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Mary Miller — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Bernardino-County, California
Our Model Tree links this Mary Miller across the 1920, 1930 and 1940 US Censuses in San-Bernardino-County, California (XGBoost, ~Confirmed), with identified parents James & James — first a daughter (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Female
Daughter
Born: Nevada
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Bernardino-County, California |
| Surname | Miller |
| Given Name | Mary B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Widowed |
| Birthplace | Nevada |
| 1935 Residence (City) | San Bernardino |
| 1935 Residence (County) | San Bernardino |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | California |
| Birth State | Nevada |
| Birth Country | United States |
| Birthplace (normalized) | nevada |
| Township / Ward | San Bernardino Judicial Township |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| Mary Miller | Daughter | — | 23 | ~1917 |
| James Miller | Head | — | 51 | ~1889 |
| Earl Chamberlain | Other | — | 19 | ~1921 |
| James Miller | Son | — | 19 | ~1921 |
| Gilbert Miller | Son | — | 5 | ~1935 |
| Clara Miller | Spouse | — | 36 | ~1904 |
Census Appearances
1920
Navajo, Arizona
Daughter, age 3
Navajo, Arizona · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Mary Bell |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Nevada |
| Father's Birthplace | New Mexico |
| Mother's Birthplace | California |
| Occupation | none |
| Birth State | Nevada |
| Birth Country | United States |
| Birthplace (normalized) | nevada |
1930
San Bernardino, …
Daughter, age 13
San Bernardino, California · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Mary B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Nevada |
| Father's Birthplace | New Mexico |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | Nevada |
| Birth Country | United States |
| Birthplace (normalized) | nevada |
1940
San-Bernardino-County, California
Daughter, age 23
San-Bernardino-County, California · implied b. ~1917 — 6 household members
| Surname | Miller |
| Given Name | Mary B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Widowed |
| Birthplace | Nevada |
| 1935 Residence (City) | San Bernardino |
| 1935 Residence (County) | San Bernardino |
| Highest Grade | Hs 4 |
| 1935 Residence | California |
| Birth State | Nevada |
| Birth Country | United States |
| Birthplace (normalized) | nevada |
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 Miller across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father James Miller (~0.92 confidence) and father James Miller (~0.92 confidence) and mother Clara Miller (~0.92 confidence) and mother Clara Miller (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Miller
b. ~1890
Source father
● Household
· direct · ~0.92
Father
James Miller
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Clara Miller
b. ~1904
Source mother
● Household
· direct · ~0.92
Mother
Clara Miller
b. ~1903
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Miller
Daughter · 1940 · age 23 · b. ~1917 · California
★ You are viewing this record
Sibling
James Miller
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gilbert Miller
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 — San-Bernardino-County, California
Open full size
1940 US Federal Census — San-Bernardino-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00294-00038)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John C. Forbes | 11 | Son | — | North Dakota |
| 2 | Robert L. Forbes | 10 | Son | — | California |
| 3 | John S. Lewis | 42 | Head | Service Man | New Jersey |
| 4 | Elizabeth Lewis | 41 | Wife | — | Kentucky |
| 5 | Betty A. Lewis | 10 | Daughter | — | California |
| 6 | William C. Lewis | 8 | Son | — | California |
| 7 | Frances M. Lewis | 1 | Daughter | — | California |
| 8 | Anna K. Lewis | 71 | Mother | — | New Jersey |
| 9 | James A. Miller | 51 | Head | Electrician | New Mexico |
| 10 | Clara B. Miller | 36 | Wife | — | California |
| 11 | Mary B. Miller THIS PERSON | 23 | Daughter | — | Nevada |
| 12 | James A. Miller | 19 | Son | Truck Driver | Arizona |
| 13 | Gilbert D. Miller | 5 | Son | — | California |
| 14 | Earl Chamberlain | 19 | Son-in-law | — | California |
| 15 | Eugene B. Maise | 56 | Head | Section Foreman | Alabama |
| 16 | Ruby A. Maise | 31 | Wife | — | North Carolina |
| 17 | Martha E. Maise | 7 | Daughter | — | Arizona |
| 18 | Frank E. Maise | 4 | Son | — | Arizona |
| 19 | Shirley Ann Maise | 1 | Daughter | — | California |
| 20 | Manuel M. Hernandez | 36 | Head | Section Laborer | Mexico |
| 21 | Maria Hernandez | 40 | Wife | — | Mexico |
| 22 | Ernest R. Diffenbaugh | 54 | Head | Signal Maintainer | Ohio |
| 23 | Juan Zermeno | 42 | Head | Section Laborer | Mexico |
| 24 | Manuel Zermeno | 9 | Son | — | California |
| 25 | Margarito Zermeno | 6 | Son | — | California |
| 26 | Francisca Zermeno | 67 | Mother | — | Mexico |
| 27 | Gregorio C. Jiminez | 36 | Head | Section Laborer | Mexico |
| 28 | Josephina Jiminez | 25 | Wife | — | Mexico |
| 29 | Francisca L. Jiminez | 4 | Daughter | — | California |
| 30 | Vincente Jiminez | 2 | Son | — | California |
| 31 | Jose Jiminez | 1 | Son | — | California |
| 32 | Jose D. Ramirez | 36 | Head | Section Laborer | Mexico |
| 33 | Carmen V. Ramirez | 28 | Wife | — | Mexico |
| 34 | Hortensia Ramirez | 4 | Daughter | — | California |
| 35 | Salvador Lopez | 26 | Head | Section Laborer | Texas |
| 36 | Margaret G. Lopez | 25 | Wife | — | Texas |
| 37 | Marcelina Lopez | 4 | Daughter | — | Texas |
| 38 | Francisco Arveta | 37 | Head | Section Laborer | Arizona |
| 39 | Raquel Arveta | 41 | Wife | — | Mexico |
| 40 | Antonio R. Lopez | 30 | Head | Section Laborer | Texas |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 4 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)