JH
John Harrington — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this John Harrington across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 11-person household.
Age 14
b. ~1926
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Harrington |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1926 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ann Harrington | Daughter | — | 10 | ~1930 |
| Mary Harrington | Daughter | — | 16 | ~1924 |
| Rosemary Harrington | Daughter | — | 1 | ~1939 |
| Gertrude Harrington | Daughter | — | 17 | ~1923 |
| John Harrington | Head | — | 51 | ~1889 |
| John Harrington | Son | — | 14 | ~1926 |
| Earl Harrington | Son | — | 8 | ~1932 |
| William Harrington | Son | — | 3 | ~1937 |
| Thomas Harrington | Son | — | 11 | ~1929 |
| Albert Harrington | Son | — | 5 | ~1935 |
| Grace Harrington | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Los Angeles, …
Son, age 4
Los Angeles, California · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Herrington |
| Given Name | John Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | Utah |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Son, age 14
Los-Angeles-County, California · implied b. ~1926 — 11 household members
| Surname | Harrington |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Highest Grade | No 7 |
| 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 John Harrington across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Harrington
Son · 1940 · age 14 · b. ~1926 · California
★ You are viewing this record
Sibling
Thomas Harrington
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Harrington
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosemary Harrington
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Harrington
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Harrington
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Harrington
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Harrington
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Harrington
Sibling · 1940 · age 10
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-t0627-00396-00129)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Richard Schauer | 10 | Son | — | California |
| 42 | John L. Harrington | 51 | Head | Caretaker | West Virginia |
| 43 | Grace Harrington | 42 | Wife | — | Utah |
| 44 | Gertrude Harrington | 17 | Daughter | — | Utah |
| 45 | Mary Harrington | 16 | Daughter | — | California |
| 46 | John Jr. Harrington THIS PERSON | 14 | Son | — | California |
| 47 | Thomas Harrington | 11 | Son | — | California |
| 48 | Ann Harrington | 10 | Daughter | — | California |
| 49 | Earl Harrington | 8 | Son | — | California |
| 50 | Albert Harrington | 5 | Son | — | California |
| 51 | William Harrington | 3 | Son | — | California |
| 52 | Rosemary Harrington | 1 | Daughter | — | California |
| 53 | Mary A. Briggith | 69 | Head | — | England |
| 54 | William Briggith | 76 | Brother | — | England |
| 55 | Job B. Briggith | 73 | Brother | — | England |
| 56 | Jane A. Davies | 82 | Sister | — | England |
| 57 | Louis Beckett | 50 | Head | Broker | Utah |
| 58 | Florence Beckett | 43 | Wife | — | Connecticut |
| 59 | Boyd E. Hannon | 49 | Head | Contractor | Nebraska |
| 60 | Evelyn B. Hannon | 30 | Wife | — | Illinois |
| 61 | Michael B. Hannon | 3 | Son | — | California |
| 62 | Carry Marsh | 72 | Head | — | Pennsylvania |
| 63 | Somi Toraichi | 57 | Head | Salesman | Japan |
| 64 | Takachiyo Toraichi | 41 | Wife | — | Japan |
| 65 | Shigeko Toraichi | 21 | Daughter | — | California |
| 66 | Akiko Toraichi | 19 | Daughter | — | California |
| 67 | John Brasch | 49 | Head | Physician | Denmark |
| 68 | Sara Brasch | 35 | Wife | Chemical Diagnostician | Denmark |
| 69 | Gertrude Pederson | 62 | Mother-in-law | — | Denmark |
| 70 | Lester Berry | 35 | Head | Writer | Oklahoma |
| 71 | Viola Berry | 34 | Wife | Librarian | Virginia |
| 72 | Norman Berry | 9 | Son | — | California |
| 73 | Gerald K. Prill | 36 | Head | Bookkeeper | California |
| 74 | Ernest Linberg | 58 | Head | Machinist | Germany |
| 75 | Mary Linberg | 58 | Wife | — | Germany |
| 76 | Mary Linberg | 19 | Daughter | — | California |
| 77 | William Meinlschmid | 58 | Head | Barber | Switzerland |
| 78 | Josephine Meinlschmid | 57 | Wife | — | Switzerland |
| 79 | Albert Meinlschmid | 27 | Son | Mechanic | Missouri |
| 80 | Faith Meinlschmid | 19 | Daughter-in-law | — | Missouri |
Related Census Records
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)