RJ
Ralph Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Ralph Jones across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents Emery & Alonzo — first a head (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Head
Born: Oregon
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Jones |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | Laborer |
| Industry | Furniture factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Oregon |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Laborer |
| Township / Ward | Portland City |
| Est. Birth Year | ~1909 |
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 Ralph | Age | Birth yr |
|---|---|---|---|---|
| Ralph Jones | Head | — | 31 | ~1909 |
| Harvey Jones | Son | — | 2 | ~1938 |
| Vernon Jones | Son | — | 1 | ~1939 |
| Irene Jones | Spouse | — | 20 | ~1920 |
Census Appearances
1920
Clackamas, Oregon
Son, age 11
Clackamas, Oregon · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Clackamas, Oregon
Son, age 21
Clackamas, Oregon · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Ralph A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Multnomah-County, Oregon
Head, age 31
Multnomah-County, Oregon · implied b. ~1909 — 4 household members
| Surname | Jones |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Washington |
| Occupation | Laborer |
| Industry | Furniture factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Oregon |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 Ralph Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Emery Jones (~0.92 confidence) and father Alonzo Jones (~0.92 confidence) and mother Josephine Jones (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Emery Jones
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Alonzo Jones
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Josephine Jones
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Jones
Head · 1940 · age 31 · b. ~1909 · 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-t0627-03390-00507)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas V Parkins | 37 | Head | Truck Driver | England |
| 2 | Nora Parkins | 40 | Wife | — | Scotland |
| 3 | Robert Parkins | 15 | Son | — | Oregon |
| 4 | Henry Parkins | 13 | Son | — | Washington |
| 5 | Margaret Parkins | 12 | Daughter | — | Washington |
| 6 | Ralph Jones THIS PERSON | 31 | Head | Laborer | Oregon |
| 7 | Irene Jones | 20 | Wife | — | Oregon |
| 8 | Harvey Jones | 2 | Son | — | Oregon |
| 9 | Vernon Jones | 1 | Son | — | Oregon |
| 10 | Frank Olson | 48 | Head | Locomotive Fireman | Minnesota |
| 11 | Ethel Olson | 43 | Wife | — | Minnesota |
| 12 | Margaret Olson | 14 | Daughter | — | Oregon |
| 13 | Bert W Mansfield | 46 | Head | Longshoreman | Washington |
| 14 | Lillian Hope Mansfield | 43 | Wife | Beautician | Minnesota |
| 15 | Josephine Williams | 59 | Enumerated elsewhere | — | — |
| 16 | Viggo M Jensen | 53 | Head | Laborer | Norway |
| 17 | Clara M Jensen | 50 | Wife | Marker | Oregon |
| 18 | Bert E Gibson | 59 | Head | Bookkeeper | England |
| 19 | Blanche Gibson | 56 | Wife | — | Michigan |
| 20 | Arthur Gibson | 20 | Son | Laborer | Idaho |
| 21 | James Gibson | 18 | Son | Laborer | Idaho |
| 22 | George Gibson | 16 | Son | — | Idaho |
| 23 | Russell O Stringham | 31 | Head | Cook | Idaho |
| 24 | Edna E Stringham | 31 | Wife | Candy Packer | Oregon |
| 25 | Creighton H Gubb | 39 | Head | Stationeryman | Iowa |
| 26 | Gertrude A Gubb | 32 | Wife | Saleswoman | Montana |
| 27 | Misinformed As To Number Of Persons | None | — | — | — |
| 28 | Eugene V Phelps | 56 | Head | Machinist | Kansas |
| 29 | Fannie M Phelps | 53 | Wife | — | Ohio |
| 30 | Paul A Phillips | 29 | Son | Clergyman | Ohio |
| 31 | Mildred L Phillips | 29 | Daughter-in-law | — | North Dakota |
| 32 | Dennis B Phillips | 2 | Grand-daughter | — | Oregon |
| 33 | Calvin A Phillips | 0 | Grand-son | — | Oregon |
| 34 | Alida M Kitchen | 74 | Head | — | Sweden |
| 35 | Lynn F Kitchen | 39 | Son | Landscape Gardener | Oregon |
| 36 | Hiram L Doane | 39 | Head | Truck Driver | Oregon |
| 37 | Elizabeth Doane | 43 | Wife | Janitress | Colorado |
| 38 | Donald A Towers | 23 | Son | — | Colorado |
| 39 | Lyle Towers | 20 | Son | Laborer | Colorado |
| 40 | Barbara Doane | 8 | Daughter | — | Oregon |
Pedigree Summary
Ralph
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)