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David Ross — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this David Ross across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 25-person household.
Age 19
b. ~1921
Male
Son
Born: Nevada
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Ross |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Nevada |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Clerk |
| Industry | Water & Power |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 910 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Nevada |
| Birth Country | United States |
| Birthplace (normalized) | nevada |
| Occupation | Clerk |
| Township / Ward | Los Angeles |
| Est. Birth Year | ~1921 |
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.
25 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Harry Ross | Son | — | 16 | ~1924 |
| Miles Grove | Other | — | 25 | ~1915 |
| Love Ross | Daughter | — | 8 | ~1932 |
| Sue Bates | Other | — | 22 | ~1918 |
| Helen Ross | Other | — | 75 | ~1865 |
| Francis Keithe | Other | — | 23 | ~1917 |
| David Ross | Son | — | 19 | ~1921 |
| Fred Bates | Other | — | 35 | ~1905 |
| Mary Cory | Other | — | 41 | ~1899 |
| Arline Burke | Other | — | 67 | ~1873 |
| Paul Ross | Son | — | 29 | ~1911 |
| John Baylan | Other | — | 28 | ~1912 |
| Stanley Martel | Other | — | 22 | ~1918 |
| Hope Ross | Daughter | — | 10 | ~1930 |
| Henry Ross | Other | — | 27 | ~1913 |
| Josephine Ross | Spouse | — | 51 | ~1889 |
| Sam Ross | Son | — | 14 | ~1926 |
| Thelma Ross | Other | — | 22 | ~1918 |
| Faith Ross | Daughter | — | 18 | ~1922 |
| Adrian Mayer | Other | — | 26 | ~1914 |
| Joseph Gordon | Other | — | 21 | ~1919 |
| James Delmont | Other | — | 27 | ~1913 |
| Thomas Ross | Son | — | 11 | ~1929 |
| Daniel Ross | Son | — | 5 | ~1935 |
| Paul Ross | Head | — | 55 | ~1885 |
Census Appearances
1930
Sacramento, California
Son, age 9
Sacramento, California · implied b. ~1921 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | David W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Nevada |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Nebraska |
| Birth State | Nevada |
| Birth Country | United States |
| Birthplace (normalized) | nevada |
1940
Los-Angeles-County, California
Son, age 19
Los-Angeles-County, California · implied b. ~1921 — 25 household members
| Surname | Ross |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Nevada |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Occupation | Clerk |
| Industry | Water & Power |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 910 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 David Ross across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
David Ross
Son · 1940 · age 19 · b. ~1921 · California
★ You are viewing this record
Sibling
Faith Ross
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Love Ross
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sam Ross
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Ross
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Ross
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Ross
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Ross
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hope Ross
Sibling · 1940 · age 10
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
39 people indexed on this census page (nara:1940:m-t0627-00399-00129)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Peter Klopper | 9 | Son | — | Germany |
| 42 | Thomas Klopper | 7 | Son | — | Germany |
| 43 | Eva Hepner | 14 | Nephew | — | Germany |
| 44 | Lilian Mcintyre | 54 | Head | Physician | Iowa |
| 45 | Thomas W. Bent | 62 | Head | Doctor | Pennsylvania |
| 46 | Harriet Bent | 65 | Wife | — | California |
| 47 | Jean Bent | 33 | Daughter | Sales Girl | Montana |
| 48 | Emma A. Hoyt | 55 | Lodger | — | Alabama |
| 49 | Margaret E. Hoyt | 27 | Lodger | Secretary | Dakota |
| 50 | Ella Corrigan | 55 | Head | — | Illinois |
| 51 | Della O'Neal | 77 | Mother | — | Illinois |
| 52 | John W. Paul | 70 | Head | — | Massachusetts |
| 53 | Mary R. Paul | 63 | Sister | — | Massachusetts |
| 54 | Mary H. Olsen | 56 | Head | — | Pennsylvania |
| 56 | Paul L. Ross | 55 | Head | Independent Salesman | Kansas |
| 57 | Josephine Ross | 51 | Wife | — | Nebraska |
| 58 | Paul Jr. Ross | 29 | Son | Clerk | Nevada |
| 59 | David Ross THIS PERSON | 19 | Son | Clerk | Nevada |
| 60 | Faith E. Ross | 18 | Daughter | — | Nevada |
| 61 | Harry P. Ross | 16 | Son | — | California |
| 62 | Sam C. Ross | 14 | Son | — | California |
| 63 | Thomas Ross | 11 | Son | — | California |
| 64 | Hope R. Ross | 10 | Daughter | — | California |
| 65 | Love E. Ross | 8 | Daughter | — | California |
| 66 | Daniel Ross | 5 | Son | — | California |
| 67 | Helen E. Ross | 75 | Mother-in-law | — | Indiana |
| 68 | Thelma Ross | 22 | Lodger | Waitress | Missouri |
| 69 | Henry W. Ross | 27 | Lodger | Doorman | Illinois |
| 70 | Miles R. Grove | 25 | Lodger | Writer | Michigan |
| 71 | Francis Keithe | 23 | Lodger | Writer | Iowa |
| 72 | James Delmont | 27 | Lodger | — | Minnesota |
| 73 | Arline Burke | 67 | Lodger | Retired | Ohio |
| 74 | John Baylan | 28 | Lodger | Draftsman | Minnesota |
| 75 | Adrian Mayer | 26 | Lodger | Artist | Ohio |
| 76 | Joseph Gordon | 21 | Lodger | Actor | Iowa |
| 77 | Mary Ann Cory | 41 | Lodger | Artist | Ohio |
| 78 | Stanley Martel | 22 | Lodger | Accountant | California |
| 79 | Fred Bates | 35 | Lodger | Bar Tender | Florida |
| 80 | Sue Bates | 22 | Lodger | — | California |
Related Census Records
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)