AS
Allen Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Allen Smith across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed), with identified parents Fred & Bert — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Smith |
| Given Name | Allen M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Draftsman |
| Industry | Home Builder |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1000 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Draftsman |
| Township / Ward | Los Angeles |
| Est. Birth Year | ~1919 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Allen | Age | Birth yr |
|---|---|---|---|---|
| Lillian Reilly | Daughter | — | 23 | ~1917 |
| Fred Smith | Head | — | 51 | ~1889 |
| Marilyn Reilly | Other | — | 1 | ~1939 |
| Sharon Reilly | Other | — | 2 | ~1938 |
| Allen Smith | Son | — | 21 | ~1919 |
| Sarah Smith | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Los Angeles, …
Son, age 1
Los Angeles, California · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Allan |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Indiana |
| Mother's Birthplace | California |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Los Angeles, …
Son, age 11
Los Angeles, California · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Allen |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Indiana |
| Mother's Birthplace | California |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Son, age 21
Los-Angeles-County, California · implied b. ~1919 — 6 household members
| Surname | Smith |
| Given Name | Allen M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Occupation | Draftsman |
| Industry | Home Builder |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1000 |
| Highest Grade | H 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 Allen Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Smith (~0.92 confidence) and father Bert Smith (~0.92 confidence) and mother Lura Smith (~0.92 confidence) and mother Sarah Smith (~0.92 confidence) and father Verl Smith (~0.60 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.86
Father
Fred Smith
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Bert Smith
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Lura Smith
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Sarah Smith
b. ~1893
Source mother
● Household
· direct · ~0.92
Father
Verl Smith
b. ~1913
Source father
● Household
· direct · ~0.6
This person
Anchor record
Allen Smith
Son · 1940 · age 21 · b. ~1919 · California
★ You are viewing this record
Sibling
Lillian Reilly
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-00383-00032)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sam Cook | 37 | Head | Salesman | California |
| 2 | Dorothy Cook | 30 | Wife | Manager | California |
| 3 | Sam Cook | 6 | Son | — | California |
| 4 | Fred P. Compagnon | 58 | Head | Manager | Illinois |
| 5 | Violet Compagnon | 48 | Wife | — | California |
| 6 | Fred Compagnon | 17 | Son | Apprentice | California |
| 7 | Chas Romero | 56 | Head | Blacksmith | California |
| 8 | Alberta Romero | 40 | Wife | Nursing | Montana |
| 9 | Delight Romero | 12 | Daughter | — | California |
| 10 | Robert Romero | 10 | Son | — | California |
| 11 | Richard Romero | 6 | Son | — | California |
| 12 | Marcella Romero | 3 | Daughter | — | California |
| 13 | Gladys S. Brady | 45 | Head | Saleswoman | Nebraska |
| 14 | James Brady | 9 | Son | — | New Mexico |
| 15 | Richard Brady | 8 | Son | — | Colorado |
| 16 | Lillian E. Burgess | 35 | Lodger | Receptionist | New York |
| 17 | Lillian J. Tibbott | 32 | Lodger | Bookkeeper | Texas |
| 18 | Edward Adams | 65 | Head | — | Ohio |
| 19 | Emma Adams | 63 | Wife | — | Ohio |
| 20 | Paul Adams | 31 | Son | Part Owner | Ohio |
| 21 | Merton P. Neff | 63 | Head | Salesman | Kansas |
| 22 | Nellie Neff | 61 | Wife | — | Kansas |
| 23 | George Foster | 32 | Son-in-law | Salesman | Michigan |
| 24 | Vivian Foster | 35 | Daughter | Auditor | Kansas |
| 25 | Barbara L. Foster | 12 | Granddaughter | — | California |
| 26 | Fred O. Smith | 51 | Head | Assistant | Indiana |
| 27 | Sarah L. Smith | 47 | Wife | — | California |
| 28 | Allen M. Smith THIS PERSON | 21 | Son | Draftsman | California |
| 29 | Lillian Reilly | 23 | Daughter | Secretary | California |
| 30 | Sharon Reilly | 2 | Granddaughter | — | California |
| 31 | Marilyn Reilly | 1 | Granddaughter | — | California |
| 32 | Chris Koch | 91 | Head | — | Germany |
| 33 | Emma Koch | 82 | Wife | — | Ohio |
| 34 | Clara M. Woodcock | 60 | Daughter | — | Ohio |
| 35 | Alfred Rostekian | 30 | Head | Architect | Missouri |
| 36 | Ruth Rostekian | 64 | Wife | — | Massachusetts |
| 37 | Margaret M. Fate | 43 | Head | Medical Doctor | Nebraska |
| 38 | Arlene A. Fate | 11 | Daughter | — | California |
| 39 | William A. Fate | 1 | Son | — | California |
| 40 | Emma C. Watson | 82 | Mother | — | Sweden |
Pedigree Summary
Allen + 1 sibling
Gen 1 · 5 parents
~0.86
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)