JH
John Harrison — 1940 US Census Record
Model Tree available1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this John Harrison across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed), with identified parents Eleanor — first a head (b.~1906), then head of a 6-person household.
Age 34
b. ~1906
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Harrison |
| Given Name | John B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Venice City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Contractor |
| Industry | Electrical |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 452 |
| Highest Grade | H-2 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Contractor |
| Township / Ward | Venice City |
| Est. Birth Year | ~1906 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Harrison | Daughter | — | 5 | ~1935 |
| Marie Harrison | Daughter | — | 12 | ~1928 |
| Joan Harrison | Daughter | — | 9 | ~1931 |
| John Harrison | Head | — | 34 | ~1906 |
| Nathan Merian | Other | — | 63 | ~1877 |
| Marie Harrison | Spouse | — | 32 | ~1908 |
Census Appearances
1920
Los Angeles, …
Son, age 14
Los Angeles, California · implied b. ~1906 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harrison |
| Given Name | John B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Los Angeles, …
Head, age 24
Los Angeles, California · implied b. ~1906 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harrison |
| Given Name | John B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 19 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Electrician |
| Industry | Building |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20.00 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Los-Angeles-County, California
Head, age 34
Los-Angeles-County, California · implied b. ~1906 — 6 household members
| Surname | Harrison |
| Given Name | John B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Venice City |
| 1935 Residence (County) | Los Angeles |
| Occupation | Contractor |
| Industry | Electrical |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 452 |
| Highest Grade | H-2 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Harrison across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Eleanor Harrison (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Eleanor Harrison
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Harrison
Head · 1940 · age 34 · b. ~1906 · 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-t0627-00411-00336)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bertha Kober | 66 | Mother | — | West Virginia |
| 2 | — | None | — | — | — |
| 3 | Lucile S. Gummer | 45 | Head | — | Iowa |
| 4 | Venetia Gunderog | 58 | Lodger | Teacher | Illinois |
| 5 | Albert O. Poe | 39 | Head | Owner | Kentucky |
| 6 | Ellen P. Poe | 50 | Wife | Fireman | California |
| 7 | Alberta E. Poe | 8 | Daughter | — | California |
| 8 | Albert O. Jr. Poe | 4 | Son | — | California |
| 9 | John O. Toborg | 27 | Step-son | Mechanical | California |
| 10 | Janet E. Knodel | 25 | Step-daughter | Sewer | California |
| 11 | Walter H. Toborg | 19 | Step-son | Sheet Metal | California |
| 12 | Elma E. Wood | 40 | Head | Manager | Utah |
| 13 | La Verne O. Wood | 36 | Wife | — | Colorado |
| 14 | Janet L. Wood | 14 | Daughter | — | California |
| 15 | Dain S. Wood | 7 | Son | — | California |
| 16 | Thomas J. Wood | 6 | Son | — | California |
| 17 | Emily E. Morby | 53 | Mother | — | Utah |
| 18 | John B. Harrison THIS PERSON | 34 | Head | Contractor | Pennsylvania |
| 19 | Marie A. Harrison | 32 | Wife | — | California |
| 20 | Marie T. Harrison | 12 | Daughter | — | California |
| 21 | Joan M. Harrison | 9 | Daughter | — | California |
| 22 | Eleanor K. Harrison | 5 | Daughter | — | California |
| 23 | Nathan J. Merian | 63 | Son-in-law | — | British Canada |
| 24 | Thomas E. Tuttle | 35 | Head | Dairyman | Illinois |
| 25 | Constance Tuttle | 33 | Wife | — | Washington |
| 26 | Marjorie Tuttle | 5 | Daughter | — | California |
| 27 | Thomas E. Jr. Tuttle | 2 | Son | — | California |
| 28 | Gerald H. Tuttle | 1 | Son | — | California |
| 29 | Stella Robinson | 60 | Mother | Seamstress | Iowa |
| 30 | Anna Myers | 56 | Head | — | California |
| 31 | Charles E. Chestnut | 29 | Son-in-law | Clerk | Utah |
| 32 | Alma Chestnut | 26 | Daughter | — | California |
| 33 | Betty Ann Chestnut | 6 | Daughter | — | California |
| 34 | Ned E. Chestnut | 2 | Grand-son | — | California |
| 35 | Olive E. Ross | 26 | Daughter | New Worker | California |
| 36 | Paul Habley | 56 | Head | — | Pennsylvania |
| 37 | Iryl F. Habley | 51 | Wife | — | Missouri |
| 38 | Margaret Habley | 14 | Daughter | — | Nebraska |
| 39 | Charles C. Mitchell | 42 | Head | Oil Worker | Iowa |
| 40 | Mable H. Mitchell | 41 | Wife | — | Kansas |
Pedigree Summary
John
Gen 1 · 1 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)