JG
John Griffin — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this John Griffin across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Caroline — first a head (b.~1890), then head of a 4-person household.
Age 50
b. ~1890
Male
Head
Born: Georgia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Griffin |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Shoe Salesman |
| Industry | Retail Clothing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1715 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Shoe Salesman |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1890 |
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 |
|---|---|---|---|---|
| Patricia Griffin | Daughter | — | 8 | ~1932 |
| Caroline Griffin | Daughter | — | 11 | ~1929 |
| John Griffin | Head | — | 50 | ~1890 |
| Louise Griffin | Spouse | — | 36 | ~1904 |
Census Appearances
1920
King, Washington
Son, age 30
King, Washington · implied b. ~1890 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | New York |
| Occupation | Clerk |
| Industry | Shoe Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1930
King, Washington
Head, age 40
King, Washington · implied b. ~1890 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | John H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Georgia |
| Age at First Marriage | 38 |
| Father's Birthplace | Georgia |
| Mother's Birthplace | New York |
| Occupation | Salesman |
| Industry | Wholesale Shoes |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 50 |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
King-County, Washington
Head, age 50
King-County, Washington · implied b. ~1890 — 4 household members
| Surname | Griffin |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Occupation | Shoe Salesman |
| Industry | Retail Clothing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1715 |
| Highest Grade | H-1 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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: mother Caroline Griffin (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Caroline Griffin
b. ~1862
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Griffin
Head · 1940 · age 50 · b. ~1890 · Washington
★ 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 — King-County, Washington
Open full size
1940 US Federal Census — King-County, Washington
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-04374-00868)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Permane|Permaine Davidson | 30 | Wife | — | Minnesota |
| 2 | Betty Davidson | 14 | Daughter | — | Oregon |
| 3 | Patricia Davidson | 3 | Daughter | — | Washington |
| 4 | Alexander Davidson | 2 | Son | — | Washington |
| 5 | John H. Griffin THIS PERSON | 50 | Head | Shoe Salesman | Georgia |
| 6 | Louise H. Griffin | 36 | Wife | — | Colorado |
| 7 | Caroline L. Griffin | 11 | Daughter | — | Oregon |
| 8 | Patricia J. Griffin | 8 | Daughter | — | Washington |
| 9 | Justina Wester | 73 | Head | — | Canada |
| 10 | Lucie Zant | 70 | Partner | — | England |
| 11 | Michael J. O'Brien | 48 | Head | Checker | Ireland |
| 12 | Mary O'Brien | 39 | Wife | — | Ireland |
| 13 | Margaret O'Brien | 21 | Daughter | New Worker | Connecticut |
| 14 | Edward M. O'Brien | 20 | Son | Truck Washer | New York |
| 15 | William O'Brien | 18 | Son | — | New York |
| 16 | Patricia J. O'Brien | 17 | Daughter | — | Washington |
| 17 | Joan O'Brien | 8 | Daughter | — | Washington |
| 18 | Jack O'Brien | 5 | Son | — | Washington |
| 19 | Carl W. Hoglund | 43 | Head | Gluer | Finland |
| 20 | Elizabeth Hoglund | 42 | Wife | — | Michigan |
| 21 | Albert E. Muir | 52 | Head | Salesman | Michigan |
| 22 | Agnes C. Muir | 52 | Wife | — | Illinois |
| 23 | Virginia H. Muir | 19 | Daughter | — | Washington |
| 24 | E. M. Chandler | 71 | Head | — | Illinois |
| 25 | Fanny Chandler | 77 | Wife | — | Minnesota |
| 26 | Leroy Ufford | 66 | Head | Salesman | Illinois |
| 27 | Mary E. Ufford | 65 | Wife | — | Indiana |
| 28 | Mary E. Burke | 57 | Head | — | Ireland |
| 29 | Roseleen Burke | 16 | Daughter | — | Washington |
| 30 | Dean H. Cook | 24 | Head | Accountant | Washington |
| 31 | Ariel H. Cook | 23 | Wife | — | Washington |
| 32 | Hubert D. Cook | 2 | Son | — | Washington |
| 33 | John T. White | 61 | Head | Laborer | Tennessee |
| 34 | Anna L. White | 54 | Wife | — | Minnesota |
| 35 | Ruth B. White | 10 | Daughter | — | Washington |
| 36 | Samuel E. Curtis | 56 | Head | Carpenter Helper | New Hampshire |
| 37 | Ruth G. Curtis | 30 | Wife | — | Washington |
| 38 | Roma R. Curtis | 11 | Daughter | — | Washington |
| 39 | William H. Kensinger | 84 | Father | — | Ohio |
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)