FR
Frank Robinson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Frank Robinson across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents Earl & Earl — first a son (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Robinson |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Portland |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Occupation | Office |
| Industry | Equit Life Ins. Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1440 |
| Highest Grade | C-4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Office |
| Township / Ward | Portland |
| Est. Birth Year | ~1911 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Earl Robinson | Head | — | 62 | ~1878 |
| Edith Nesbit | Other | — | 61 | ~1879 |
| Frank Robinson | Son | — | 29 | ~1911 |
| Isabelle Robinson | Spouse | — | 59 | ~1881 |
Census Appearances
1920
Multnomah, Oregon
Son, age 9
Multnomah, Oregon · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Multnomah, Oregon
Son, age 19
Multnomah, Oregon · implied b. ~1911 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Frank A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Multnomah-County, Oregon
Son, age 29
Multnomah-County, Oregon · implied b. ~1911 — 4 household members
| Surname | Robinson |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Portland |
| 1935 Residence (County) | Multnomah |
| Occupation | Office |
| Industry | Equit Life Ins. Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1440 |
| Highest Grade | C-4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Frank Robinson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Earl Robinson (~0.92 confidence) and father Earl Robinson (~0.92 confidence) and father Carl Robinson (~0.92 confidence) and mother Isabel Robinson (~0.92 confidence) and mother Isabelle Robinson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Earl Robinson
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Earl Robinson
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Carl Robinson
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Isabel Robinson
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Isabelle Robinson
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Robinson
Son · 1940 · age 29 · b. ~1911 · 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-t0627-03390-00656)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | David W. Sullivan | 20 | Son | Stock Boy | Oregon |
| 42 | Ruth J. Sullivan | 18 | Daughter | — | South Dakota |
| 43 | Robert B. Dickey | 25 | Head | Chief Chef | Oregon |
| 44 | Maxine Dickey | 25 | Wife | — | Minnesota |
| 45 | Lynn Dickey | 2 | Daughter | — | Oregon |
| 46 | Irma Dickey | 53 | Mother | — | Oregon |
| 47 | Earl C. Robinson | 62 | Head | Dentist | Illinois |
| 48 | Isabelle Robinson | 59 | Wife | — | Illinois |
| 49 | Frank Robinson THIS PERSON | 29 | Son | Office | Illinois |
| 50 | Edith Nesbit | 61 | Sister-in-law | — | Illinois |
| 51 | Ralph J. Payne | 57 | Head | Electrician | Minnesota |
| 52 | Ethel Payne | 51 | Wife | Nurse | S. Dakota |
| 53 | Phyllis E. Payne | 23 | Daughter | Bookkeeper | Minnesota |
| 54 | Emerson E. Payne | 19 | Son | — | Texas |
| 55 | Ferris R. Fox | 44 | Head | Clerk | Illinois |
| 56 | Rose Fox | 44 | Wife | Manager Bakery | Illinois |
| 57 | Martin Fechter | 52 | Brother-in-law | Cleaning | Minnesota |
| 58 | Frederick W. Whalley | 53 | Head | Civil Engineer | Massachusetts |
| 59 | Hattie S. Whalley | 63 | Wife | — | California |
| 60 | Harriet A. Whalley | 22 | Daughter | Student-Office Clerk | Oregon |
| 61 | Laura Whalley | 18 | Daughter | — | Oregon |
| 62 | Cecil A. Berry | 44 | Head | Bookkeeper | California |
| 63 | Enid Berry | 43 | Wife | — | Utah |
| 64 | Barbara Berry | 13 | Daughter | — | Oregon |
| 65 | James H. Castle | 53 | Head | Publisher | Texas |
| 66 | Loraine M. Castle | 43 | Wife | — | N. Dakota |
| 67 | James B. Castle | 15 | Son | — | Oregon |
| 68 | H. T. Riley | 49 | Head | Field Man | Wisconsin |
| 69 | Nellie Riley | 45 | Wife | — | Iowa |
| 70 | Bernardine Reilly | 25 | Step-daughter | Stenographer | Iowa |
| 71 | John Reilly | 23 | Step-son | Collector | Iowa |
| 72 | Mary Riley | 20 | Daughter | — | So. Dakota |
| 73 | Ben Friedman | 49 | Head | Salesman | Austria |
| 74 | Clara Friedman | 49 | Wife | — | New York City |
| 75 | C. D. Connelly | 57 | Head | Salesman | Illinois |
| 76 | Ruby Connelly | 54 | Wife | — | Illinois |
| 77 | L. J. Brown | 54 | Head | Salesman | California |
| 78 | Florence E. Brown | 48 | Wife | — | Nebraska |
| 79 | George E. Brown | 23 | Son | New Worker | Oregon |
| 80 | Amelia Westcott | 74 | Mother-in-law | — | Illinois |
Pedigree Summary
Frank
Gen 1 · 5 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)