RK
Robert Kelly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lackawanna-County, Pennsylvania
Our Model Tree links this Robert Kelly across the 1920, 1930 and 1940 US Censuses in Lackawanna-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Jane — first a son (b.~1906), then head of a 6-person household.
Age 34
b. ~1906
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lackawanna-County, Pennsylvania |
| Surname | Kelly |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Scranton |
| 1935 Residence (County) | Lackawanna |
| Additional Details | |
| Occupation | Brakeman |
| Industry | Rail road |
| Class of Worker | PW |
| Income (1939) | 38 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Brakeman |
| Township / Ward | Scranton |
| Est. Birth Year | ~1906 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Ester Kelly | Daughter | — | 26 | ~1914 |
| Jane Kelly | Head | — | 64 | ~1876 |
| Ester Collins | Other | — | 7 | ~1933 |
| Thomas Connolly | Other | — | 58 | ~1882 |
| William Kelly | Son | — | 25 | ~1915 |
| Robert Kelly | Son | — | 34 | ~1906 |
Census Appearances
1920
Lackawanna, Pennsylvania
Son, age 13
Lackawanna, Pennsylvania · implied b. ~1907 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| 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
Lackawanna, Pennsylvania
Son, age 24
Lackawanna, Pennsylvania · implied b. ~1906 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Brakeman |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lackawanna-County, Pennsylvania
Son, age 34
Lackawanna-County, Pennsylvania · implied b. ~1906 — 6 household members
| Surname | Kelly |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Scranton |
| 1935 Residence (County) | Lackawanna |
| Occupation | Brakeman |
| Industry | Rail road |
| Class of Worker | PW |
| Income (1939) | 38 |
| Highest Grade | 8 |
| 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 Kelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Kelly (~0.92 confidence) and mother Jane Kelly (~0.92 confidence) and mother Jennie Kelly (~0.92 confidence) and father Bernard Wroblewski (~0.92 confidence) and mother Mary Wroblewski (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Kelly
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Jane Kelly
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Jennie Kelly
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
Bernard Wroblewski
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Mary Wroblewski
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Kelly
Son · 1940 · age 34 · b. ~1906 · Pennsylvania
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Sibling
Ester Kelly
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Kelly
Sibling · 1940 · age 25
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 — Lackawanna-County, Pennsylvania
Open full size
1940 US Federal Census — Lackawanna-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03687-00334)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Marco | 36 | Wife | Housewife | Pennsylvania |
| 2 | Dolores Marco | 14 | daughter | — | Pennsylvania |
| 3 | John Jr. Marco | 9 | Son | — | Pennsylvania |
| 4 | Rose Riley | 63 | Head | Housemaid | Pennsylvania |
| 5 | Joseph Riley | 31 | son | Truck Driver | Pennsylvania |
| 6 | William Keys | 32 | boarder | Milk Truck Driver | Pennsylvania |
| 7 | Katherine Keys | 29 | daughter | — | Pennsylvania |
| 8 | William Keys | 4 | grandson | — | Pennsylvania |
| 9 | Nellie Quinn | 61 | Sister | Janitress | Pennsylvania |
| 10 | Catherine Gilbride | 42 | Head | Dressmaker | Pennsylvania |
| 11 | Elizabeth Gilbride | 32 | sister | — | Pennsylvania |
| 12 | Mary Ratchford | 40 | Cousin | Mail-Clerk | Pennsylvania |
| 13 | John Kulik | 48 | Head | Carpenter | Pennsylvania |
| 14 | Mae Kulik | 46 | wife | Weaver | Pennsylvania |
| 15 | Michael Kulik | 24 | son | Weaver | Pennsylvania |
| 16 | John Jr. Kulik | 9 | son | — | Pennsylvania |
| 17 | Margaret Connors | 46 | lodger | Typist | Pennsylvania |
| 18 | Bernard Wroblewski | 61 | Head | Boiler Room Foreman | Poland |
| 19 | Mary Wroblewski | 58 | wife | — | Poland |
| 20 | Bernard Wroblewski | 34 | son | Bakers Helper | Pennsylvania |
| 21 | Francis Wroblewski | 29 | son | Investigator | Pennsylvania |
| 22 | Jane Kelly | 64 | Head | — | Pennsylvania |
| 23 | Robert Kelly THIS PERSON | 34 | son | Brakeman | Pennsylvania |
| 24 | Ester Kelly | 26 | daughter | Saleslady | Pennsylvania |
| 25 | William Kelly | 25 | Son | Truck Driver | Pennsylvania |
| 26 | Ester Collins | 7 | granddaughter | — | Pennsylvania |
| 27 | Thomas Connolly | 58 | Mother | Conductor | Pennsylvania |
| 28 | — | None | — | — | — |
| 29 | Michael Dutchak | 45 | Head | Miner | Poland |
| 30 | Pauline Dutchak | 43 | wife | — | Poland |
| 31 | Eugene Dutchak | 18 | son | Bridge Crew | Pennsylvania |
| 32 | Lillian Dutchak | 12 | daughter | — | Pennsylvania |
| 33 | John Lis | 49 | Head | Butcher | Poland |
| 34 | Josephine Lis | 46 | wife | — | Pennsylvania |
| 35 | Gertrude Wroblewski | 24 | daughter | Dunning Inspector | Pennsylvania |
| 36 | Irene Wroblewski | 22 | daughter | Presser | Pennsylvania |
| 37 | Leonard Wroblewski | 18 | son | Masons Helper | Pennsylvania |
| 38 | Stephen Lis | 20 | son | Moulder | New York |
| 39 | Henry Lis | 16 | son | — | Pennsylvania |
| 40 | Henrietta Lis | 15 | daughter | — | Pennsylvania |
Pedigree Summary
Robert + 2 siblings
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)