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Robert Lucas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lackawanna-County, Pennsylvania
Our Model Tree links this Robert Lucas across the 1930 and 1940 US Censuses in Lackawanna-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 11-person household.
Age 10
b. ~1930
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lackawanna-County, Pennsylvania |
| Surname | Lucas |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Archbald |
| 1935 Residence (County) | Lackawanna |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Archbald |
| Est. Birth Year | ~1930 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Harold Lucas | Son | — | 11 | ~1929 |
| John Lucas | Son | — | 5 | ~1935 |
| Elizabeth Lucas | Spouse | — | 45 | ~1895 |
| Walter Lucas | Son | — | 16 | ~1924 |
| William Lucas | Son | — | 2 | ~1938 |
| Betty Lucas | Daughter | — | 14 | ~1926 |
| Robert Lucas | Son | — | 10 | ~1930 |
| Paul Lucas | Son | — | 20 | ~1920 |
| Walter Lucas | Head | — | 37 | ~1903 |
| Ernest Quist | Other | — | 63 | ~1877 |
| Evelyn Lucas | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Lackawanna, Pennsylvania
Son, age
Lackawanna, Pennsylvania · implied b. ~1930 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lucas |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lackawanna-County, Pennsylvania
Son, age 10
Lackawanna-County, Pennsylvania · implied b. ~1930 — 11 household members
| Surname | Lucas |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Archbald |
| 1935 Residence (County) | Lackawanna |
| Highest Grade | 4 |
| 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 Lucas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Lucas
Son · 1940 · age 10 · b. ~1930 · Pennsylvania
★ You are viewing this record
Sibling
Harold Lucas
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Lucas
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Lucas
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Lucas
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Lucas
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Lucas
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Lucas
Sibling · 1940 · age 5
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-t0627-03522-00238)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eleanor Gearing | 2 | Daughter | — | Pennsylvania |
| 42 | Walter Lucas | 37 | Head | Laborer | Massachusetts |
| 43 | Elizabeth Lucas | 45 | Wife | — | Pennsylvania |
| 44 | Paul Lucas | 20 | Son | Office Boy | Pennsylvania |
| 45 | Evelyn Lucas | 18 | Daughter | New Worker | Pennsylvania |
| 46 | Walter Lucas | 16 | Son | — | Pennsylvania |
| 47 | Betty Lucas | 14 | Daughter | — | Pennsylvania |
| 48 | Harold Lucas | 11 | Son | — | Pennsylvania |
| 49 | Robert Lucas THIS PERSON | 10 | Son | — | Pennsylvania |
| 50 | John Lucas | 5 | Son | — | Pennsylvania |
| 51 | William Lucas | 2 | Son | — | Pennsylvania |
| 52 | Ernest Quist | 63 | Bro-in-law | Laborer | Germany |
| 53 | Sarah Thwaites | 66 | Head | — | England |
| 54 | Daniel Thwaites | 34 | Son | Laborer | Pennsylvania |
| 55 | John Thwaites | 31 | Son | Laborer | Pennsylvania |
| 56 | Eva Thwaites | 27 | Daughter | Saleslady | Pennsylvania |
| 57 | Vincent Lasevicz | 50 | Head | Laborer | Poland |
| 58 | Ursula Lasevicz | 47 | Wife | — | Poland |
| 59 | Walter Lasevicz | 25 | Son | Laborer | Pennsylvania |
| 60 | Regina Lasevicz | 19 | Daughter | Dressmaker | Pennsylvania |
| 61 | Vincent Lasevicz | 20 | Son | Laborer | Pennsylvania |
| 62 | Jane Lasevicz | 24 | Daughter-in-law | — | Pennsylvania |
| 63 | Vincent Lasevicz | 6 | Grandson | — | Pennsylvania |
| 64 | John Lasevicz | 1 | Grandson | — | Pennsylvania |
| 65 | Benjamin Shumski | 56 | Boarder | Laborer | Poland |
| 66 | Henry Vernon | 66 | Head | Laborer | Pennsylvania |
| 67 | Martha Vernon | 55 | Wife | — | Pennsylvania |
| 68 | Francis Vernon | 22 | Son | Truck Driver | Pennsylvania |
| 69 | Rachel Vernon | 20 | Daughter-in-law | — | Pennsylvania |
| 70 | Doris Vernon | 32 | Daughter | — | Pennsylvania |
| 71 | Doris Vernon | 6 | Granddaughter | — | Pennsylvania |
| 72 | William Neman | 34 | Head | Laborer | Pennsylvania |
| 73 | Gertrude Neman | 28 | Wife | — | Pennsylvania |
| 74 | Elva Neman | 7 | Daughter | — | Pennsylvania |
| 75 | Ralph Mcdonnell | 40 | Head | Laborer | Pennsylvania |
| 76 | Barbara Mcdonnell | 38 | Wife | — | Pennsylvania |
| 77 | Ralph Mcdonnell | 14 | Son | — | Pennsylvania |
| 78 | Victor Caines | 29 | Head | Laborer | Pennsylvania |
| 79 | Lena Caines | 27 | Wife | — | Pennsylvania |
| 80 | Peter Housen | 28 | Head | Laborer | Pennsylvania |
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)