JG
John Griffin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kings-County, New York
Our Model Tree links this John Griffin across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed), with identified parents John & Margaret — first a son (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Griffin |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | Clerk |
| Industry | Book Club |
| Class of Worker | PW |
| Income (1939) | 585 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Clerk |
| Township / Ward | New York City |
| Est. Birth Year | ~1914 |
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 |
|---|---|---|---|---|
| John Griffin | Head | — | 64 | ~1876 |
| Edmund Griffin | Son | — | 26 | ~1914 |
| John Griffin | Son | — | 26 | ~1914 |
| Christine Griffin | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Kings, New …
Other, age 5
Kings, New York · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | John |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Kings, New …
Son, age 15
Kings, New York · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Clerk |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Son, age 26
Kings-County, New York · implied b. ~1914 — 4 household members
| Surname | Griffin |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Occupation | Clerk |
| Industry | Book Club |
| Class of Worker | PW |
| Income (1939) | 585 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Griffin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Griffin (~0.92 confidence) and mother Margaret Griffin (~0.92 confidence) and mother Christine Griffin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Griffin
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Margaret Griffin
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Christine Griffin
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Griffin
Son · 1940 · age 26 · b. ~1914 · New York
★ You are viewing this record
Sibling
Edmund Griffin
Sibling · 1940 · age 26
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 — Kings-County, New York
Open full size
1940 US Federal Census — Kings-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02553-00894)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Newman | 54 | Head | Executive | New York |
| 2 | Frances Newman | 52 | Wife | — | New York |
| 3 | Arthur Newman | 25 | Son | Salesman | New York |
| 4 | Ruth Newman | 23 | Daughter | — | New York |
| 5 | Herman Gottlieb | 41 | Head | Jobber | Germany |
| 6 | Fannie H Gottlieb | 33 | Wife | — | New York |
| 7 | Herbert S Gottlieb | 13 | Son | — | New York |
| 8 | Elise C Gottlieb | 12 | Daughter | — | New York |
| 9 | Erna Lyon | 31 | Servant | Maid | Germany |
| 10 | Charles Brand | 43 | Head | Accounting | Austria |
| 11 | Fay Brand | 40 | Wife | Clerk | New York |
| 12 | Morton Brand | 21 | Son | Accounting | New York |
| 13 | Robert Brand | 17 | Son | — | New York |
| 14 | William Schwartz | 33 | Head | Salesman | New York |
| 15 | Sara Schwartz | 32 | Wife | Teacher | New York |
| 16 | Samuel Hassen | 35 | Head | Attorney | Russia |
| 17 | Edith Hassen | 34 | Wife | Secretary | New York |
| 18 | Herbert Lust | 32 | Head | Clerk | New York |
| 19 | Rebecca Lust | 34 | Wife | Teacher | Palestine |
| 20 | Ralph Cheyette | 36 | Head | Buyer | New York |
| 21 | Beatrice Cheyette | 31 | Wife | Teacher | New York |
| 22 | Herman Hacker | 33 | Head | Buyer | New York |
| 23 | Ruth Hacker | 31 | Wife | — | New York |
| 24 | Irving Siegel | 29 | Head | Accounting | New York |
| 25 | Shirley Siegel | 22 | Wife | — | New York |
| 26 | Jack Paraly | 42 | Lodger | Counterman | Italy |
| 27 | Harry Schwartz | 31 | Head | Lawyer | Missouri |
| 28 | Molly Schwartz | 29 | Wife | — | New York |
| 29 | Esther Gressman | 52 | Mother-in-law | — | Russia |
| 30 | John Griffin | 64 | Head | Doorman | New York |
| 31 | Christine Griffin | 51 | Wife | — | England |
| 32 | John Griffin THIS PERSON | 26 | Son | Clerk | New York |
| 33 | Edmund Griffin | 26 | Son | Assist Manager | New York |
| 34 | John Schroth | 53 | Head | Butcher | Germany |
| 35 | Anna Schroth | 47 | Wife | — | New York |
| 36 | Elsa Sherman | 50 | Sister-in-law | Hairdresser | New York |
| 37 | Alexander Ginsberg | 40 | Head | Accountant | New York |
| 38 | Hilda Ginsberg | 37 | Wife | — | New York |
| 39 | Murray Ginsberg | 14 | Son | — | New York |
| 40 | David Ginsberg | 10 | Son | — | New York |
Pedigree Summary
John + 1 sibling
Gen 1 · 3 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)