FC
Frank Cooper — 1940 US Census Record
Model Tree available1940 United States Federal Census · Multnomah-County, Oregon
Our Model Tree links this Frank Cooper across the 1920, 1930 and 1940 US Censuses in Multnomah-County, Oregon (XGBoost, ~Confirmed), with identified parents William — first a head (b.~1885), then head of a 6-person household.
Age 55
b. ~1885
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Multnomah-County, Oregon |
| Surname | Cooper |
| Given Name | Frank A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Multnomah |
| Additional Details | |
| Occupation | Painter |
| Industry | Building |
| Class of Worker | OA |
| Hours Worked | 8 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Painter |
| Township / Ward | Portland City |
| Est. Birth Year | ~1885 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Leisa Cooper | Spouse | — | 40 | ~1900 |
| Mary Cooper | Daughter | — | 8 | ~1932 |
| Alice Cooper | Daughter | — | 16 | ~1924 |
| Eliz Cooper | Daughter | — | 15 | ~1925 |
| Harold Cooper | Son | — | 10 | ~1930 |
| Frank Cooper | Head | — | 55 | ~1885 |
Census Appearances
1920
Multnomah, Oregon
Son, age 35
Multnomah, Oregon · implied b. ~1885 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Frank A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | United States |
| Occupation | Packer |
| Industry | Grocery Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Multnomah, Oregon
Head, age 45
Multnomah, Oregon · implied b. ~1885 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Frank A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 26 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Packer |
| Industry | Mail Order House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Radio Set | R |
| Veteran | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Multnomah-County, Oregon
Head, age 55
Multnomah-County, Oregon · implied b. ~1885 — 6 household members
| Surname | Cooper |
| Given Name | Frank A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Multnomah |
| Occupation | Painter |
| Industry | Building |
| Class of Worker | OA |
| Hours Worked | 8 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 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 Frank Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Cooper (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Cooper
b. ~1854
Source father
● Household
· direct · ~0.92
This person
Anchor record
Frank Cooper
Head · 1940 · age 55 · b. ~1885 · 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
38 people indexed on this census page (nara:1940:m-t0627-03393-00070)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Randolph O. Baldwin | 49 | Head | Waitor | Missouri |
| 42 | Helen L. Baldwin | 46 | Wife | — | Missouri |
| 43 | Helen M. Perry | 26 | Daughter | Saleslady | Missouri |
| 44 | Franklin E. Smith | 69 | Head | — | Iowa |
| 45 | Ella S. Smith | 62 | Wife | — | Illinois |
| 46 | Cora T. Evans | 69 | Head | Bookkeeping | Missouri |
| 47 | Ann S. Murray | 62 | Partner | Planner | Missouri |
| 48 | Frank A. Cooper THIS PERSON | 55 | Head | Painter | Missouri |
| 49 | Leisa A. Cooper | 40 | Wife | Housework | Oregon |
| 50 | Alice R. Cooper | 16 | Daughter | Library Helper | Oregon |
| 51 | Eliz. J. Cooper | 15 | Daughter | — | Oregon |
| 52 | Harold H. Cooper | 10 | Son | — | Oregon |
| 53 | Mary R. Cooper | 8 | Daughter | — | Oregon |
| 54 | Harry Amacher | 46 | Head | Fireman | Switzerland |
| 55 | Belle Amacher | 48 | Wife | — | Poland |
| 56 | Harry Amacher | 18 | Son | — | Oregon |
| 57 | Emill H. Kuce | 44 | Head | Yardmaster | Oregon |
| 58 | Grace E. Kuce | 41 | Wife | — | Nebraska |
| 59 | Donna J. Kuce | 10 | Daughter | — | Oregon |
| 60 | Ronald E. Tinsley | 26 | Head | Asbestos Applicator | England |
| 61 | Donna S. Tinsley | 27 | Wife | Calculator | Washington |
| 62 | Gayle E. Tinsley | 3 | Daughter | — | Oregon |
| 63 | Joyce G. Tinsley | 2 | Daughter | — | Oregon |
| 64 | Ella S. Urban | 77 | Head | — | Indiana |
| 65 | Brady Reede | 47 | Head | Porter | Louisiana |
| 66 | Amanda Reede | 52 | Wife | Maid | Louisiana |
| 67 | Harry H. Burbank | 46 | Head | Gardner | Nebraska |
| 68 | Frieda A. Burbank | 38 | Wife | — | Nebraska |
| 69 | Betty M. Burbank | 18 | Daughter | — | Nebraska |
| 70 | Robt. E. Burbank | 15 | Son | — | Nebraska |
| 71 | Patricia J. Burbank | 8 | Daughter | — | Nebraska |
| 72 | Hjelmar Johannson | 56 | Head | Longshoreman | Sweden |
| 73 | Leila Ma Johannson | 56 | Wife | — | Sweden |
| 74 | Lloyd M. Johannson | 15 | Son | — | Oregon |
| 76 | Rodney P. Poisel | 35 | Head | Fuel Oil Distributor | Idaho |
| 77 | Donna R. M. Poisel | 22 | Wife | Secretary | Oregon |
| 78 | James H. Kellar | 62 | Head | Carpenter | Kansas |
| 79 | Bessie F. Kellar | 54 | Wife | — | Kansas |
Pedigree Summary
Frank
Gen 1 · 1 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)