RC
Robert Carter — 1940 US Census Record
Model Tree available1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Robert Carter across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents Marion & Aggie — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Carter |
| Given Name | Robert D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Class of Worker | U |
| Hours Worked | 7 |
| Income (1939) | 0 |
| Highest Grade | C 3 |
| 1935 Residence | Same Place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Township / Ward | Portland City |
| Est. Birth Year | ~1918 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Loraine Carter | Daughter | — | 12 | ~1928 |
| Marlon Carter | Head | — | 62 | ~1878 |
| Robert Carter | Son | — | 22 | ~1918 |
| Agatha Carter | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Multnomah, Oregon
Son, age 1
Multnomah, Oregon · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carter |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Oregon |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Multnomah, Oregon
Son, age 12
Multnomah, Oregon · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carter |
| Given Name | Robert L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Oregon |
| Mother's Birthplace | Oregon |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Multnomah-County, Oregon
Son, age 22
Multnomah-County, Oregon · implied b. ~1918 — 4 household members
| Surname | Carter |
| Given Name | Robert D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Multnomah |
| Class of Worker | U |
| Hours Worked | 7 |
| Income (1939) | 0 |
| Highest Grade | C 3 |
| 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 Robert Carter across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Marion Carter (~0.92 confidence) and mother Aggie Carter (~0.92 confidence) and mother Agatha Carter (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Marion Carter
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Aggie Carter
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Agatha Carter
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Carter
Son · 1940 · age 22 · b. ~1918 · Oregon
★ You are viewing this record
Sibling
Loraine Carter
Sibling · 1940 · age 12
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
40 people indexed on this census page (nara:1940:m-t0627-03391-00568)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Pearl O. Lillie | 52 | Head | — | Oregon |
| 42 | Kenneth Lillie | 23 | Son | Secretary | Oregon |
| 43 | June Lillie | 13 | Daughter | — | Oregon |
| 44 | Beverly Lillie | 10 | Daughter | — | Oregon |
| 45 | Stella Jones | 62 | Sister | Practical Nurse | Oregon |
| 46 | Julia Beeson | 55 | Head | — | California |
| 47 | Carter Beeson | 13 | Son | — | Oregon |
| 48 | Alice A. Hill | 74 | Head | — | Iowa |
| 49 | Sylvia Dupee | 53 | Daughter | Miscellaneous Housework | Oregon |
| 50 | Mary Harding | 39 | Head | Teacher | Washington |
| 51 | Ned Manley | 51 | Lodger | — | Michigan |
| 52 | Margaret Harwood | 66 | Head | — | England |
| 53 | Thomas Harwood | 27 | Son | Assistant Manager | Wisconsin |
| 54 | Eva J. Calloway | 71 | Head | — | Illinois |
| 55 | Anne Jane Miller | 30 | Maid | Servant | Washington |
| 56 | Vanden Bromberger | 44 | Head | New Worker | Washington |
| 57 | Dorothy Bromberger | 22 | Daughter | Comptometer Operator | Oregon |
| 58 | Lionel H. Bromberger | 16 | Son | — | Oregon |
| 59 | Zelda Broda | 55 | Sister | Saleswoman | Washington |
| 60 | Paul B. Cooper | 54 | Head | Civil Engineer | Oregon |
| 61 | Maude N. Cooper | 58 | Wife | — | Arkansas |
| 62 | May R. Cottage | 56 | Maid | Servant | Minnesota |
| 63 | Caroline Nash | 62 | Head | — | Oregon |
| 64 | Carolyn Ransom | 50 | Lodger | Assistant Junior Librarian | Oregon |
| 65 | Marlon D. Carter | 62 | Head | Accounting Manager | Oregon |
| 66 | Agatha K. Carter | 50 | Wife | — | Oregon |
| 67 | Robert D. Carter THIS PERSON | 22 | Son | — | Oregon |
| 68 | Loraine C. Carter | 12 | Daughter | — | Oregon |
| 69 | — | None | — | — | — |
| 70 | Hyman M. Barr | 51 | Head | Principal | New York |
| 71 | Ella B. Barr | 51 | Wife | — | New York |
| 72 | Burton Barr | 21 | Son | — | Oregon |
| 73 | Bessie Gurevitt | 71 | Mother-in-law | — | Russia |
| 74 | Louise Casey | 71 | Head | — | Washington |
| 75 | Margaret B. Casey | 45 | Daughter | — | Oregon |
| 76 | Carolyn Mason | 26 | Servant | Servant | Virginia |
| 77 | Dallie Hoflicker | 64 | Head | — | California |
| 78 | Helen Harter | 38 | Lodger | Teller | Washington |
| 79 | Nellie Macdonough | 71 | Lodger | — | California |
| 80 | Katherine Ralph | 51 | Head | — | Michigan |
Pedigree Summary
Robert + 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)