JG
James Griffin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this James Griffin across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents Ray & Marie — first a son (b.~1919), then head of a 2-person household.
Age 21
b. ~1919
Male
Son
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Griffin |
| Given Name | James H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Occupation | Automobile Mechanic |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1800 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Automobile Mechanic |
| Township / Ward | Portland City |
| Est. Birth Year | ~1919 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Marie Griffin | Head | — | 45 | ~1895 |
| James Griffin | Son | — | 21 | ~1919 |
Census Appearances
1920
Multnomah, Oregon
Son, age 1
Multnomah, Oregon · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Iowa |
| Mother's Birthplace | South Dakota |
| Occupation | none |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Multnomah, Oregon
Son, age 11
Multnomah, Oregon · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | James H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Iowa |
| Mother's Birthplace | South Dakota |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Multnomah-County, Oregon
Son, age 21
Multnomah-County, Oregon · implied b. ~1919 — 2 household members
| Surname | Griffin |
| Given Name | James H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Multnomah |
| Occupation | Automobile Mechanic |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1800 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 James Griffin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ray Griffin (~0.92 confidence) and mother Marie Griffin (~0.92 confidence) and mother Mary Griffin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ray Griffin
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Marie Griffin
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Mary Griffin
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Griffin
Son · 1940 · age 21 · b. ~1919 · Oregon
★ 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 — Multnomah-County, Oregon
Open full size
1940 US Federal Census — Multnomah-County, Oregon
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03390-00537)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marie S. Griffin | 45 | Head | — | So. Dakota |
| 2 | James H. Griffin THIS PERSON | 21 | Son | Automobile Mechanic | Washington |
| 3 | Florence Reynolds | 61 | Head | Teacher | Oregon |
| 4 | Luka Sutranovic | 52 | Head | Sawyer | Jugoslavia |
| 5 | Anna C. Sutranovic | 52 | Wife | — | Wisconsin |
| 6 | Dorothy M. Sutranovic | 27 | Daughter | — | Oregon |
| 7 | Arthur L. Sutranovic | 21 | Son | University Instructor | Oregon |
| 8 | Alvin L. Swanson | 47 | Head | Rate Clerk | Minnesota |
| 9 | Frances V. Swanson | 39 | Wife | — | Oregon |
| 10 | Gene A. Swanson | 5 | Son | — | Oregon |
| 11 | John E. Gunther | 53 | Head | Owner | New York |
| 12 | Bertha Gunther | 47 | Wife | — | Michigan |
| 13 | Ernestine Muller | 82 | Mother-in-law | — | Germany |
| 14 | James J. Loughattain | 63 | Head | Owner | Tennessee |
| 15 | Mildred B. Loughattain | 56 | Wife | Waitress | Oregon |
| 16 | Florence Linstead | 34 | Daughter | — | Washington |
| 17 | Richard A. Linstead | 11 | Grandson | — | Washington |
| 18 | Douglas E. Linstead | 8 | Grandson | — | Washington |
| 19 | James M. Loughattain | 11 | Grandson | — | Washington |
| 20 | Laura Morse | 43 | Head | Assistant Bookkeeper | Ohio |
| 21 | Lettie G. Morse | 72 | Mother | — | Ohio |
| 22 | Clyde B. Morse | 38 | Brother | Newspaper Distributor | Ohio |
| 23 | Royal A. Meisels | 37 | Head | Representative | Oregon |
| 24 | Audrey M. Meisels | 35 | Wife | Part Time Assistant | Idaho |
| 25 | William T. Vale | 36 | Head | Negotiating Dept. | Wisconsin |
| 26 | Yvonne M. Vale | 33 | Wife | — | Minnesota |
| 27 | Dolores Ann Vale | 9 | Daughter | — | Minnesota |
| 28 | Beverly Jay Vale | 5 | Daughter | — | Minnesota |
| 29 | Allen T. Reeney | 47 | Head | Railway Mail Clerk | Washington |
| 30 | Hallie V. Reeney | 41 | Wife | — | Illinois |
| 31 | Robert W. Reeney | 10 | Son | — | Washington |
| 32 | Clifford F. Handy | 41 | Head | Salesman | Oregon |
| 33 | Irene Handy | 38 | Wife | — | Oregon |
| 34 | Maud M. Russell | 56 | Housekeeper | Housekeeper | Minnesota |
| 35 | Wood H. Hopkins | 57 | Head | Conductor | Indiana |
| 36 | Flora M. Hopkins | 57 | Wife | — | Michigan |
| 37 | Wayne F. Hopkins | 25 | Son | Cleaner | Oregon |
| 38 | A. W. Rock | 51 | Head | Salesman | Wisconsin |
| 39 | Josephine Rock | 46 | Wife | Saleswoman | Wisconsin |
| 40 | Robert Rock | 17 | Son | — | Portland |
Pedigree Summary
James
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)