HJ
Harriet Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Harriet Johnson across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 6-person household.
Age 52
b. ~1888
Female
Spouse
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Johnson |
| Given Name | Harriet |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Los Angeles |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | Los Angeles |
| Est. Birth Year | ~1888 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harriet | Age | Birth yr |
|---|---|---|---|---|
| David Johnson | Son | — | 20 | ~1920 |
| Edward Johnson | Head | — | 47 | ~1893 |
| George Johnson | Son | — | 18 | ~1922 |
| Harriet Johnson | Spouse | — | 52 | ~1888 |
| Marjorie Johnson | Daughter | — | 16 | ~1924 |
| Alice Johnson | Daughter | — | 24 | ~1916 |
Census Appearances
1920
Los Angeles, …
Spouse, age 31
Los Angeles, California · implied b. ~1889 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Harriet |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Year of Naturalization | 1899 |
| Birthplace (normalized) | england |
1930
Los Angeles, …
Spouse, age 43
Los Angeles, California · implied b. ~1887 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Harriet |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | England |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | No |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Los-Angeles-County, California
Spouse, age 52
Los-Angeles-County, California · implied b. ~1888 — 6 household members
| Surname | Johnson |
| Given Name | Harriet |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Los Angeles |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Harriet Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Harriet Johnson
Spouse · 1940 · age 52 · b. ~1888 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Los-Angeles-County, California
Open full size
1940 US Federal Census — Los-Angeles-County, California
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00409-00482)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Everett S. Brumzell | 24 | head | Contractor Builder | Nebraska |
| 2 | Mary Angela Brumzell | 24 | wife | — | Illinois |
| 3 | Patricia A. Brumzell | 2 | daughter | — | California |
| 4 | Thomas S. Brumzell | 57 | head | Contractor | Sweden |
| 5 | Emma S. Brumzell | 54 | wife | — | Minnesota |
| 6 | Edward Johnson | 47 | head | Carpenter | Illinois |
| 7 | Harriet Johnson THIS PERSON | 52 | wife | — | England |
| 8 | Alice Johnson | 24 | daughter | New Worker | California |
| 9 | David Johnson | 20 | son | Carpenter Helper | California |
| 10 | George Johnson | 18 | son | — | California |
| 11 | Marjorie Johnson | 16 | daughter | — | California |
| 12 | Bernhardt Mortensen | 24 | head | Clerk - Checker | California |
| 13 | Eleanor R. Mortensen | 22 | wife | — | Nebraska |
| 14 | Diane Mortensen | 1 | daughter | — | California |
| 15 | Thomas Layana | 34 | head | Gardner | Spain |
| 16 | Pearl Layana | 27 | wife | — | California |
| 17 | Jane P. Layana | 8 | daughter | — | California |
| 18 | Martha Layana | 4 | daughter | — | California |
| 19 | Reuben Lundquist | 48 | head | Building Sub Contractor | Minnesota |
| 20 | Olga O. Lundquist | 42 | wife | — | Sweden |
| 21 | Donald R. Lundquist | 13 | son | — | Minnesota |
| 22 | Charles W. Lundquist | 12 | son | — | Minnesota |
| 23 | Ellsworth Sage | 59 | head | Sheet Metal Worker | Iowa |
| 24 | Anna Sage | 54 | wife | Housekeeper | Tennessee |
| 25 | Gilbert W. Hall | 55 | head | Laborer | Illinois |
| 26 | Mary Hall | 50 | wife | — | Illinois |
| 27 | Viola Hall | 26 | daughter | Waitress | Illinois |
| 28 | Harold Hall | 23 | son | Hard Rock Miner | Illinois |
| 29 | Delores Jean Connolly | 11 | grand daughter | — | Illinois |
| 30 | Martin Deane | 72 | head | — | California |
| 31 | Elsie Deane | 47 | wife | — | Louisiana |
| 32 | Mike Wallace | 29 | head | Salesman Distributor | Illinois |
| 33 | Helen W. Wallace | 28 | wife | — | Michigan |
| 34 | Nancy Wallace | 2 | daughter | — | California |
| 35 | Betty Wallace | 1 | daughter | — | California |
| 36 | Richard Engle | 27 | head | Porter Hotel Transportation | N. Dakota |
| 37 | Rosamond Engle | 27 | wife | — | N. Dakota |
| 38 | Samuel Engle | 1 | son | — | California |
| 39 | John Sr. Bjorkland | 50 | head | Cement Finisher | 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)