JB
John Barrett — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Diego-County, California
Our Model Tree links this John Barrett across the 1920, 1930 and 1940 US Censuses in San-Diego-County, California (XGBoost, ~Confirmed), with identified parents Frank & Clara — first a head (b.~1908), then head of a 3-person household.
Age 32
b. ~1908
Male
Head
Born: Wyoming
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Diego-County, California |
| Surname | Barrett |
| Given Name | John M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Wyoming |
| 1935 Residence (City) | Mission Beach |
| 1935 Residence (County) | San Diego |
| Additional Details | |
| Occupation | Switchman |
| Industry | Civil Service |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1380 |
| Highest Grade | No 0 |
| 1935 Residence | Calif |
| Birth State | Wyoming |
| Birth Country | United States |
| Birthplace (normalized) | wyoming |
| Occupation | Switchman |
| Township / Ward | San Ysidro Nestor |
| Est. Birth Year | ~1908 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Virginia Barrett | Daughter | — | 11 | ~1929 |
| John Barrett | Head | — | 32 | ~1908 |
| Nicolasa Barrett | Spouse | — | 24 | ~1916 |
Census Appearances
1920
Hall, Nebraska
Son, age 11
Hall, Nebraska · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barrett |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Wyoming |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wyoming |
| Birth Country | United States |
| Birthplace (normalized) | wyoming |
1930
San Diego, …
Head, age 22
San Diego, California · implied b. ~1908 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barrett |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Wyoming |
| Age at First Marriage | 19 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Laborer |
| Industry | U.S. Naval Supply |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Veteran | No |
| Birth State | Wyoming |
| Birth Country | United States |
| Birthplace (normalized) | wyoming |
1940
San-Diego-County, California
Head, age 32
San-Diego-County, California · implied b. ~1908 — 3 household members
| Surname | Barrett |
| Given Name | John M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Wyoming |
| 1935 Residence (City) | Mission Beach |
| 1935 Residence (County) | San Diego |
| Occupation | Switchman |
| Industry | Civil Service |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1380 |
| Highest Grade | No 0 |
| 1935 Residence | Calif |
| Birth State | Wyoming |
| Birth Country | United States |
| Birthplace (normalized) | wyoming |
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 Barrett across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Frank Barrett (~0.92 confidence) and mother Clara Barrett (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Barrett
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Clara Barrett
b. ~1863
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Barrett
Head · 1940 · age 32 · b. ~1908 · 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-t0627-00297-00511)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Otto Kuhn | 65 | Head | Brewer | Switzerland |
| 2 | Charles M Snell | 57 | Head | Teacher | Calif |
| 3 | Lucretia Snell | 50 | Wife | — | Wash |
| 4 | Elaine Snell | 17 | Daughter | — | Calif |
| 5 | Charles M Snell | 15 | Son | — | Calif |
| 6 | Adelant Bullard | 49 | Head | Contractor | Okla |
| 7 | Mattie Bullard | 54 | Wife | Teacher | Texas |
| 8 | Corbett E Bullard | 20 | Son | — | Calif |
| 9 | Corbett Geraldine Bullard | 18 | Daughter | — | Calif |
| 10 | Francis Gourley | 33 | Head | Teacher | Okla |
| 11 | Emery D Fisk | 44 | Head | Horseman | Nebraska |
| 12 | Evelyn Fisk | 37 | Wife | — | Minn |
| 13 | Arline Fisk | 18 | Daughter | — | S. Dakota |
| 14 | Myrtle Fisk | 16 | Daughter | — | S. Dakota |
| 15 | William Fisk | 15 | Son | — | S. Dakota |
| 16 | Mary Fisk | 11 | Daughter | — | S. Dakota |
| 17 | Patricia Fisk | 9 | Daughter | — | S. Dakota |
| 18 | George Emery | 37 | Head | Test Pilot | New Jersey |
| 19 | Peggy Emery | 27 | Wife | — | New Jersey |
| 20 | Billy Emery | 9 | Son | — | New Jersey |
| 21 | Carlene Emery | 7 | Daughter | — | New Jersey |
| 22 | Albert E Cooley | 52 | Head | Salesman | Iowa |
| 23 | Ed Clayton | 31 | Head | Ranch Foreman | Texas |
| 24 | Edith Clayton | 30 | Wife | — | Texas |
| 25 | Rosemary Clayton | 6 | Daughter | — | Arizona |
| 26 | Frank Howland | 72 | Friend | — | Ohio |
| 27 | Courtney E Moody | 51 | Head | Proprietor | Tennessee |
| 28 | Lena M Moody | 50 | Wife | Asst. Manager | Nebraska |
| 29 | Frank Libitt | 25 | Head | Laborer | Arizona |
| 30 | Nicholas Libitt | 23 | Wife | — | Texas |
| 31 | Thomas Rustan | 12 | Boarder | — | Arizona |
| 32 | Percy D Robinson | 25 | Head | — | Kansas |
| 33 | Mabel Francis | 49 | Head | — | England |
| 34 | Spencer Francis | 28 | Son | — | Calif |
| 35 | Harold Kohorte | 29 | Head | Labor | Washington |
| 36 | Alta Mae Kohorte | 21 | Wife | — | Kansas |
| 37 | Betty Jane Kohorte | 1 | Daughter | — | Calif |
| 38 | John M Barrett THIS PERSON | 32 | Head | Switchman | Wyoming |
| 39 | Nicolasa Barrett | 24 | Wife | — | Calif |
| 40 | Virginia Barrett | 11 | 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)