JP
John Pierson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Waukesha-County, Wisconsin
Our Model Tree links this John Pierson across the 1930 and 1940 US Censuses in Waukesha-County, Wisconsin (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 9-person household.
Age 20
b. ~1920
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Waukesha-County, Wisconsin |
| Surname | Pierson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Waukesha |
| 1935 Residence (County) | Waukesha |
| Additional Details | |
| Occupation | Labor |
| Industry | Lumber |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 325 |
| Highest Grade | H 2 |
| 1935 Residence | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Labor |
| Township / Ward | Pewaukee Township |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Harriet Pierson | Daughter | — | 22 | ~1918 |
| James Pierson | Son | — | 11 | ~1929 |
| John Pierson | Head | — | 58 | ~1882 |
| Anita Pierson | Daughter | — | 24 | ~1916 |
| Arthur Pierson | Son | — | 15 | ~1925 |
| Raymond Pierson | Son | — | 12 | ~1928 |
| Robert Pierson | Son | — | 18 | ~1922 |
| Warren Pierson | Son | — | 8 | ~1932 |
| John Pierson | Son | — | 20 | ~1920 |
Census Appearances
1930
Waukesha, Wisconsin
Son, age 10
Waukesha, Wisconsin · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pierson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Norway |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Waukesha-County, Wisconsin
Son, age 20
Waukesha-County, Wisconsin · implied b. ~1920 — 9 household members
| Surname | Pierson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Waukesha |
| 1935 Residence (County) | Waukesha |
| Occupation | Labor |
| Industry | Lumber |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 325 |
| Highest Grade | H 2 |
| 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 John Pierson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Pierson
Son · 1940 · age 20 · b. ~1920 · Wisconsin
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Sibling
Raymond Pierson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Pierson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Pierson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anita Pierson
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Pierson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Warren Pierson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harriet Pierson
Sibling · 1940 · age 22
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 — Waukesha-County, Wisconsin
Open full size
1940 US Federal Census — Waukesha-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04534-00142)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gilbert Schraeder | 33 | Head | Machinist | Wisconsin |
| 42 | Elizabeth Schraeder | 30 | Wife | — | Wisconsin |
| 43 | Gilbert Jr. Schraeder | 11 | Son | — | Wisconsin |
| 44 | Evelyn Schraeder | 8 | Daughter | — | Wisconsin |
| 45 | Edward Demeter | 29 | Head | Machine | Wisconsin |
| 46 | Dorothy Demeter | 25 | Wife | — | Illinois |
| 47 | Jerry Demeter | 3 | Son | — | Wisconsin |
| 48 | Nancy Demeter | 0 | Daughter | — | Wisconsin |
| 49 | George Hendrick | 25 | Head | Engineer 3Rd Class | Wisconsin |
| 50 | Mildred Hendrick | 21 | Wife | — | Iowa |
| 51 | Margie Hendrick | 3 | Daughter | — | Wisconsin |
| 52 | Judith Hendrick | 2 | Daughter | — | Wisconsin |
| 53 | Gilbert Frankenberg | 24 | Head | Blacksmith | Wisconsin |
| 54 | Herbert Kaulback | 38 | Half-brother | Machine Repair | Wisconsin |
| 55 | Walter Weber | 45 | Head | Supervisor | Wisconsin |
| 56 | Della Weber | 44 | Wife | — | Wisconsin |
| 57 | Walter Jr. Weber | 22 | Son | Machine Operator | Wisconsin |
| 58 | John W. Koch | 41 | Head | Sales Broker | Wisconsin |
| 59 | Bertha Koch | 34 | Wife | — | Japan |
| 60 | John James Koch | 9 | Son | — | Wisconsin |
| 61 | Mary Elizabeth Koch | 8 | Daughter | — | Wisconsin |
| 62 | Ruth Ann Koch | 4 | Daughter | — | Wisconsin |
| 63 | Helena Koch | 63 | Mother | — | Wisconsin |
| 64 | Mary Krueger | 17 | House-maid | Maid | Wisconsin |
| 65 | Fred H. Wilke | 51 | Head | Police Sergeant | Wisconsin |
| 66 | Margie Wilke | 52 | Wife | — | Wisconsin |
| 67 | John Pierson | 58 | Head | Truck Driver | Norway |
| 68 | Anita B. Pierson | 24 | Daughter | — | Wisconsin |
| 69 | Harriet Pierson | 22 | Daughter | Housework | Wisconsin |
| 70 | John Pierson THIS PERSON | 20 | Son | Labor | Wisconsin |
| 71 | Robert Pierson | 18 | Son | No Occupation | Wisconsin |
| 72 | Arthur Pierson | 15 | Son | — | Wisconsin |
| 73 | Raymond Pierson | 12 | Son | — | Wisconsin |
| 74 | James Pierson | 11 | Son | — | Wisconsin |
| 75 | Warren Pierson | 8 | Son | — | Wisconsin |
| 76 | James Biddison | 60 | Head | — | Wisconsin |
| 77 | Pearl Biddison | 60 | Wife | — | Wisconsin |
| 78 | John G. Rosenfuss | 72 | Caretaker | Caretaker | Wisconsin |
| 79 | Harold Butcher | 31 | Head | Labor | Wisconsin |
| 80 | Mary Butcher | 29 | Wife | — | Wisconsin |
Related Census Records
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)