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Dorothy Kennedy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Dorothy Kennedy across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Claire — first a daughter (b.~1916), then head of a 5-person household.
Age 24
b. ~1916
Female
Daughter
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Kennedy |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Class of Worker | 22 |
| Highest Grade | No 4.4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Phila |
| Est. Birth Year | ~1916 |
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 Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Claire Mair | Head | — | 43 | ~1897 |
| Jesse Mair | Son | — | 21 | ~1919 |
| Dorothy Kennedy | Daughter | — | 24 | ~1916 |
| Robert Mair | Son | — | 17 | ~1923 |
| Robert Kennedy | Other | — | 24 | ~1916 |
Census Appearances
1920
Philadelphia, Pennsylvania
Other, age 3
Philadelphia, Pennsylvania · implied b. ~1917 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kennedy |
| Given Name | Dorothy |
| Relationship to Head | Niece |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| 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
Philadelphia, Pennsylvania
Other, age 13
Philadelphia, Pennsylvania · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kennedy |
| Given Name | Dorothy |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| 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 24
Philadelphia-County, Pennsylvania · implied b. ~1916 — 5 household members
| Surname | Kennedy |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Philadelphia |
| Class of Worker | 22 |
| Highest Grade | No 4.4 |
| 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 Dorothy Kennedy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Claire Mair (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Claire Mair
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Kennedy
Daughter · 1940 · age 24 · b. ~1916 · Pennsylvania
★ You are viewing this record
Sibling
Jesse Mair
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mair
Sibling · 1940 · age 17
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-t0627-03720-00012)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Esther Sommer | 48 | Wife | — | Pennsylvania |
| 2 | Herbert Jr Sommer | 12 | Son | — | Pennsylvania |
| 3 | Alvord Sommer | 10 | Son | — | Pennsylvania |
| 4 | Joseph Vandeventer | 24 | Head | Asst. Sales Manager | Illinois |
| 5 | Eudora Vandeventer | 25 | Wife | — | Michigan |
| 6 | Carol Vandeventer | 1 | Daughter | — | Pennsylvania |
| 7 | Anthony Perrino | 33 | Head | — | New York |
| 8 | Josephine Perrino | 30 | Wife | — | New York |
| 9 | Joann Perrino | 5 | Daughter | — | New Jersey |
| 10 | Catherine Sforza | 38 | Head | Bearder (Hosiery) | New York |
| 11 | Antoinette Sforza | 19 | Daughter | Assorter | New York |
| 12 | Line Cancelled Line Cancelled | None | Line cancelled | Line Cancelled | Line cancelled |
| 13 | Line Cancelled Line Cancelled | None | Line cancelled | Line Cancelled | Line cancelled |
| 14 | John Flebb | 43 | Head | Printing Pressman | Illinois |
| 15 | Helen Flebb | 40 | Wife | Hairdresser | Illinois |
| 16 | Jack Flebb | 17 | Son | — | Illinois |
| 17 | Robert Flebb | 12 | Son | — | Illinois |
| 18 | Robert Hamilton | 55 | Head | Trouble Man | Pennsylvania |
| 19 | Margaret Hamilton | 52 | Wife | — | Pennsylvania |
| 20 | Julia Leader | 40 | Head | Grocery Ledger | Pennsylvania |
| 21 | Warren Leader | 16 | Son | Asst. Shipping Clerk | Pennsylvania |
| 22 | Albert A Granitz | 46 | Head | Detective | Pennsylvania |
| 23 | Freda Granitz | 42 | Wife | Relief Visitor | Pennsylvania |
| 24 | Betty M Granitz | 12 | Daughter | — | Pennsylvania |
| 25 | Sol Jaffe | 40 | Boarder | Field Worker | New York |
| 26 | Laura Messing | 44 | Head | Fermenting Dept | New York |
| 27 | Louise Messing | 44 | Wife | — | Pennsylvania |
| 28 | Charlotte Messing | 20 | Daughter | Housework | Pennsylvania |
| 29 | Evelyn Messing | 17 | Daughter | — | Pennsylvania |
| 30 | Julian Segal | 32 | Head | Chiropodist | Pennsylvania |
| 31 | Rose Segal | 30 | Wife | — | Pennsylvania |
| 32 | Joanne Segal | 6 | Daughter | — | Pennsylvania |
| 33 | Ronald Segal | 4 | Son | — | Pennsylvania |
| 34 | Claire S Mair | 43 | Head | — | Pennsylvania |
| 35 | Jesse Mair | 21 | Son | — | Pennsylvania |
| 36 | Robert Mair | 17 | Son | — | Pennsylvania |
| 37 | Robert Kennedy | 24 | Son-in-law | Salesman | Pennsylvania |
| 38 | Dorothy Kennedy THIS PERSON | 24 | Daughter | — | Pennsylvania |
| 39 | Gerard Shea | 34 | Head | Candy Store | Pennsylvania |
| 40 | Anna Shea | 27 | Wife | Saleswork | Pennsylvania |
Pedigree Summary
Dorothy + 2 siblings
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)