RK
Robert Kennedy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Northampton-County, Pennsylvania
Our Model Tree links this Robert Kennedy across the 1930 and 1940 US Censuses in Northampton-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 10-person household.
Age 13
b. ~1927
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Northampton-County, Pennsylvania |
| Surname | Kennedy |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | North Catasauqua Borough |
| 1935 Residence (County) | Northampton |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | North Catasauqua Borough |
| Est. Birth Year | ~1927 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Anna Kennedy | Daughter | — | 11 | ~1929 |
| Helen Kennedy | Daughter | — | 7 | ~1933 |
| Kathryn Kennedy | Daughter | — | 4 | ~1936 |
| David Kennedy | Head | — | 41 | ~1899 |
| Robert Kennedy | Son | — | 13 | ~1927 |
| David Kennedy | Son | — | 19 | ~1921 |
| James Kennedy | Son | — | 14 | ~1926 |
| Eugene Kennedy | Son | — | 2 | ~1938 |
| Francis Kennedy | Son | — | 16 | ~1924 |
| Helen Kennedy | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Northampton, Pennsylvania
Son, age 3
Northampton, Pennsylvania · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kennedy |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Northampton-County, Pennsylvania
Son, age 13
Northampton-County, Pennsylvania · implied b. ~1927 — 10 household members
| Surname | Kennedy |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | North Catasauqua Borough |
| 1935 Residence (County) | Northampton |
| Highest Grade | 6 |
| 1935 Residence | Same House |
| 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 Robert Kennedy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Kennedy
Son · 1940 · age 13 · b. ~1927 · Pennsylvania
★ You are viewing this record
Sibling
Eugene Kennedy
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Kennedy
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Kennedy
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathryn Kennedy
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Kennedy
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Kennedy
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Kennedy
Sibling · 1940 · age 14
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 — Northampton-County, Pennsylvania
Open full size
1940 US Federal Census — Northampton-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03593-00433)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David Kennedy | 41 | Head | Laborer | Pennsylvania |
| 2 | Helen Kennedy | 38 | Wife | Winder | Pennsylvania |
| 3 | David Jr. Kennedy | 19 | Son | Office Clerk | Pennsylvania |
| 4 | Francis Kennedy | 16 | Son | — | Pennsylvania |
| 5 | James Kennedy | 14 | Son | — | Pennsylvania |
| 6 | Robert Kennedy THIS PERSON | 13 | Son | — | Pennsylvania |
| 7 | Anna Kennedy | 11 | Daughter | — | Pennsylvania |
| 8 | Helen Kennedy | 7 | Daughter | — | Pennsylvania |
| 9 | Kathryn Kennedy | 4 | Daughter | — | Pennsylvania |
| 10 | Eugene Kennedy | 2 | Son | — | Pennsylvania |
| 11 | Stephen Schlocter | 43 | Head | Spinner | Pennsylvania |
| 12 | Margaret Schlocter | 27 | Wife | Winder | Pennsylvania |
| 13 | Charles O'Donnell | 33 | Head | Truck Driver | Pennsylvania |
| 14 | Hattie O'Donnell | 27 | Wife | Cigar Packer | Pennsylvania |
| 15 | Kathleen O'Donnell | 2 | Daughter | — | Pennsylvania |
| 16 | Clarence Weiss | 32 | Head | Laborer | Pennsylvania |
| 17 | Anna Weiss | 28 | Wife | Warper | Pennsylvania |
| 18 | Clarence Weiss | 9 | Son | — | Pennsylvania |
| 19 | Stephen Krchnavi | 54 | Head | Laborer | Czecho-Slovakia |
| 20 | Mary Krchnavi | 55 | Wife | — | Czecho-Slovakia |
| 21 | Helen Krchnavi | 26 | Daughter | Cigar Maker | Pennsylvania |
| 22 | Ralph Keller | 42 | Head | Laborer | Pennsylvania |
| 23 | Delley Keller | 39 | Wife | — | Pennsylvania |
| 24 | Morris Keller | 16 | Son | — | Pennsylvania |
| 25 | Willard Keller | 14 | Son | — | Pennsylvania |
| 26 | Nora Lee Keller | 9 | Daughter | — | Pennsylvania |
| 27 | Armona Keller | 8 | Daughter | — | Pennsylvania |
| 28 | Dora Keller | 6 | Daughter | — | Pennsylvania |
| 29 | Delphine Keller | 3 | Daughter | — | Pennsylvania |
| 30 | Charles Helton | 30 | Head | Laborer | Pennsylvania |
| 31 | Althea Helton | 21 | Wife | Sewer | Pennsylvania |
| 32 | Russell Helton | 4 | Son | — | Pennsylvania |
| 33 | Ronald Helton | 3 | Son | — | Pennsylvania |
| 34 | Robert Helton | 2 | Son | — | Pennsylvania |
| 35 | Addie Helton | 60 | Aunt | — | Pennsylvania |
| 36 | Russell Oplinger | 33 | Head | Repair Man | Pennsylvania |
| 37 | Mary Oplinger | 28 | Wife | — | Pennsylvania |
| 38 | Leroy Oplinger | 11 | Son | — | Pennsylvania |
| 39 | Irene Zelina | 23 | Head | — | Pennsylvania |
| 40 | John Paul Zelina | 3 | Son | — | Pennsylvania |
Related Census Records
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)