LJ
Leroy Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Diego-County, California
Our Model Tree links this Leroy Jones across the 1920, 1930 and 1940 US Censuses in San-Diego-County, California (XGBoost, ~Confirmed), with identified parents Newell & Mabel — first a head (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Male
Head
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Diego-County, California |
| Surname | Jones |
| Given Name | Leroy N. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Diego City |
| 1935 Residence (County) | San Diego |
| Additional Details | |
| Occupation | examiner |
| Industry | Title Insurance Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1700 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Examiner |
| Township / Ward | San Diego 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 Leroy | Age | Birth yr |
|---|---|---|---|---|
| Leroy Jones | Head | — | 31 | ~1909 |
| Dorothy Jones | Spouse | — | 25 | ~1915 |
| Margaret Jones | Daughter | — | 3 | ~1937 |
Census Appearances
1920
San Diego, …
Son, age 10
San Diego, California · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Leroy N. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| 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 21
San Diego, California · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Leroy N. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | Clerk |
| Industry | Title Co. |
| 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 31
San-Diego-County, California · implied b. ~1909 — 3 household members
| Surname | Jones |
| Given Name | Leroy N. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Diego City |
| 1935 Residence (County) | San Diego |
| Occupation | examiner |
| Industry | Title Insurance Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1700 |
| 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 Leroy Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Newell Jones (~0.92 confidence) and mother Mabel Jones (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Newell Jones
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Mabel Jones
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leroy Jones
Head · 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 — San-Diego-County, California
Open full size
1940 US Federal Census — San-Diego-County, California
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00452-00987)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Josephine M. Beul | 57 | wife | — | France |
| 42 | Paul E. Jr. Beul | 15 | son | — | California |
| 43 | John Oral K. Chandler | 23 | Head | Salesman | Louisiana |
| 44 | Josephine E. Chandler | 31 | wife | Bookkeeper | California |
| 45 | Glen Edward Brand | 8 | son | — | California |
| 46 | Joseph Jr. Smith | 63 | Head | Salesman | England |
| 47 | Elizabeth Q. Smith | 63 | mother in-law | — | England |
| 48 | Clifford Wilson Anderson | 32 | Head | Basement Manager | Arizona |
| 49 | Irene Clara Anderson | 34 | wife | — | Missouri |
| 50 | Diane Clara Anderson | 0 | daughter | — | California |
| 51 | John E. Hammer | 39 | Head | Inspector | California |
| 52 | Margaret E. Hammer | 6 | daughter | — | California |
| 53 | Charles E. Weight | 46 | Head | Superintendent Auto-Repair | Kansas |
| 54 | Frances Weight | 45 | wife | — | Ohio |
| 55 | Edward Weight | 21 | son | Messenger | California |
| 56 | Leroy N. Jones THIS PERSON | 31 | Head | Examiner | California |
| 57 | Dorothy Jones | 25 | wife | — | Montana |
| 58 | Margaret Jones | 3 | daughter | — | California |
| 59 | Edward Suitorowski | 36 | Head | Fire Controlman | New York |
| 60 | Maryann Suitorowski | 34 | wife | — | New York |
| 61 | Margaret Suitorowski | 8 | daughter | — | New York |
| 62 | Edward G. Suitorowski | 1 | son | — | New York |
| 64 | Ted Huff | 44 | Head | Sculptor Taxidermist | Missouri |
| 65 | George W. Huff | 77 | father | — | Missouri |
| 66 | Erma Alexander | 40 | sister | Operator | Colorado |
| 67 | Alma Manning | 35 | Roomer | Housekeeper | Texas |
| 68 | Alva A. Mundell | 52 | Head | Barber | New York |
| 69 | Helen Mundell | 53 | wife | — | Pennsylvania |
| 70 | Kenneth Miller | 19 | step-son | Laborer | Illinois |
| 71 | Trudie Bell | 45 | Head | Proprietor | Michigan |
| 72 | Nelson Jr. Bell | 18 | son | Laborer | California |
| 73 | Edward H. Ellis | 40 | Head | Proprietor | Illinois |
| 74 | Ruba R. Ellis | 35 | wife | — | New Jersey |
| 75 | Francis A. Pagliuso | 35 | Head | Machinist | Canada |
| 76 | Margaret M. Pagliuso | 25 | wife | Teacher | Wisconsin |
| 77 | Harvey Hill | 27 | Head | Salesman | New Mexico |
| 78 | Ruth Hill | 26 | wife | Saleswoman | Pennsylvania |
| 79 | Elverna Hill | 9 | daughter | — | Michigan |
| 80 | Charles B. Harrigan | 61 | Head | Barber | Texas |
Pedigree Summary
Leroy
Gen 1 · 2 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)