MN
Mary Norris — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Mary Norris across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 6-person household.
Age 12
b. ~1928
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Norris |
| Given Name | Mary Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1928 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Robert Norris | Other | — | 75 | ~1865 |
| Margaret Norris | Daughter | — | 10 | ~1930 |
| Robert Norris | Head | — | 47 | ~1893 |
| Agnes Norris | Daughter | — | 6 | ~1934 |
| Mary Norris | Daughter | — | 12 | ~1928 |
| Winifred Norris | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Los Angeles, …
Daughter, age 2
Los Angeles, California · implied b. ~1928 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Norris |
| Given Name | Marjorie L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Daughter, age 12
Los-Angeles-County, California · implied b. ~1928 — 6 household members
| Surname | Norris |
| Given Name | Mary Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 Mary Norris across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Norris
Daughter · 1940 · age 12 · b. ~1928 · California
★ You are viewing this record
Sibling
Margaret Norris
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Norris
Sibling · 1940 · age 6
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 — 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-t0627-00389-00453)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Max Schaefer | 52 | Head | Laborer | Minnesota |
| 2 | Lillie Schaefer | 64 | Wife | — | Illinois |
| 3 | Robert Norris | 47 | Head | Florist | Illinois |
| 4 | Winifred Norris | 43 | Wife | Saleslady | Illinois |
| 5 | Mary Helen Norris THIS PERSON | 12 | Daughter | — | California |
| 6 | Margaret Norris | 10 | Daughter | — | California |
| 7 | Agnes Norris | 6 | Daughter | — | California |
| 8 | Robert Jr. Norris | 75 | Father | — | Ireland |
| 9 | Ray R. Madison | 45 | Head | Truck Driver | Michigan |
| 10 | Molly Madison | 41 | Wife | — | Washington |
| 11 | John Madison | 19 | Son | Glass Blower | California |
| 12 | Richard Carrico | 32 | Head | Steward (Rr) | Nebraska |
| 13 | May Carrico | 25 | Wife | — | Nebraska |
| 14 | Janice Carrico | 0 | Daughter | — | Colorado |
| 15 | John Berry | 38 | Head | Asst. Crematorium | Illinois |
| 16 | Alonzo Berry | 26 | Wife | Cosmetician | Michigan |
| 17 | Wesley Berry | 2 | Son | — | California |
| 18 | Edward Clarke | 42 | Head | Auto Mechanic | Arizona |
| 19 | Claudia Clarke | 49 | Wife | — | Lower California |
| 20 | John O. Henderson | 26 | Step-son | Order Clerk | Mexico |
| 21 | Beverly Ruth Clarke | 13 | Daughter | — | California |
| 22 | Edward Jas Clarke | 12 | Son | — | California |
| 23 | Anna Smith | 76 | Mother-in-law | — | Lower California |
| 24 | Frank Collins | 44 | Head | Electrician | Pennsylvania |
| 25 | Anna Collins | 39 | Wife | — | So. Dakota |
| 26 | Morgan Collins | 18 | Daughter | Sales Clerk | California |
| 27 | Barbara Ann Collins | 12 | Daughter | — | California |
| 28 | Ira Sherrill | 56 | Head | Mechanic | Missouri |
| 29 | Lora Sherrill | 57 | Wife | — | Missouri |
| 30 | Virginia Sherrill | 26 | Daughter | Stenographer | Washington |
| 31 | Thomas Moore | 57 | Head | Painter | Iowa |
| 32 | Jessie E. Moore | 47 | Wife | — | N. Dakota |
| 33 | Allen Moore | 22 | Son | Painter | N. Dakota |
| 34 | Barbara Moore | 20 | Daughter | Cashier | So. Dakota |
| 35 | Lee Moore | 21 | Step-son | Order Clerk | California |
| 36 | Mary Skeele | 72 | Head | — | Illinois |
| 37 | Jane Hall | 26 | Lodger | Social Worker | California |
| 38 | Ruth Erickson | 55 | Head | Manager | New York |
| 39 | David Spencer | 67 | Lodger | — | Nebraska |
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)