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James Reilly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this James Reilly across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed), with identified parents Daniel & Mamie — first a son (b.~1914), then head of a 2-person household.
Age 26
b. ~1914
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Reilly |
| Given Name | James W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Houseboy |
| Industry | Shopping Center |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 104 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Houseboy |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1914 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Leona Boucher | Head | — | 49 | ~1891 |
| James Reilly | Son | — | 26 | ~1914 |
Census Appearances
1920
Los Angeles, …
Son, age 5
Los Angeles, California · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Riley |
| Given Name | James M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
Son, age 15
Los Angeles, California · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Riley |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Son, age 26
Los-Angeles-County, California · implied b. ~1914 — 2 household members
| Surname | Reilly |
| Given Name | James W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Occupation | Houseboy |
| Industry | Shopping Center |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 104 |
| 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 Reilly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Daniel Riley (~0.92 confidence) and mother Mamie Riley (~0.92 confidence) and mother Leona Boucher (~0.92 confidence) and father Lloyd Riley (~0.92 confidence) and mother Ana Riley (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Daniel Riley
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Mamie Riley
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Leona Boucher
b. ~1891
Source mother
● Household
· direct · ~0.92
Father
Lloyd Riley
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Ana Riley
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Reilly
Son · 1940 · age 26 · b. ~1914 · 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
37 people indexed on this census page (nara:1940:m-t0627-00403-00507)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Martin J. Wolf | 43 | Head | Motorman | New York |
| 2 | W. Martin Martinko | 54 | Head | — | New York |
| 3 | Bessie R. Adams | 62 | Head | — | West Virginia |
| 4 | James W. Mckelvey | 44 | Son | Certificate Producer | California |
| 5 | William H. Brown | 41 | Head | Buyer | New York |
| 6 | Louise Brown | 35 | Wife | — | Massachusetts |
| 7 | Francis J. Brown | 13 | Son | — | Oregon |
| 8 | Helen Boyd | 37 | Lodger | Waitress | Missouri |
| 11 | Jack R. Preston | 51 | Head | Journalist | Minnesota |
| 12 | Edward J. Moschel | 59 | Head | — | Illinois |
| 13 | Katherine Moschel | 27 | Daughter | Journalist | Illinois |
| 14 | Dallas D. Leary | 42 | Head | Tango Dealer | Kansas |
| 15 | Irene Leary | 38 | Wife | — | Texas |
| 16 | Alton Hendrickson | 19 | Step-son | Musician | Texas |
| 17 | Jack R. Johnson | 33 | Head | Chef | Illinois |
| 18 | Mabel Johnson | 30 | Wife | Milliner | New Mexico |
| 19 | Robert R. Slicker | 24 | Head | Conductor | Pennsylvania |
| 20 | Alice D. Slicker | 22 | Wife | — | Holland |
| 21 | Stanley R. Keres | 23 | Head | Soda Dispenser | Oklahoma |
| 22 | Martha Keres | 23 | Wife | Waitress | Oklahoma |
| 23 | Katherine L. Keres | 2 | Daughter | — | Oklahoma |
| 24 | Sylvia R. Sliker | 33 | Head | Bookkeeper | New York |
| 25 | Walter J. Ott | 53 | Head | Chef | Washington |
| 26 | Ethel Ott | 49 | Wife | Waitress | England |
| 27 | Leona M. Boucher | 49 | Head | — | Ohio |
| 28 | James W. Reilly THIS PERSON | 26 | Son | Houseboy | California |
| 29 | Mathelda Danielle | 60 | Head | Seamstress | Germany |
| 30 | Leon Leone | 25 | Head | Shipping Clerk | Rhode Island |
| 31 | Herman Goldberg | 63 | Uncle | Tailor | Turkey |
| 33 | Laura Saunders | 59 | Head | — | Washington |
| 34 | Lorenzo Villanueva | 45 | Lodger | Waiter | Mexico |
| 35 | Betty S. Villanueva | 35 | Lodger | Operator | France |
| 36 | Edward Mazarian | 35 | Head | Service Station Attendant | Turkey |
| 37 | Nersesie Mazarian | 74 | Mother | — | Turkey |
| 38 | Mamie May | 17 | Daughter | New Worker | New Jersey |
| 39 | Brownlow Sexton | 3 | Son | — | Tennessee |
| 40 | Goldie G. Erickson | 27 | Daughter | — | California |
Related Census Records
Pedigree Summary
James
Gen 1 · 5 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)