MC
Margaret Cooper — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Margaret Cooper across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Charles & Catherine — first a daughter (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Cooper |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Knitter |
| Industry | Surgical felt |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 725 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Knitter |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1917 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Sarah Cooper | Spouse | — | 50 | ~1890 |
| Evelyn Miller | Daughter | — | 32 | ~1908 |
| Margaret Cooper | Daughter | — | 23 | ~1917 |
| Virginia Miller | Other | — | 7 | ~1933 |
| Ernest Cooper | Head | — | 54 | ~1886 |
Census Appearances
1920
Philadelphia, Pennsylvania
Daughter, age 3
Philadelphia, Pennsylvania · implied b. ~1917 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Daughter, age 14
Philadelphia, Pennsylvania · implied b. ~1916 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Daughter, age 23
Philadelphia-County, Pennsylvania · implied b. ~1917 — 5 household members
| Surname | Cooper |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Knitter |
| Industry | Surgical felt |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 725 |
| Highest Grade | H 4 |
| 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 Margaret Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Cooper (~0.92 confidence) and mother Catherine Cooper (~0.92 confidence) and father Ernest Cooper (~0.92 confidence) and father Stephen Cooper (~0.92 confidence) and mother Catherine Cooper (~0.92 confidence) and mother Sarah Cooper (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Cooper
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Catherine Cooper
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
Ernest Cooper
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Stephen Cooper
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Catherine Cooper
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Sarah Cooper
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Cooper
Daughter · 1940 · age 23 · b. ~1917 · Pennsylvania
★ You are viewing this record
Sibling
Evelyn Miller
Sibling · 1940 · age 32
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03702-00628)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Litwach | 48 | wife | Clerk | Russia |
| 2 | Jack Litwach | 25 | son | Cutter | New York |
| 3 | Belle Litwach | 21 | daughter | Owner Manager | New York |
| 4 | Angelo Battaglia | 35 | head | Commercial Artist | Italy |
| 5 | Mary Battaglia | 34 | wife | — | New Jersey |
| 6 | Gloria Battaglia | 9 | daughter | — | Pennsylvania |
| 7 | Gilda Battaglia | 2 | daughter | — | Pennsylvania |
| 8 | Victoria Battaglia | 1 | daughter | — | Pennsylvania |
| 9 | John Harvey | 46 | head | Chief Clerk | Pennsylvania |
| 10 | Helen S. Harvey | 32 | wife | Clerk | Pennsylvania |
| 11 | Ellen Mcshane | 60 | mother in law | — | Eire |
| 12 | David Jade | 46 | head | Junk Buyer | Pennsylvania |
| 13 | Katharine Jade | 41 | wife | — | Russia |
| 14 | Jean Jade | 19 | daughter | Clerk | Pennsylvania |
| 15 | Shirley Jade | 12 | daughter | — | Pennsylvania |
| 16 | Alice Jade | 7 | daughter | — | Pennsylvania |
| 17 | William Robertson | 53 | lodger | — | Scotland |
| 18 | Ernest Cooper | 54 | head | Watchman | England |
| 19 | Sarah Cooper | 50 | wife | — | Pennsylvania |
| 20 | Margaret Cooper THIS PERSON | 23 | daughter | Knitter | Pennsylvania |
| 21 | Evelyn Miller | 32 | daughter | Secretary | Pennsylvania |
| 22 | Virginia Miller | 7 | grand daughter | — | Pennsylvania |
| 23 | Abner Cohen | 58 | head | — | Russia |
| 24 | Clara Cohen | 58 | wife | — | Russia |
| 25 | Maurice Cohen | 37 | son | Salesman | Russia |
| 26 | Albert Pilch | 42 | head | Mechanic | Russia |
| 27 | Hannah Pilch | 37 | wife | — | Russia |
| 28 | Vivian Pilch | 13 | daughter | — | Pennsylvania |
| 29 | Jules Pilch | 12 | son | — | Pennsylvania |
| 30 | Jacob Goldsmith | 44 | head | Second Hand | Pennsylvania |
| 31 | Mildred Goldsmith | 36 | wife | — | Pennsylvania |
| 32 | Stephen Goldsmith | 7 | son | — | Pennsylvania |
| 33 | Joseph Seltzer | 45 | head | Butcher | Russia |
| 34 | Bessie Seltzer | 45 | wife | — | Poland |
| 35 | Eddie Seltzer | 27 | son | Butcher | Pennsylvania |
| 36 | William Seltzer | 22 | son | Clerk | North Dakota |
| 37 | Leonard Seltzer | 14 | son | — | Pennsylvania |
| 38 | Arthur Nickel | 32 | head | Supervisor | Pennsylvania |
| 39 | Caroline Nickel | 27 | wife | — | New Jersey |
| 40 | Ross Nickel | 2 | son | — | Pennsylvania |
Pedigree Summary
Margaret + 1 sibling
Gen 1 · 6 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)