JC
Joseph Cooper — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cumberland-County, Maine
Our Model Tree links this Joseph Cooper across the 1920, 1930 and 1940 US Censuses in Cumberland-County, Maine (XGBoost, ~Confirmed), with identified parents Joseph & Joseph — first a son (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Son
Born: Maine
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cumberland-County, Maine |
| Surname | Cooper |
| Given Name | Joseph E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Cumberland |
| Additional Details | |
| Occupation | Electric Welder |
| Industry | Fire truck builder |
| Class of Worker | PW |
| Hours Worked | 15 |
| Income (1939) | 464 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Electric Welder |
| Township / Ward | Portland City |
| Est. Birth Year | ~1915 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Joseph Cooper | Head | — | 72 | ~1868 |
| Joseph Cooper | Son | — | 25 | ~1915 |
| Meriam Cooper | Spouse | — | 65 | ~1875 |
Census Appearances
1920
Cumberland, Maine
Son, age 5
Cumberland, Maine · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Joseph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Canada |
| Occupation | none |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Cumberland, Maine
Son, age 15
Cumberland, Maine · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Joseph E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Canada-French |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Cumberland-County, Maine
Son, age 25
Cumberland-County, Maine · implied b. ~1915 — 3 household members
| Surname | Cooper |
| Given Name | Joseph E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Cumberland |
| Occupation | Electric Welder |
| Industry | Fire truck builder |
| Class of Worker | PW |
| Hours Worked | 15 |
| Income (1939) | 464 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 Joseph Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Cooper (~0.92 confidence) and father Joseph Cooper (~0.92 confidence) and mother Meriam Cooper (~0.92 confidence) and mother Marion Cooper (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Cooper
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Joseph Cooper
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Meriam Cooper
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Marion Cooper
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Cooper
Son · 1940 · age 25 · b. ~1915 · Maine
★ 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 — Cumberland-County, Maine
Open full size
1940 US Federal Census — Cumberland-County, Maine
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01475-00593)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph A. Cooper | 72 | Head | — | Maine |
| 2 | Meriam Cooper | 65 | Wife | — | Canada-Eng |
| 3 | Joseph E. Cooper THIS PERSON | 25 | Son | Electric Welder | Maine |
| 4 | Malcolm Terzian | 52 | Head | Proprietor | Armenia |
| 5 | Muderick Hamparian | 40 | Head | Custodian | Turkey |
| 6 | Henry Williams | 42 | Head | Track Man | Maine |
| 7 | Florence Williams | 35 | Wife | Sardine Packer | Maine |
| 8 | Dale Williams | 11 | Son | — | Maine |
| 9 | Madeline Williams | 9 | Daughter | — | Maine |
| 10 | Fred Williams | 32 | Head | Track Man | Maine |
| 11 | Hazel Williams | 25 | Wife | Sardine Packer | Maine |
| 12 | Thelma Williams | 8 | Daughter | — | Maine |
| 13 | Velma Williams | 5 | Daughter | — | Maine |
| 14 | Dorothy Williams | 5 | Daughter | — | Maine |
| 15 | Caroline Englehart | 43 | Head | — | Massachusetts |
| 16 | Phyllis Bunker | 23 | Daughter | Waitress | Maine |
| 17 | Robert Bunker | 16 | Son | Pin Boy | Maine |
| 18 | Lois Zyzmiewski | 18 | Daughter | Waitress | Maine |
| 19 | Nancy Zyzmiewski | 2 | Granddaughter | — | Maine |
| 20 | Marietta Kelley | 63 | Mother | — | New Hampshire |
| 21 | George E. Burns | 61 | Head | Laborer | Maine |
| 22 | Robert J. Logan | 52 | Head | Laborer | Massachusetts |
| 23 | Anne A. Logan | 33 | Wife | — | Maine |
| 24 | Lester Pleau | 12 | Step-son | — | Maine |
| 25 | Bernard Logan | 10 | Son | — | Maine |
| 26 | Ivy Logan | 9 | Daughter | — | Maine |
| 27 | Virginia Logan | 8 | Daughter | — | Maine |
| 28 | Lane Logan | 7 | Son | — | Maine |
| 29 | Katherine Logan | 5 | Daughter | — | Maine |
| 30 | Alliston Logan | 3 | Son | — | Maine |
| 31 | William Logan | 1 | Son | — | Maine |
| 32 | Alrick Metevier | 56 | Head | Laborer | Maine |
| 33 | Ida Metevier | 61 | Wife | — | Maine |
| 34 | Andrew Metevier | 21 | Son | Carpenter | Maine |
| 35 | Pauline Weymouth | 26 | Daughter | — | Maine |
| 36 | Donald Weymouth | 9 | Grandson | — | Maine |
| 37 | Bertha Weymouth | 7 | Granddaughter | — | Maine |
| 38 | Marjorie Weymouth | 6 | Granddaughter | — | Maine |
| 39 | James Weymouth | 5 | Grandson | — | Massachusetts |
| 40 | John Herman | 37 | Head | Laborer | Massachusetts |
Pedigree Summary
Joseph
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)