JW
James Warren — 1940 US Census Record
Model Tree available1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this James Warren across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents Millie & Nellie — first a son (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Warren |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Occupation | Night-Clerk |
| Industry | Meat-Packer |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 764 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Night-Clerk |
| Township / Ward | Portland City |
| Est. Birth Year | ~1916 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Jennie Warren | Daughter | — | 19 | ~1921 |
| Nellie Warren | Head | — | 52 | ~1888 |
| Lloyd Yokeen | Other | — | 39 | ~1901 |
| James Warren | Son | — | 24 | ~1916 |
Census Appearances
1920
Multnomah, Oregon
Son, age 4
Multnomah, Oregon · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Warren |
| Given Name | James W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Multnomah, Oregon
Son, age 14
Multnomah, Oregon · implied b. ~1916 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Warren |
| Given Name | James H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Multnomah-County, Oregon
Son, age 24
Multnomah-County, Oregon · implied b. ~1916 — 4 household members
| Surname | Warren |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Multnomah |
| Occupation | Night-Clerk |
| Industry | Meat-Packer |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 764 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Warren across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Millie Warren (~0.92 confidence) and mother Nellie Warren (~0.92 confidence) and mother Nellie Warren (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Millie Warren
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Nellie Warren
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Nellie Warren
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Warren
Son · 1940 · age 24 · b. ~1916 · Oregon
★ You are viewing this record
Sibling
Jennie Warren
Sibling · 1940 · age 19
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 — Multnomah-County, Oregon
Open full size
1940 US Federal Census — Multnomah-County, Oregon
Page Contents
33 people indexed on this census page (nara:1940:m-t0627-03393-00430)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elvin Carter | 45 | Head | Buyer | Oregon |
| 42 | Verna Carter | 43 | Wife | — | Oregon |
| 43 | Barbara Carter | 14 | Daughter | — | Oregon |
| 44 | Nellie Warren | 52 | Head | — | Kansas |
| 45 | James Warren THIS PERSON | 24 | Son | Night-Clerk | Missouri |
| 46 | Jennie M. Warren | 19 | Daughter | Retoucher | Missouri |
| 47 | Lloyd Yokeen | 39 | Lodger | Loader | Washington |
| 48 | Joseph Wendlick | 27 | Head | Engineer | Oregon |
| 49 | Nilda Wendlick | 25 | Wife | — | Nebraska |
| 50 | Joseph D. Wendlick | 0 | Son | — | Oregon |
| 57 | Arthur W. Kapp | 57 | Head | Motor-Mechanic | Wisconsin |
| 58 | Lora E. Kapp | 50 | Wife | — | Washington |
| 59 | Harry W. Kapp | 28 | Son | Fireman | Oregon |
| 60 | Paul O. Kapp | 62 | Brother | Construction | Wisconsin |
| 62 | Geddes Banta | 72 | Head | — | Iowa |
| 63 | Arthur St. James | 27 | Head | Dyer | Kansas |
| 64 | Ellen St. James | 30 | Wife | — | Oregon |
| 65 | Judy St. James | 1 | Daughter | — | Oregon |
| 66 | Leslie J. Howard | 57 | Head | Laborer | Wisconsin |
| 67 | Oscar Anthony | 32 | Head | Shipping-Clerk | Canada-French |
| 68 | Helen Anthony | 28 | Wife | Lithograph Operator | Oregon |
| 69 | Ray Dawson | 21 | Head | Auto-Mechanic | Oregon |
| 70 | Dorothy Dawson | 22 | Wife | — | Oregon |
| 71 | Jefferson Wall | 70 | Head | Laborer | Kentucky |
| 72 | Rebecca Wall | 70 | Wife | — | Kentucky |
| 73 | John Wall | 19 | Grand-son | Bookkeeper | Colorado |
| 74 | James T. Wall | 16 | Grand-son | — | Oregon |
| 75 | Andrew Flick | 54 | Head | Buyer | Switzerland |
| 76 | Marian Flick | 43 | Wife | — | England |
| 77 | Robert Flick | 20 | Son | Helper | New York |
| 78 | George F. Rogers | 39 | Head | Auto-Mechanic | Idaho |
| 79 | Edith Rogers | 36 | Wife | — | Utah |
| 80 | Rae Jean Rogers | 5 | Daughter | — | Utah |
Pedigree Summary
James + 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)