JL
James Lawrence — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Diego-County, California
Our Model Tree links this James Lawrence across the 1910, 1920, 1930 and 1940 US Censuses in San-Diego-County, California (XGBoost, ~Confirmed), with identified parents Mary & Mary — first a head (b.~1907), then head of a 3-person household.
Age 33
b. ~1907
Male
Head
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Diego-County, California |
| Surname | Lawrence |
| Given Name | James |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Oceanside city |
| 1935 Residence (County) | San Diego |
| Additional Details | |
| Occupation | Fisherman |
| Industry | Own business |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Fisherman |
| Township / Ward | Oceanside City |
| Est. Birth Year | ~1907 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Sally Lawrence | Daughter | — | 14 | ~1926 |
| James Lawrence | Head | — | 33 | ~1907 |
| Thelma Lawrence | Spouse | — | 31 | ~1909 |
Census Appearances
1910
San Diego, …
Son, age 2
San Diego, California · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lawrence |
| Given Name | James W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Kansas |
| Mother's Birthplace | California |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Diego, …
Son, age 11
San Diego, California · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lawrence |
| Given Name | James W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Kansas |
| Mother's Birthplace | California |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Diego, …
Son, age 22
San Diego, California · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Laurence |
| Given Name | James W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Kansas |
| Mother's Birthplace | California |
| Occupation | Laborer |
| Industry | Odd jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Diego-County, California
Head, age 33
San-Diego-County, California · implied b. ~1907 — 3 household members
| Surname | Lawrence |
| Given Name | James |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Oceanside city |
| 1935 Residence (County) | San Diego |
| Occupation | Fisherman |
| Industry | Own business |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | Hs 4 |
| 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 James Lawrence across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Laurence (~0.92 confidence) and mother Mary Lawrence (~0.92 confidence) and father David Lawrence (~0.92 confidence) and father David Lawrence (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Laurence
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Mary Lawrence
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
David Lawrence
b. ~1880
Source father
● Household
· direct · ~0.92
Father
David Lawrence
b. ~1881
Source father
● Household
· direct · ~0.92
This person
Anchor record
James Lawrence
Head · 1940 · age 33 · b. ~1907 · 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 — San-Diego-County, California
Open full size
1940 US Federal Census — San-Diego-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00298-00123)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sue Stewart | 3 | daughter | — | California |
| 2 | Peter Stewart | 12 | son | — | California |
| 3 | Hale Towne | 35 | head | Truck Driver | Vermont |
| 4 | Elizabeth Towne | 40 | wife | — | Scotland |
| 5 | Samuel Perry | 66 | head | — | Illinois |
| 6 | Bill Perry | 61 | wife | — | Scotland |
| 7 | Harry Perry | 29 | son | — | Montana |
| 8 | Gordon Morgetts | 38 | head | Recreation | California |
| 9 | Stella Morgetts | 30 | wife | Truck Driver | California |
| 10 | Anna Primatchenko | 81 | head | — | Maryland |
| 11 | Ellis C. Schindel | 83 | boarder | — | Maryland |
| 12 | Onnitt Tuttle | 79 | head | — | Illinois |
| 13 | James Lawrence THIS PERSON | 33 | head | Fisherman | California |
| 14 | Thelma Lawrence | 31 | wife | Chambermaid | Wyoming |
| 15 | Sally Lawrence | 14 | daughter | — | California |
| 16 | Ernest George | 64 | head | — | Wisconsin |
| 17 | Nellie George | 58 | wife | Music | Kansas |
| 18 | Jack Pitmon | 31 | head | Operator | Texas |
| 19 | Ada Pitmon | 22 | wife | — | Indiana |
| 20 | Pearl Pitmon | 1 | daughter | — | California |
| 21 | Glenn Pitmon | 0 | son | — | California |
| 22 | Marcus Pitmon | 59 | head | Farmer | Oregon |
| 23 | Hercules Pitmon | 55 | wife | — | Texas |
| 24 | Byron Dillingham | 54 | head | Painter | Texas |
| 25 | Dillingham | 49 | wife | — | Texas |
| 26 | Ray Dillingham | 10 | son | — | Oklahoma |
| 27 | James H. Woods | 40 | head | Trash Hauling | Texas |
| 28 | Lillian D. Woods | 30 | wife | Janitress | Oklahoma |
| 29 | Ernest Woods | 11 | son | — | Oklahoma |
| 30 | Opal Woods | 8 | daughter | — | Oklahoma |
| 31 | Ina Woods | 5 | daughter | — | Oklahoma |
| 32 | Jack Woods | 2 | son | — | California |
| 33 | Henry Staley | 31 | head | Carpenter Helper | Oklahoma |
| 34 | Tessa Staley | 34 | wife | — | Oklahoma |
| 35 | Earl Staley | 12 | son | — | Oklahoma |
| 36 | George Staley | 25 | head | Carpenter | Oklahoma |
| 37 | Lorene Staley | 23 | wife | Saleslady | Oklahoma |
| 38 | Caroline Staley | 1 | daughter | — | California |
| 39 | Charles Burk | 36 | head | Cook | Texas |
| 40 | Genelle Burk | 25 | wife | — | Oklahoma |
Related Census Records
Pedigree Summary
James
Gen 1 · 4 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)