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George Hartman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this George Hartman across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Hartman |
| Given Name | George |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles city |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Highest Grade | G 7 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1925 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to George | Age | Birth yr |
|---|---|---|---|---|
| Daisy Hartman | Daughter | — | 5 | ~1935 |
| Ethel Hartman | Head | — | 43 | ~1897 |
| Dorothy Hartman | Daughter | — | 14 | ~1926 |
| Mary Hartman | Daughter | — | 8 | ~1932 |
| Harry Hartman | Son | — | 19 | ~1921 |
| Frederick Hartman | Son | — | 21 | ~1919 |
| George Hartman | Son | — | 15 | ~1925 |
| Frank Hartman | Son | — | 18 | ~1922 |
Census Appearances
1930
Los Angeles, …
Son, age 4
Los Angeles, California · implied b. ~1926 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartman |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Indiana |
| Mother's Birthplace | North Dakota |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Son, age 15
Los-Angeles-County, California · implied b. ~1925 — 8 household members
| Surname | Hartman |
| Given Name | George |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles city |
| 1935 Residence (County) | Los Angeles |
| Highest Grade | G 7 |
| 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 George Hartman across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
George Hartman
Son · 1940 · age 15 · b. ~1925 · California
★ You are viewing this record
Sibling
Dorothy Hartman
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Hartman
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Hartman
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Hartman
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederick Hartman
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daisy Hartman
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 — 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-t0627-00388-00648)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Victor A Porter | 39 | Head | Executor | Maine |
| 2 | Caroline Porter | 34 | Wife | — | Maine |
| 3 | Patricia Porter | 12 | daughter | — | California |
| 4 | William Lipschitz | 33 | Head | Garage Attendant | New York |
| 5 | Rae Lipschitz | 27 | Wife | — | California |
| 6 | Carolynne Jean Lipschitz | 3 | daughter | — | California |
| 7 | William J Schaefer | 52 | Head | Cabinet Maker | Ohio |
| 8 | Sarah C Schaefer | 63 | Wife | — | Ohio |
| 9 | Mary C Lenhard | 73 | Head | Nurse | Illinois |
| 10 | Fred Schultz | 68 | Head | Salesman | Germany |
| 11 | Ida L Schultz | 66 | Wife | General Housework | St Louis |
| 12 | Ethel M Hartman | 43 | Head | — | Kansas |
| 13 | Frederick Hartman | 21 | son | Cement Mixer | California |
| 14 | Harry Hartman | 19 | son | Plasterers Helper | California |
| 15 | Frank Hartman | 18 | son | New Worker | California |
| 16 | George Hartman THIS PERSON | 15 | son | — | California |
| 17 | Dorothy Hartman | 14 | daughter | — | California |
| 18 | Mary Alice Hartman | 8 | daughter | — | California |
| 19 | Daisy Doris Hartman | 5 | daughter | — | California |
| 20 | Herman Phipps | 27 | Head | Core Maker | Iowa |
| 21 | Audrey Phipps | 25 | wife | — | Iowa |
| 22 | George Wolfrank | 26 | Head | Molder And Core Maker | Illinois |
| 23 | Christine Wolfrank | 22 | wife | — | Tennessee |
| 24 | Isabella Bennett | 78 | Head | — | Scotland |
| 25 | Mabel A Higgins | 58 | Head | — | Massachusetts |
| 26 | Jay Allen | 44 | Head | Welder | Missouri |
| 27 | Beulah Allen | 41 | wife | — | Missouri |
| 28 | Johnny Gordon Allen | 20 | son | Auto Mechanic | Arizona |
| 29 | Frank L Dautrich | 37 | Head | Painter | Oklahoma |
| 30 | Florence Dautrich | 33 | wife | — | Canada |
| 31 | Keith Dautrich | 7 | son | — | California |
| 32 | William Lawhon | 46 | Head | Wine Chief | Alabama |
| 33 | Inez Lawhon | 38 | wife | — | Michigan |
| 34 | William Lawhon | 19 | son | Riveter | California |
| 35 | Dave Lawhon | 16 | son | — | California |
| 36 | Eugene Lawhon | 7 | son | — | California |
| 37 | Robert R Waddell | 35 | Head | Lithographer | New York City |
| 38 | Mary E Waddell | 34 | wife | Assistant | Indiana |
| 39 | Richard Waddell | 8 | son | — | California |
| 40 | Alan Waddell | 5 | son | — | California |
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)