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Frank Griffin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Frank Griffin across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 7-person household.
Age 10
b. ~1930
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Griffin |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Huntington Park City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 4 |
| 1935 Residence | Same House |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Huntington Park City |
| Est. Birth Year | ~1930 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Frank Griffin | Son | — | 10 | ~1930 |
| Janice Griffin | Son | — | 11 | ~1929 |
| Marilyn Griffin | Daughter | — | 17 | ~1923 |
| Effie Griffin | Spouse | — | 41 | ~1899 |
| Martha Griffin | Daughter | — | 5 | ~1935 |
| Cullen Griffin | Son | — | 12 | ~1928 |
| Christopher Griffin | Head | — | 48 | ~1892 |
Census Appearances
1930
Los Angeles, …
Son, age 2
Los Angeles, California · implied b. ~1928 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Frank R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Washington |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Son, age 10
Los-Angeles-County, California · implied b. ~1930 — 7 household members
| Surname | Griffin |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Huntington Park City |
| 1935 Residence (County) | Los Angeles |
| Income (1939) | 0 |
| Highest Grade | 4 |
| 1935 Residence | Same House |
| 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 Frank Griffin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Frank Griffin
Son · 1940 · age 10 · b. ~1930 · California
★ You are viewing this record
Sibling
Martha Griffin
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marilyn Griffin
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Janice Griffin
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cullen Griffin
Sibling · 1940 · age 12
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-t0627-00245-00507)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Isabella Barnard | 42 | Wife | — | New York |
| 2 | Barbara Barnard | 16 | Daughter | — | New York |
| 3 | Aureil Barnard | 11 | Daughter | — | California |
| 4 | John F. Cracker | 51 | Head | Car Foreman | Colorado |
| 5 | Anna L. Cracker | 44 | Wife | — | California |
| 6 | Mary L. Cracker | 22 | Daughter | Dental Nurse | California |
| 7 | Bert H. Stephenson | 50 | Head | Salesman | Missouri |
| 8 | Gladys Stephenson | 49 | Wife | — | Nebraska |
| 9 | Jack Stephenson | 22 | Son | Moulder | Nebraska |
| 10 | Fred J. Lanctot | 52 | Head | Truck Driver | Massachusetts |
| 11 | Lillian R. Lanctot | 54 | Wife | Saleslady | Massachusetts |
| 12 | Fred G. Lanctot | 26 | Head | Garage Mechanic Helper | Massachusetts |
| 13 | Rachael J. Lanctot | 22 | Wife | — | California |
| 14 | Paul F. Lanctot | 3 | Son | — | California |
| 15 | Harry L. Peat | 62 | Head | — | Illinois |
| 16 | Margaret Peat | 63 | Wife | — | Illinois |
| 17 | Esther F. Peat | 36 | Daughter-in-law | — | Illinois |
| 18 | Edward Bluff | 39 | Head | Welder | Canada-English |
| 19 | Elsie Bluff | 41 | Wife | — | Washington |
| 20 | Carol Bluff | 7 | Daughter | — | California |
| 21 | Christopher J. Griffin | 48 | Head | City Attorney | Wisconsin |
| 22 | Effie Marie Griffin | 41 | Wife | — | North Dakota |
| 23 | Marilyn R. Griffin | 17 | Daughter | — | California |
| 24 | Cullen J. Griffin | 12 | Son | — | California |
| 25 | Janice Griffin | 11 | Son | — | California |
| 26 | Frank Griffin THIS PERSON | 10 | Son | — | California |
| 27 | Martha Dell Griffin | 5 | Daughter | — | California |
| 28 | Jacob Greenburg | 63 | Head | Own Business | Russia |
| 29 | Bessie Greenburg | 56 | Wife | — | Rumania |
| 30 | Edward Greenburg | 25 | Son | Own Business | New York |
| 31 | Kenneth A. Peterson | 30 | Head | Salesman | Colorado |
| 32 | Barbara Ann Peterson | 7 | Daughter | — | California |
| 33 | Kenneth J. Peterson | 6 | Son | — | California |
| 34 | Ada Malcom | 28 | Lodger | Housekeeper | California |
| 35 | Carl F. Malcom | 7 | Lodger | — | California |
| 36 | Reese V. Gear | 38 | Head | Own Business | Oklahoma |
| 37 | Thelma Gear | 37 | Wife | — | Texas |
| 38 | Robert Gear | 15 | Son | — | Oklahoma |
| 39 | Ronald G. Gear | 3 | Son | — | California |
| 40 | Grant M. Hamilton | 36 | Head | Own Business | Missouri |
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)