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Jacob Brown — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Los Angeles, California
Our Model Tree links this Jacob Brown across the 1920, 1930 and 1940 US Censuses in Los Angeles, California (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 9-person household.
Age 45
b. ~1885
Male
Head
Born: Russia
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Los Angeles, California |
| Surname | Brown |
| Given Name | Jacob |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1904 |
| Age at First Marriage | 20 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Veteran | No |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Township / Ward | Lodi City |
| Est. Birth Year | ~1885 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Jacob | Age | Birth yr |
|---|---|---|---|---|
| Leroy Brown | Son | — | 1 | ~1929 |
| Ruth Brown | Daughter | — | 3 | ~1927 |
| Helen Brown | Daughter | — | 9 | ~1921 |
| Jacob Brown | Son | — | 17 | ~1913 |
| Jacob Brown | Head | — | 45 | ~1885 |
| Arthur Brown | Son | — | 5 | ~1925 |
| Sophia Brown | Daughter | — | 15 | ~1915 |
| Sarah Brown | Spouse | — | 44 | ~1886 |
| William Brown | Son | — | 7 | ~1923 |
Census Appearances
1920
Los Angeles, …
Head, age 35
Los Angeles, California · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Russia |
| Year of Immigration | 1905 |
| Naturalization Status | Alien |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Tailor |
| Industry | Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Russian |
| Home Owned/Rented | R |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1930
Los Angeles, …
Head, age 45
Los Angeles, California · implied b. ~1885 — 9 household members
| Surname | Brown |
| Given Name | Jacob |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1904 |
| Age at First Marriage | 20 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Veteran | No |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1940
Los-Angeles-County, California
Head, age 56
Los-Angeles-County, California · implied b. ~1884 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Jake |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Naturalization Status | Naturalized |
| Occupation | Barrel & Drum Salesman |
| Industry | Own account |
| Class of Worker | OA |
| Hours Worked | 0 |
| Income (1939) | 30 |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
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 Jacob Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Jacob Brown
Head · 1930 · age 45 · b. ~1885 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Los Angeles, California
Open full size
1930 US Federal Census — Los Angeles, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel210:0896)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Catherine Jones | 37 | Wife-H | — | South Dakota |
| 2 | David W Jones | 13 | Son | — | South Dakota |
| 3 | Arthur Jones | 11 | Son | — | South Dakota |
| 4 | Raymond Jones | 20 | Son | Laborer | California |
| 5 | Frank Jones | 18 | Son | Laborer | California |
| 6 | Florence Jones | 16 | Daughter | — | California |
| 7 | Dorothy Jones | 11 | Daughter | — | South Dakota |
| 8 | Vera Jones | 9 | Daughter | — | California |
| 9 | Alice Jones | 7 | Daughter | — | California |
| 10 | Lois Jones | 5 | Daughter | — | California |
| 11 | Bernice Jones | 2 | Daughter | — | California |
| 12 | George Olin | 55 | Head | — | Kansas |
| 13 | Emily Olin | 53 | Wife | — | North Dakota |
| 14 | Roland Olin | 19 | Son | — | California |
| 15 | Jacob F Philippi | 71 | Head | — | Russia |
| 16 | Katherine Philippi | 73 | Wife | — | Russia |
| 17 | Jacob Philippi | 43 | Son | — | South Dakota |
| 18 | Clarence Philippi | 24 | Son | — | California |
| 19 | L. L. Fay | 50 | Head | — | Iowa |
| 20 | Minnie Fay | 48 | Wife | — | Iowa |
| 21 | Lester Fay | 21 | Son | — | Iowa |
| 22 | Lois Fay | 18 | Daughter | — | Iowa |
| 23 | Benjamin F Wood | 57 | Head | — | Rhode Island |
| 24 | Annie Wood | 52 | Wife | — | England |
| 25 | Gordon Wood | 18 | Son | — | California |
| 26 | Thelma Wood | 16 | Daughter | — | California |
| 27 | John Lund | 72 | Head | — | Russia |
| 28 | Leona Lund | 68 | Wife | — | Russia |
| 29 | John Lund | 42 | Son | — | South Dakota |
| 30 | Lydia Lund | 38 | Daughter | — | South Dakota |
| 31 | Emma Lund | 36 | Daughter | — | South Dakota |
| 32 | Martha Lund | 34 | Daughter | — | South Dakota |
| 33 | Anna Lund | 32 | Daughter | — | South Dakota |
| 34 | Fred Wagner | 27 | Head | — | California |
| 35 | Thomas Knight | 41 | Head | Laborer | Pennsylvania |
| 36 | Julia Knight | 32 | Wife | — | Pennsylvania |
| 37 | Jacob Brown THIS PERSON | 45 | Head | — | Russia |
| 38 | Sarah Brown | 44 | Wife | — | Russia |
| 39 | Jacob Brown | 17 | Son | — | California |
| 40 | Sophia Brown | 15 | Daughter | — | California |
| 41 | Helen Brown | 9 | Daughter | — | California |
| 42 | William Brown | 7 | Son | — | California |
| 43 | Arthur Brown | 5 | Son | — | California |
| 44 | Ruth Brown | 3 | Daughter | — | California |
| 45 | Leroy Brown | 1 | Son | — | California |
| 46 | John Riley | 43 | Head | — | Wisconsin |
| 47 | Lawrence Riley | 22 | Son | — | New Jersey |
| 48 | Hazel Riley | 18 | Daughter | — | Wisconsin |
| 49 | Philip S Butler | 51 | Head | — | California |
| 50 | May I Butler | 49 | Wife | — | Vermont |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)