JP
John Pierson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Carver-County, Minnesota
Our Model Tree links this John Pierson across the 1930 and 1940 US Censuses in Carver-County, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 5-person household.
Age 15
b. ~1925
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Carver-County, Minnesota |
| Surname | Pierson |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Watertown Village |
| 1935 Residence (County) | Carver |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Watertown Village |
| Est. Birth Year | ~1925 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Robert Pierson | Son | — | 15 | ~1925 |
| Simms Pierson | Head | — | 43 | ~1897 |
| Dale Pierson | Son | — | 5 | ~1935 |
| John Pierson | Son | — | 15 | ~1925 |
| Alice Pierson | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Carver, Minnesota
Son, age 4
Carver, Minnesota · implied b. ~1926 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Person |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Carver-County, Minnesota
Son, age 15
Carver-County, Minnesota · implied b. ~1925 — 5 household members
| Surname | Pierson |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Watertown Village |
| 1935 Residence (County) | Carver |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 15 · b. ~1925 · Minnesota
★ You are viewing this record
Sibling
Robert Pierson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dale Pierson
Sibling · 1940 · age 5
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 — Carver-County, Minnesota
Open full size
1940 US Federal Census — Carver-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01911-00479)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Boylan | 39 | Head | Dentist | Minnesota |
| 42 | Esther L. Boylan | 39 | Wife | — | Minnesota |
| 43 | Lena Schmidt | 68 | Head | — | Minnesota |
| 44 | William F. Schmidt | 48 | Son | Laborer | Minnesota |
| 45 | Robert A. Amborn | 47 | Head | Barber | Wisconsin |
| 46 | Catherine M. Amborn | 59 | Wife | — | Minnesota |
| 47 | Robert E. Amborn | 18 | Son | — | Minnesota |
| 48 | Pauline F. Amborn | 17 | Daughter | — | Minnesota |
| 49 | Kenneth L. Amborn | 15 | Son | — | Minnesota |
| 50 | James A. Amborn | 8 | Son | — | Minnesota |
| 51 | Rollin W. Ketchey | 24 | Head | Fireman | Minnesota |
| 52 | Doris C. Ketchey | 24 | Wife | — | Minnesota |
| 53 | Bonita J. Ketchey | 2 | Daughter | — | Minnesota |
| 54 | John H. Carlson | 62 | Head | Miller | Illinois |
| 55 | Selma Carlson | 57 | Wife | — | Pennsylvania |
| 56 | Frank B. Campbell | 45 | Head | Agricultural Instructor | Minnesota |
| 57 | Hazel E. Campbell | 37 | Wife | — | Minnesota |
| 58 | Donald C. Campbell | 15 | Son | — | Minnesota |
| 59 | Gayl Lenore Campbell | 13 | Daughter | — | North Dakota |
| 60 | Wayne L. Campbell | 10 | Son | — | Minnesota |
| 61 | Matilda C. Pery | 52 | Head | — | Minnesota |
| 62 | Doris M. Pery | 25 | Daughter | — | Minnesota |
| 63 | Irvin J. Pery | 22 | Son | Helper | Minnesota |
| 64 | Frank Flusek | 75 | Head | — | Germany |
| 65 | Julia M. Flusek | 69 | Wife | — | Germany |
| 66 | Beatrice F. Flusek | 29 | Daughter | — | Minnesota |
| 67 | Richard E. Pogue | 34 | Head | — | Minnesota |
| 68 | Francis V. Pogue | 35 | Wife | — | Minnesota |
| 69 | Richard E. Pogue | 10 | Son | — | California |
| 70 | Patricia A. Pogue | 4 | Daughter | — | Minnesota |
| 71 | Katie M. Pogue | 69 | Mother | — | Minnesota |
| 72 | Simms L. Pierson | 43 | Head | Dentist | Minnesota |
| 73 | Alice M. Pierson | 40 | Wife | — | Minnesota |
| 74 | John E. Pierson THIS PERSON | 15 | Son | — | Minnesota |
| 75 | Robert R. Pierson | 15 | Son | — | Minnesota |
| 76 | Dale R. Pierson | 5 | Son | — | Minnesota |
| 77 | Nels Holmberg | 73 | Head | Mason | Sweden |
| 78 | Selma Holmberg | 78 | Wife | — | Sweden |
| 79 | Geo V. Holmberg | 39 | Head | Barber | Minnesota |
| 80 | Clara M. Holmberg | 38 | Wife | — | Minnesota |
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)