MS
Mary Schneider — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Diego-County, California
Our Model Tree links this Mary Schneider across the 1920, 1930 and 1940 US Censuses in San-Diego-County, California (XGBoost, ~Confirmed), with identified parents Ida & Edward — first a daughter (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Diego-County, California |
| Surname | Schneider |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Diego City |
| 1935 Residence (County) | San Diego |
| Additional Details | |
| Occupation | Stenographer |
| Industry | commercial department |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 236 |
| Highest Grade | C 2 |
| 1935 Residence | Same Place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Stenographer |
| Township / Ward | San Diego City |
| Est. Birth Year | ~1912 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Schneider | Daughter | — | 28 | ~1912 |
| Edward Schneider | Head | — | 62 | ~1878 |
| Ida Schneider | Spouse | — | 65 | ~1875 |
Census Appearances
1920
San Diego, …
Daughter, age 8
San Diego, California · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schneider |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | New York |
| Mother's Birthplace | Iowa |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Diego, …
Daughter, age 18
San Diego, California · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Schneider |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | New York |
| Mother's Birthplace | Iowa |
| Occupation | Usherette |
| Industry | Theatre |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Diego-County, California
Daughter, age 28
San-Diego-County, California · implied b. ~1912 — 3 household members
| Surname | Schneider |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Diego City |
| 1935 Residence (County) | San Diego |
| Occupation | Stenographer |
| Industry | commercial department |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 236 |
| Highest Grade | C 2 |
| 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 Schneider across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Ida Schneider (~0.92 confidence) and father Edward Schneider (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Ida Schneider
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
Edward Schneider
b. ~1878
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Schneider
Daughter · 1940 · age 28 · b. ~1912 · California
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — San-Diego-County, California
Open full size
1940 US Federal Census — San-Diego-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00451-00599)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph A. Hebert | 81 | Head | — | Massachusetts |
| 2 | Sue M. Hebert | 77 | Wife | — | Illinois |
| 3 | Flora Wittman | 71 | Head | — | Illinois |
| 4 | Charles Aldrich | 59 | Head | Auto Mobile Dealer | Connecticut |
| 5 | Ruth Aldrich | 46 | Wife | Teacher | Illinois |
| 6 | Martin Aldrich | 18 | Son | — | California |
| 7 | Herbert Duthie | 59 | Head | Officer | England |
| 8 | Emma M. Duthie | 59 | Wife | — | California |
| 9 | John H. Duthie | 28 | Son | Engineer | Oregon |
| 10 | Wallace F. Duthie | 16 | Son | — | Massachusetts |
| 11 | Preston Coit | 56 | Head | Salesman | Ohio |
| 12 | Edgar A. West | 59 | Head | Poultry Business | Mississippi |
| 13 | Ruby L. West | 58 | Wife | — | Mississippi |
| 14 | Edward H. Schneider | 62 | Head | Contractor Painter | New York |
| 15 | Ida H. Schneider | 65 | Wife | — | Iowa |
| 16 | Mary A. Schneider THIS PERSON | 28 | Daughter | Stenographer | California |
| 17 | Charles Roton | 40 | Head | Insurance | Kansas |
| 18 | Ann Roton | 32 | Wife | — | Canada |
| 19 | Anne A. Walwick | 61 | Head | — | Minnesota |
| 20 | Adelaide D. Bernard | 72 | Head | — | Wisconsin |
| 21 | Irene Scott | 25 | Lodger | Servant | Missouri |
| 22 | Robert J. Lamme | 63 | Head | Dentist | Illinois |
| 23 | Mabel Lamme | 60 | Wife | — | Indiana |
| 24 | Maria Benedick | 81 | Mother-in-law | — | Indiana |
| 25 | Riley Chambers | 54 | Head | General Foreman | Kansas |
| 26 | Carrie B. Chambers | 47 | Wife | — | California |
| 27 | Katherine Chambers | 14 | Daughter | — | California |
| 28 | John O'Day | 65 | Brother-in-law | — | California |
| 29 | Marjorie H. Kobler | 45 | Head | Librarian | New York |
| 30 | Mary L. Kobler | 72 | Mother | — | New York |
| 31 | Trique C. Johnson | 61 | Head | — | Norway |
| 32 | Lillian S. Johnson | 51 | Wife | — | Illinois |
| 33 | Charles Coles | 49 | Head | Salesman | New Jersey |
| 34 | Lars Whichel | 76 | Head | — | Wisconsin |
| 35 | Elizabeth Whichel | 73 | Wife | — | Wisconsin |
| 36 | Inez W. Whichel | 41 | Daughter | Teacher | Wisconsin |
| 37 | Irvin L. Blucher | 44 | Head | Merchant | Kansas |
| 38 | Eleanor A. Blucher | 48 | Wife | — | Kansas |
| 39 | Donald H. Blucher | 26 | Son | Policeman | Kansas |
| 40 | Mary C. Blucher | 12 | Daughter | — | California |
Related Census Records
Pedigree Summary
Mary
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)