JC
John Crowley — 1940 US Census Record
Model Tree available1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this John Crowley across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed), with identified parents Sarah & Joseph — first a head (b.~1902), then head of a 4-person household.
Age 38
b. ~1902
Male
Head
Born: Connecticut
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Crowley |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Connecticut |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | salesman |
| Industry | Music Co. |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
| Occupation | Salesman |
| Township / Ward | Los Angeles |
| Est. Birth Year | ~1902 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Fay Crowley | Spouse | — | 34 | ~1906 |
| John Crowley | Son | — | 15 | ~1925 |
| Robert Crowley | Son | — | 17 | ~1923 |
| John Crowley | Head | — | 38 | ~1902 |
Census Appearances
1920
Los Angeles, …
Son, age 18
Los Angeles, California · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crowley |
| Given Name | John R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Connecticut |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | England |
| Occupation | Stock Manager |
| Industry | Music Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1930
Los Angeles, …
Head, age 28
Los Angeles, California · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crowley |
| Given Name | John R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Age at First Marriage | 20 |
| Father's Birthplace | Connecticut |
| Mother's Birthplace | Connecticut |
| Occupation | Salesman |
| Industry | Music Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Radio Set | R |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1940
Los-Angeles-County, California
Head, age 38
Los-Angeles-County, California · implied b. ~1902 — 4 household members
| Surname | Crowley |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Connecticut |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Occupation | salesman |
| Industry | Music Co. |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
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 John Crowley across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Sarah Thompson (~0.92 confidence) and father Joseph Thompson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Sarah Thompson
b. ~1869
Source mother
● Household
· direct · ~0.92
Father
Joseph Thompson
b. ~1872
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Crowley
Head · 1940 · age 38 · b. ~1902 · 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-t0627-00421-00170)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Crowley THIS PERSON | 38 | Head | Salesman | Connecticut |
| 2 | Fay Crowley | 34 | Wife | — | Missouri |
| 3 | Robert Crowley | 17 | Son | New Worker | Calif |
| 4 | John Crowley | 15 | Son | — | Calif |
| 5 | John Ferguson | 63 | Head | — | Kentucky |
| 6 | Joseph W. Dewitt | 38 | Head | Actor | Samoa (Am) |
| 7 | Tenelia Dewitt | 37 | Wife | — | Arizona |
| 8 | Joseph M. Dewitt | 7 | Son | — | Calif |
| 9 | Donald Dewitt | 4 | Son | — | Calif |
| 10 | James Sanchez | 30 | Head | Clothes Presser | Texas |
| 11 | Lydia Sanchez | 23 | Wife | Window Fixture Worker | Arizona |
| 12 | George Sanchez | 7 | Son | — | Calif |
| 13 | Diane Sanchez | 5 | Daughter | — | Calif |
| 14 | Richard Sanchez | 3 | Son | — | Calif |
| 15 | Joseph Harrington | 32 | Head | Musician | Samoa (Am) |
| 16 | Frances Harrington | 23 | Wife | — | Samoa (Am) |
| 17 | Eva M. L. Harrington | 1 | Daughter | — | Calif |
| 18 | Edward Heurill | 60 | Head | House Painter | Ohio |
| 19 | Hermila Heurill | 51 | Wife | — | Mexico |
| 20 | J. G. Cassett | 48 | Head | Carpenter | Kentucky |
| 21 | Dora W. Cassett | 61 | Wife | — | Minnesota |
| 22 | Edward Curry | 68 | Head | — | Calif |
| 23 | John Jordan | 35 | Head | Book Salesman | New York |
| 24 | Walter Harris | 62 | Head | Porter | Pennsylvania |
| 25 | Mike Flores | 39 | Head | Porter | Mexico |
| 26 | Fanny Flores | 28 | Wife | — | Mexico |
| 27 | Jessie Flores | 13 | Daughter | — | Calif |
| 28 | Nicky Flores | 2 | Son | — | Calif |
| 29 | Annetta M. Flores | 1 | Daughter | — | Calif |
| 30 | C. L. Sentous | 53 | Head | Handbill Distributor | Missouri |
| 31 | Celestino Miranda | 47 | Head | Janitor | Philippines |
| 32 | Carmen Miranda | 19 | Wife | — | Texas |
| 33 | Alphonso Miranda | 0 | Son | — | Calif |
| 34 | Aurora Castellano | 34 | Head | — | Texas |
| 35 | Marguerita Castellano | 17 | Daughter | — | Texas |
| 36 | Yolanda Castellano | 15 | Daughter | — | Texas |
| 37 | Olga Castellano | 14 | Daughter | — | Texas |
| 38 | Bisonte Miorga | 42 | Head | Common Laborer | Mexico |
| 39 | Dolores Miorga | 23 | Wife | — | Mexico |
| 40 | Dolores Irene Miorga | 2 | Daughter | — | Calif |
Pedigree Summary
John
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)