisconsin |
| 69 | Vivian E Hull | 19 | Son | New Worker | Wisconsin |
| 70 | Warren L Hull | 17 | Son | — | Wisconsin |
| 71 | Marian E Hull | 11 | Daughter | — | Wisconsin |
| 72 | Edgar F Grant | 67 | Head | Farmer | North Carolina |
| 73 | Harriet S Grant | 59 | Wife | — | Missouri |
| 74 | Mary E Caughran | 64 | Sister in law | — | Missouri |
| 75 | James D Hardwick | 56 | Head | Farmer | Missouri |
| 76 | Alma Hardwick | 59 | Wife | — | Wisconsin |
| 77 | William G Prentice | 25 | Head | Farmer | Nebraska |
| 78 | Marie Prentice | 21 | Wife | — | Utah |
| 79 | Russell Barber | 21 | Hired man | Laborer | Nebraska |
| 80 | Albert Meyer | 40 | Head | Farmer | 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)