LJ
Lillian Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Lillian Jackson across the 1910, 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed), with identified parents Earl & J — first a daughter (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Jackson |
| Given Name | Lillian F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1909 |
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 Lillian | Age | Birth yr |
|---|---|---|---|---|
| Lillian Jackson | Daughter | — | 31 | ~1909 |
| Jay Jackson | Head | — | 56 | ~1884 |
| Helena Jackson | Spouse | — | 52 | ~1888 |
Census Appearances
1910
Los Angeles, …
Daughter, age 1
Los Angeles, California · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Lillian F |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Michigan |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
Los Angeles, …
Daughter, age 11
Los Angeles, California · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Lillian F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Los Angeles, …
Daughter, age 21
Los Angeles, California · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Lillian F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Daughter, age 31
Los-Angeles-County, California · implied b. ~1909 — 3 household members
| Surname | Jackson |
| Given Name | Lillian F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| 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 Lillian Jackson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Earl Jackson (~0.92 confidence) and father J Jackson (~0.92 confidence) and father Jay Jackson (~0.92 confidence) and father John Jackson (~0.92 confidence) and mother Helena Jackson (~0.92 confidence) and mother Malissa Jackson (~0.92 confidence) and mother Salina Jackson (~0.92 confidence). The pedigree spans 1 generation with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Earl Jackson
b. ~1883
Source father
● Household
· direct · ~0.92
Father
J Jackson
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Jay Jackson
b. ~1884
Source father
● Household
· direct · ~0.92
Father
John Jackson
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Helena Jackson
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Malissa Jackson
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Salina Jackson
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lillian Jackson
Daughter · 1940 · age 31 · b. ~1909 · 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
40 people indexed on this census page (nara:1940:m-t0627-00403-00647)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clarice Titus | 65 | Head | Office Clerk | Pennsylvania |
| 2 | Jay Earl Jackson | 56 | Head | Painter | Iowa |
| 3 | Helena Jackson | 52 | Wife | — | Michigan |
| 4 | Lillian F. Jackson THIS PERSON | 31 | Daughter | — | California |
| 5 | Gertrude Stalley | 61 | Head | — | Arkansas |
| 6 | George H. Mclean | 36 | Head | Department Adjudicator | California |
| 7 | Hannah Mclean | 35 | Wife | — | California |
| 8 | George M. Mclean | 19 | Son | Mechanic | California |
| 9 | Peter Lombardo | 58 | Head | Laborer | Italy |
| 10 | Rosa Lombardo | 43 | Wife | — | Utah |
| 11 | Peter Jr. Lombardo | 1 | Son | — | California |
| 12 | Christina Johnson | 51 | Head | Ironer Man | England |
| 13 | Russell Smith | 24 | Head | Circulation Manager | Pennsylvania |
| 14 | Lucy E. Smith | 22 | Wife | — | California |
| 15 | Thomas Mich | 62 | Head | — | Illinois |
| 16 | Alice Mich | 55 | Wife | — | Kansas |
| 17 | John Van Every | 65 | Head | — | Missouri |
| 18 | Frances Van Every | 62 | Wife | — | Illinois |
| 19 | Clara Draver | 49 | Head | — | Arizona |
| 20 | Maud Dickerman | 30 | Daughter | — | California |
| 21 | Percy Charles Wagner | 39 | Son-in-law | Clerk | California |
| 22 | William Wagner | 33 | Head | Salesman | Illinois |
| 23 | Theresa Wagner | 28 | Wife | — | Ohio |
| 24 | Victor Wagner | 1 | Son | — | California |
| 25 | George Rumenez | 40 | Head | Proprietor | Greece |
| 26 | Angelica Rumenez | 27 | Wife | — | Greece |
| 27 | James Rumenez | 5 | Son | — | Washington |
| 28 | Helen Rumenez | 1 | Daughter | — | California |
| 29 | Barbara Eliopoulos | 18 | Boarder | New Worker | Illinois |
| 30 | Rebekah Baumgardt | 43 | Head | Clerk | Illinois |
| 31 | Leroy Baumgardt | 12 | Son | — | Illinois |
| 32 | Robert Hopkins | 55 | Head | Caretaker | Pennsylvania |
| 33 | Verna Hopkins | 54 | Wife | Milliner | New York |
| 34 | Jack Mcdowell | 38 | Head | Chauffeur | South Dakota |
| 35 | Bernice Mcdowell | 39 | Wife | — | Kansas |
| 36 | Vera Alden | 54 | Head | Actress Extra | Illinois |
| 37 | Carl Alden | 26 | Son | Stenographer | Kansas |
| 38 | Woodrow Hedlund | 25 | Head | Butcher | Nebraska |
| 39 | Genevieve Hedlund | 24 | Wife | — | Nebraska |
| 40 | John Leach | 28 | Head | Painter | New York |
Pedigree Summary
Lillian
Gen 1 · 7 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)