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Robert Ward — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Robert Ward across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents Chester & Charles — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Ward |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Occupation | Truck Driver |
| Class of Worker | PW |
| Hours Worked | 36 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Truck Driver |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1919 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Marjorie Ward | Daughter | — | 18 | ~1922 |
| Chester Ward | Head | — | 57 | ~1883 |
| Chester Ward | Son | — | 13 | ~1927 |
| Robert Ward | Son | — | 21 | ~1919 |
Census Appearances
1920
San Francisco, …
Son, age 1
San Francisco, California · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ward |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Son, age 11
San Francisco, California · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | WARD |
| Given Name | ROBERT G. |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | CALIFORNIA |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Son, age 21
San-Francisco-County, California · implied b. ~1919 — 4 household members
| Surname | Ward |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | Truck Driver |
| Class of Worker | PW |
| Hours Worked | 36 |
| 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 Robert Ward across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Chester Ward (~0.92 confidence) and father Charles Ward (~0.92 confidence) and mother Mattie Ward (~0.92 confidence) and mother Hattie Ward (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Chester Ward
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Charles Ward
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Mattie Ward
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Hattie Ward
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Ward
Son · 1940 · age 21 · b. ~1919 · California
★ You are viewing this record
Sibling
Chester Ward
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Ward
Sibling · 1940 · age 18
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-Francisco-County, California
Open full size
1940 US Federal Census — San-Francisco-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00310-00076)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward L. Porter | 26 | Wife | Book-Keeper | California |
| 2 | Charles W. Porter | 2 | Son | — | California |
| 3 | Eugene S. Fischer | 29 | Head | Office Manager | Utah |
| 4 | Rita S. Fischer | 25 | Wife | — | California |
| 5 | Ronald E. Fischer | 2 | Son | — | California |
| 6 | Eileen M. Fischer | 0 | Daughter | — | California |
| 7 | George J. Jr. Nelson | 27 | Head | Teamster | California |
| 8 | Frederick Nelson | 18 | Brother | — | California |
| 9 | Johanna X. Murphy | 63 | Head | — | California |
| 10 | Annie J. X. Desmond | 76 | Head | — | Irish Free State |
| 11 | Bernard Desmond | 39 | Son | Laborer | California |
| 12 | Daniel L. Desmond | 37 | Son | Clerk | California |
| 13 | Mary L. Desmond | 32 | Daughter | — | California |
| 14 | Robert S. Wolfeberg | 57 | Head | — | California |
| 15 | Marguerite M. Wolfeberg | 30 | Daughter | Social Worker | California |
| 16 | Roselyn A. Wolfeberg | 29 | Daughter | Saleslady | California |
| 17 | Mary E. Hoffman | 69 | Head | Homestaker | California |
| 18 | Chester S. Ward | 57 | Head | Upholstery | California |
| 19 | Robert E. Ward THIS PERSON | 21 | Son | Truck Driver | California |
| 20 | Marjorie J. Ward | 18 | Daughter | New Worker | California |
| 21 | Chester J. Ward | 13 | Son | — | California |
| 22 | Gustave S. Wagner | 65 | Head | Candy Salesman | Pennsylvania |
| 23 | Katherine X. Wagner | 63 | Wife | — | Pennsylvania |
| 24 | Margaret A. Wagner | 40 | Daughter | Secretary | Pennsylvania |
| 25 | Pearl A. Wagner | 39 | Daughter | Book-Keeper | Pennsylvania |
| 26 | Herbert L. Puter | 68 | Head | Electrical Contractor | Wisconsin |
| 27 | Grace M. Puter | 60 | Wife | — | Wisconsin |
| 28 | Henry J. Brown | 60 | Head | Painter | California |
| 29 | Henrietta M. Brown | 57 | Wife | — | California |
| 30 | Walter S. | 32 | Son | Shipping Clerk | California |
| 31 | Virgil P. Zaro | 29 | Head | Grocery Clerk | California |
| 32 | Vera L. Zaro | 27 | Wife | — | Canada Eng |
| 33 | Daniel P. Zaro | 3 | Son | — | California |
| 34 | Michael J. Morgan | 46 | Head | Janitor | Irish Free State |
| 35 | Mary A. X. Morgan | 43 | Wife | — | Irish Free State |
| 36 | Mary P. Morgan | 7 | Daughter | — | California |
| 37 | Michael J. Morgan | 6 | Son | — | California |
| 38 | Agnes L. Morgan | 4 | Daughter | — | California |
| 39 | Francis J. Morgan | 2 | Son | — | California |
| 40 | Honora Welch | 80 | Head | — | Massachusetts |
Pedigree Summary
Robert + 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)