SC
Samuel Cooper — 1940 US Census Record
Model Tree available1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Samuel Cooper across the 1920, 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Morton & William — first a son (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Son
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Cooper |
| Given Name | Samuel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Chester |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | Gate Tender |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| Highest Grade | 6 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Gate Tender |
| Township / Ward | Chester |
| Est. Birth Year | ~1910 |
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 Samuel | Age | Birth yr |
|---|---|---|---|---|
| Mabel Cooper | Spouse | — | 50 | ~1890 |
| Samuel Cooper | Son | — | 30 | ~1910 |
| Claudia Cooper | Daughter | — | 22 | ~1918 |
| William Cooper | Head | — | 55 | ~1885 |
Census Appearances
1920
Delaware, Pennsylvania
Son, age 10
Delaware, Pennsylvania · implied b. ~1910 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Samuel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Delaware, Pennsylvania
Son, age 20
Delaware, Pennsylvania · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Samuel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Oil Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Son, age 30
Delaware-County, Pennsylvania · implied b. ~1910 — 4 household members
| Surname | Cooper |
| Given Name | Samuel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Chester |
| 1935 Residence (County) | Delaware |
| Occupation | Gate Tender |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| Highest Grade | 6 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Samuel Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Morton Cooper (~0.92 confidence) and father William Cooper (~0.92 confidence) and father William Cooper (~0.92 confidence) and mother Mabel Cooper (~0.92 confidence) and mother Marie Cooper (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Morton Cooper
b. ~1868
Source father
● Household
· direct · ~0.92
Father
William Cooper
b. ~1885
Source father
● Household
· direct · ~0.92
Father
William Cooper
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Mabel Cooper
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Marie Cooper
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Samuel Cooper
Son · 1940 · age 30 · b. ~1910 · Pennsylvania
★ You are viewing this record
Sibling
Claudia Cooper
Sibling · 1940 · age 22
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 — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03487-00549)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Roy Albany | 53 | Head | Clerk | Pennsylvania |
| 2 | Helen Albany | 57 | Wife | — | Pennsylvania |
| 3 | Roy Albany | 21 | Son | — | Pennsylvania |
| 4 | George Albany | 15 | Son | — | Pennsylvania |
| 5 | Robert Albany | 10 | Son | — | Pennsylvania |
| 6 | Gerald Delmartin | 30 | Head | Machinist | Pennsylvania |
| 7 | Catherine Delmartin | 30 | Wife | — | Pennsylvania |
| 8 | Loraine Delmartin | 3 | Daughter | — | Pennsylvania |
| 9 | Frank Doyle | 47 | Boarder | — | New Jersey |
| 10 | Marshall Conley | 45 | Head | — | Pennsylvania |
| 11 | Dorothy Conley | 24 | Daughter | Stenographer | Pennsylvania |
| 12 | Betty Conley | 15 | Daughter | — | Pennsylvania |
| 13 | Frank Patten | 45 | Boarder | Chup Hand | Pennsylvania |
| 14 | Elizabeth Patten | 48 | Sister | — | Pennsylvania |
| 15 | Joseph H. Clement | 50 | Head | Electrician | Wisconsin |
| 16 | Edith Clement | 45 | Wife | — | Pennsylvania |
| 17 | John Dever | 65 | Head | Bobin | Pennsylvania |
| 18 | Catherine Dever | 61 | Wife | — | Pennsylvania |
| 19 | William Rainey | 37 | Head | Personnel Dept | England |
| 20 | Reba Rainey | 30 | Wife | — | Pennsylvania |
| 21 | Ann Rainey | 6 | Daughter | — | Pennsylvania |
| 22 | Claire Rainey | 3 | Daughter | — | Pennsylvania |
| 23 | Patrick Shield | 75 | Father-in-law | Laborer | Ireland |
| 24 | Agnes Shield | 69 | Mother-in-law | — | Pennsylvania |
| 25 | Harry Baker | 47 | Head | Driller | Pennsylvania |
| 26 | Minnie Baker | 47 | Wife | — | Pennsylvania |
| 27 | Delora Hooper | 25 | Daughter | — | Pennsylvania |
| 28 | Carol Hooper | 6 | Granddaughter | — | Delaware |
| 29 | Louise Hoskins | 23 | Lodger | Clerk | Pennsylvania |
| 30 | William Cooper | 55 | Head | Engineering | Pennsylvania |
| 31 | Mabel Cooper | 50 | Wife | — | Pennsylvania |
| 32 | Samuel Cooper THIS PERSON | 30 | Son | Gate Tender | Pennsylvania |
| 33 | Claudia Cooper | 22 | Daughter | — | Pennsylvania |
| 34 | J. Milton Henley | 55 | Head | Watchman | N. Carolina |
| 35 | Sue Henley | 55 | Wife | — | Pennsylvania |
| 36 | John J. Gallagher | 73 | Head | Laborer | Pennsylvania |
| 37 | Mary Gallagher | 62 | Wife | — | Maryland |
| 38 | Harry J. Mclaughlin | 34 | Son | Laborer | Pennsylvania |
| 39 | Marie Mclaughlin | 34 | Daughter-in-law | — | Pennsylvania |
| 40 | Agnes M. Mclaughlin | 1 | Daughter | — | Pennsylvania |
Pedigree Summary
Samuel + 1 sibling
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)