PJ
Patricia Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this Patricia Johnson across the 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 7-person household.
Age 15
b. ~1925
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Johnson |
| Given Name | Patricia |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul |
| 1935 Residence (County) | Ramsey |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | St Paul |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Patricia | Age | Birth yr |
|---|---|---|---|---|
| Richard Johnson | Son | — | 10 | ~1930 |
| Patricia Johnson | Daughter | — | 15 | ~1925 |
| Frances Johnson | Daughter | — | 14 | ~1926 |
| Mary Johnson | Spouse | — | 41 | ~1899 |
| Norbert Johnson | Son | — | 18 | ~1922 |
| Mary Johnson | Daughter | — | 17 | ~1923 |
| Francis Johnson | Head | — | 46 | ~1894 |
Census Appearances
1930
Ramsey, Minnesota
Daughter, age 5
Ramsey, Minnesota · implied b. ~1925 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Patricia M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Daughter, age 15
Ramsey-County, Minnesota · implied b. ~1925 — 7 household members
| Surname | Johnson |
| Given Name | Patricia |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul |
| 1935 Residence (County) | Ramsey |
| Class of Worker | 0 |
| Hours Worked | 0 |
| 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 Patricia Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Patricia Johnson
Daughter · 1940 · age 15 · b. ~1925 · Minnesota
★ You are viewing this record
Sibling
Frances Johnson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Johnson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norbert Johnson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Johnson
Sibling · 1940 · age 10
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 — Ramsey-County, Minnesota
Open full size
1940 US Federal Census — Ramsey-County, Minnesota
Page Contents
18 people indexed on this census page (nara:1940:m-t0627-02003-00661)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gerturd N. Nelson | 55 | Mother-in-law | — | Sweden |
| 42 | Norman B. Killegaard | 34 | Head | Office Manager | Minnesota |
| 43 | Myrtle Killegaard | 32 | Wife | — | Minnesota |
| 44 | Edward W. Bergstrom | 36 | Head | Contracting | Minnesota |
| 45 | Harriet M. Bergstrom | 36 | Wife | Secretary | Minnesota |
| 46 | Daisy T. Dewters | 51 | Mother-in-law | — | Minnesota |
| 48 | Eugene Mercier | 52 | Head | Pullman Car Conductor | Minnesota |
| 49 | Maude Mercier | 52 | Wife | — | Ohio |
| 50 | Torvald Mortensen | 45 | Head | House Painter | Denmark |
| 51 | Jennie S. Mortensen | 50 | Wife | — | Minnesota |
| 52 | Richard T. Mortensen | 14 | Son | — | Minnesota |
| 54 | Francis G. Johnson | 46 | Head | Painter Decorator | Minnesota |
| 55 | Mary Johnson | 41 | Wife | — | Minnesota |
| 56 | Norbert Johnson | 18 | Son | — | Minnesota |
| 57 | Mary A. Johnson | 17 | Daughter | Nursemaid | Minnesota |
| 58 | Patricia Johnson THIS PERSON | 15 | Daughter | — | Minnesota |
| 59 | Frances Johnson | 14 | Daughter | — | Minnesota |
| 60 | Richard Johnson | 10 | Son | — | 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)