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 Harry & Frances — first a son (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Male
Son
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Jones |
| Given Name | Ralph G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland (City) |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | General Company |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 420 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Truck Driver |
| Township / Ward | Portland City |
| Est. Birth Year | ~1917 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Frances Jones | Head | — | 37 | ~1903 |
| Homer Jones | Son | — | 27 | ~1913 |
| Ralph Jones | Son | — | 23 | ~1917 |
Census Appearances
1920
Multnomah, Oregon
Son, age 2
Multnomah, Oregon · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Missouri |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Multnomah, Oregon
Son, age 13
Multnomah, Oregon · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Ralph G. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Multnomah-County, Oregon
Son, age 23
Multnomah-County, Oregon · implied b. ~1917 — 3 household members
| Surname | Jones |
| Given Name | Ralph G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland (City) |
| 1935 Residence (County) | Multnomah |
| Occupation | Truck Driver |
| Industry | General Company |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 420 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Harry Jones (~0.92 confidence) and mother Frances Jones (~0.92 confidence) and father Francis Jones (~0.92 confidence) and mother Frances Jones (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Jones
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Frances Jones
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
Francis Jones
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Frances Jones
b. ~1903
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Jones
Son · 1940 · age 23 · b. ~1917 · Oregon
★ You are viewing this record
Sibling
Homer Jones
Sibling · 1940 · age 27
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
39 people indexed on this census page (nara:1940:m-t0627-03390-00988)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frances L. Jones | 37 | Head | Janitress | Missouri |
| 42 | Homer B. Jones | 27 | Son | Truck Driver | Oregon |
| 43 | Ralph G. Jones THIS PERSON | 23 | Son | Truck Driver | Oregon |
| 44 | Clara Fritz | 44 | Head | — | Austria |
| 45 | Fred A. Fritz | 45 | Head | Prop. Res. & Coffee | Oregon |
| 46 | Blanche H. Fritz | 30 | Wife | — | Oregon |
| 47 | Clare V. Fritz | 3 | Daughter | — | Oregon |
| 48 | Frederick Jr. Fritz | 2 | Son | — | Oregon |
| 49 | Mary Helen Fritz | 1 | Daughter | — | Oregon |
| 50 | Rachael Dominguez | 18 | Head | Maid | Nebraska |
| 51 | Mildred M. Brown | 42 | Head | Saleswoman | Oregon |
| 52 | Shirley R. Brown | 14 | Daughter | — | Oregon |
| 53 | Lawrence A. Brown | 9 | Son | — | Oregon |
| 54 | Albert Weill | 46 | Head | Stamp Dealer | Germany |
| 55 | Ella Weill | 31 | Wife | — | Germany |
| 56 | Chas. W. Martin | 56 | Head | House Clerk | Rhode Island |
| 57 | Florence N. Martin | 58 | Wife | — | Montana |
| 58 | Pearl H. Wallace | 55 | Head | Prop. Dress Shop | Missouri |
| 59 | Head Wallace | None | F | — | — |
| 60 | Josephine Maher | 65 | Head | Gen. Ins. Agent | Oregon |
| 61 | Kate M. Waldin | 47 | Lodger | — | Oregon |
| 62 | Ellen M. Casey | 80 | Lodger | — | Oregon |
| 63 | Nellie Francis Sherry | 65 | Lodger | — | Oregon |
| 64 | Ina C. Erwin | 66 | Head | Children'S Nurse | Alabama |
| 65 | Henry J. Stayton | 53 | Head | Master Mariner | Washington |
| 66 | Alice Stayton | 42 | Wife | — | Montana |
| 67 | Fred J. Meindl | 61 | Head | Attorney | Germany |
| 68 | Lorena Meindl | 60 | Wife | — | Oregon |
| 69 | Vivian Meindl | 19 | Daughter | Cafeteria Worker | Oregon |
| 70 | Head Meindl | None | M | — | — |
| 71 | Ethel P. Hagen | 40 | Head | Beauty Operator | Oklahoma |
| 72 | Juanita V. Parker | 45 | Lodger | H. S. Teacher | Oregon |
| 73 | Andrew Watson | 35 | Head | Wholesale Salesman | Montana |
| 74 | Ruth M. Watson | 31 | Wife | — | No. Dak. |
| 75 | Charles Hawkins | 73 | Head | — | Illinois |
| 76 | James E. Strong | 33 | Head | Freight Claim Insp. | Oregon |
| 77 | Alice G. Strong | 32 | Wife | — | Oregon |
| 78 | John J. Lynott | 58 | Head | Prop. Restaurant | Minnesota |
| 79 | Marguerite Lynott | 49 | Wife | Asst. Prop. Restaurant | New York |
Pedigree Summary
Ralph + 1 sibling
Gen 1 · 4 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)