WT
William Tracy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this William Tracy across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a head (b.~1888), then head of a 4-person household.
Age 52
b. ~1888
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Tracy |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Printer |
| Industry | Advertising Co. |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 1680 |
| Highest Grade | No 7 |
| 1935 Residence | California |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Printer |
| Township / Ward | El Monte Township |
| Est. Birth Year | ~1888 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Lloyd Tracy | Son | — | 13 | ~1927 |
| Jack Tracy | Son | — | 16 | ~1924 |
| Ethel Tracy | Spouse | — | 48 | ~1892 |
| William Tracy | Head | — | 52 | ~1888 |
Census Appearances
1920
Los Angeles, …
Head, age 32
Los Angeles, California · implied b. ~1888 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tracy |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | printer |
| Industry | job office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Los Angeles, …
Head, age 43
Los Angeles, California · implied b. ~1887 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tracy |
| Given Name | William J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 21 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Printer |
| Industry | Shop Print |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Los-Angeles-County, California
Head, age 52
Los-Angeles-County, California · implied b. ~1888 — 4 household members
| Surname | Tracy |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Occupation | Printer |
| Industry | Advertising Co. |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 1680 |
| Highest Grade | No 7 |
| 1935 Residence | California |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Tracy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Tracy
Head · 1940 · age 52 · b. ~1888 · California
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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
40 people indexed on this census page (nara:1940:m-t0627-00228-00455)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Douglas M. Greene | 2 | Son | — | California |
| 42 | William Bloomfield | 38 | Head | Stillman | England |
| 43 | Nora Bloomfield | 35 | Wife | — | England |
| 44 | Richard Bloomfield | 14 | Son | — | California |
| 45 | Florence Bloomfield | 12 | Daughter | — | California |
| 46 | William Bloomfield | 9 | Son | — | California |
| 47 | Elizabeth Bloomfield | 64 | Head | — | England |
| 48 | Willis Sheets | 37 | Head | Truck Driver | Kansas |
| 49 | Ruby Sheets | 32 | Wife | — | Virginia |
| 50 | Robert Sheets | 11 | Son | — | California |
| 51 | Ralph Lang | 59 | Head | — | Kansas |
| 52 | Maud Lang | 58 | Wife | — | Pennsylvania |
| 53 | Betty Belcher | 14 | Daughter | — | California |
| 54 | Billy Lang | 14 | Grandson | — | California |
| 55 | William J. Tracy THIS PERSON | 52 | Head | Printer | Iowa |
| 56 | Ethel Tracy | 48 | Wife | — | Iowa |
| 57 | Jack Tracy | 16 | Son | — | California |
| 58 | Lloyd Tracy | 13 | Son | — | California |
| 59 | Robert Bonham | 29 | Head | Pipe Fitter | California |
| 60 | Alberta Bonham | 25 | Wife | — | California |
| 61 | Roberta Bonham | 1 | Daughter | — | California |
| 62 | Glenn B. Lang | 27 | Head | Painter | California |
| 63 | Bertrand Lang | 24 | Wife | — | California |
| 64 | Glenda Lang | 2 | Daughter | — | California |
| 65 | Daniel Lang | 1 | Son | — | California |
| 66 | Camillia Tindall | 32 | Head | — | S. Dakota |
| 67 | Louise Newell | 60 | Head | — | Germany |
| 68 | Percy J. Newell | 22 | Son | Mixer | S. Dakota |
| 69 | Arthur K. Arenburg | 56 | Head | Master Plumber | Massachusetts |
| 70 | Marion Arenburg | 42 | Wife | — | Scotland |
| 71 | Roy Blew | 45 | Head | Carpenter | Pennsylvania |
| 72 | Alice Blew | 39 | Wife | — | Pennsylvania |
| 73 | Norman Blew | 17 | Son | — | Pennsylvania |
| 74 | Murrell Blew | 15 | Son | — | Pennsylvania |
| 75 | Barton Harmon | 52 | Head | Painter | Illinois |
| 76 | Anna Harmon | 57 | Wife | — | Illinois |
| 77 | Lee Harmon | 19 | Son | Truck Driver | Kansas |
| 78 | Vincent Shannon | 37 | Head | Carpenter Helper | Nebraska |
| 79 | Louella Shannon | 37 | Wife | Nurse | Minnesota |
| 80 | Ralph Amos | 37 | Head | Social Director | Texas |
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)