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William Wagner — 1940 US Census Record
Model Tree available1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this William Wagner across the 1910, 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed), with identified parents Andrew & Flora — first a head (b.~1900), then head of a 3-person household.
Age 40
b. ~1900
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Wagner |
| Given Name | William F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Sanitarium |
| 1935 Residence (County) | Tom Green |
| Additional Details | |
| Occupation | medical doctor |
| Industry | county tuberculosis hospital |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1580 |
| Highest Grade | C 5 |
| 1935 Residence | Texas |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Medical Doctor |
| Township / Ward | San Fernando |
| Est. Birth Year | ~1900 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Wagner | Head | — | 40 | ~1900 |
| Billy Wagner | Son | — | 6 | ~1934 |
| Margaret Wagner | Spouse | — | 31 | ~1909 |
Census Appearances
1910
Los Angeles, …
Son, age 10
Los Angeles, California · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wagner |
| Given Name | William F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Los Angeles, …
Son, age 20
Los Angeles, California · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wagner |
| Given Name | William F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Los Angeles, …
Head, age 30
Los Angeles, California · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wagner |
| Given Name | William F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 25 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Physician |
| Industry | Medical |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 17000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Los-Angeles-County, California
Head, age 40
Los-Angeles-County, California · implied b. ~1900 — 3 household members
| Surname | Wagner |
| Given Name | William F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Sanitarium |
| 1935 Residence (County) | Tom Green |
| Occupation | medical doctor |
| Industry | county tuberculosis hospital |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1580 |
| Highest Grade | C 5 |
| 1935 Residence | Texas |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 William Wagner across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Andrew Wagner (~0.92 confidence) and mother Flora Wagner (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Wagner
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Flora Wagner
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Wagner
Head · 1940 · age 40 · b. ~1900 · 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 — 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-t0627-00251-00133)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Genevieve Robinson | 54 | Lodger | Elementary Teacher | Wisconsin |
| 2 | Mary J. Deatz | 72 | Head | — | Illinois |
| 3 | Grace G. Busbey | 68 | Sister | — | Illinois |
| 4 | William F. Wagner THIS PERSON | 40 | Head | Medical Doctor | Pennsylvania |
| 5 | Margaret B. Wagner | 31 | Wife | — | Nova Scotia |
| 6 | Billy F. Wagner | 6 | Son | — | Texas |
| 7 | Lea C. Schallen | 36 | Head | Rotary Helper | Missouri |
| 8 | Helen M. Schallen | 30 | Wife | — | Iowa |
| 9 | James O. Dearing | 48 | Head | — | Missouri |
| 10 | Lydia D. Dearing | 47 | Wife | Elementary Teacher | Missouri |
| 11 | Edward E. Ludlow | 42 | Head | Medical Doctor | Ohio |
| 12 | Millicent Ludlow | 40 | Wife | — | Ohio |
| 13 | Joan Ludlow | 12 | Daughter | — | Arizona |
| 15 | Andrew Jacobs | 67 | Head | Outside Foreman | Utah |
| 16 | Elizabeth H. Jacobs | 61 | Wife | — | England |
| 17 | Andrew F. Jacobs | 30 | Son | Truck Mechanic | Utah |
| 18 | John C. Jacobs | 22 | Son | Fruit Box Packer | Utah |
| 19 | Knut Nohre | 31 | Head | Route Foreman | Norway |
| 20 | Zilpha Nohre | 33 | Wife | — | Utah |
| 21 | Maren Nohre | 4 | Daughter | — | California |
| 22 | Fred J. Candelot | 58 | Head | Lumber Salesman | California |
| 23 | Carrie D. Candelot | 55 | Wife | — | Nebraska |
| 24 | Irene J. Candelot | 31 | Daughter | Secretary-Clerk | California |
| 25 | James H. Simons | 26 | Head | Deputy Forest Fire Warden | Ohio |
| 26 | Berniece Simons | 21 | Wife | — | Kansas |
| 27 | Wesley E. Simons | 1 | Son | — | California |
| 28 | Gertrude P. Mccumber | 76 | Head | Owner Operator | Canada |
| 29 | Evelyn Inkster | 56 | Daughter | — | California |
| 30 | Eloie Manahan | 54 | Head | — | Wisconsin |
| 31 | Michael Manahan | 35 | Son | Route Salesman | California |
| 32 | Warren Manahan | 20 | Son | Helper-Route Salesman | California |
| 33 | William N. Manahan | 17 | Son | — | California |
| 34 | Arthur H. Bell | 46 | Head | Clerk Cashier | Missouri |
| 35 | Anna J. Bell | 73 | Mother | — | Illinois |
| 36 | Frank Katrein | 25 | Head | Landscaper | Wisconsin |
| 37 | Edna Katrein | 28 | Wife | — | Wisconsin |
| 38 | Jaime Katrein | 8 | Son | — | Wisconsin |
| 39 | Patricia Katrein | 7 | Daughter | — | Wisconsin |
| 40 | William M. Grossman | 53 | Head | Salesman Clerk | Minnesota |
Pedigree Summary
William
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)