RC
Robert Curtis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lackawanna-County, Pennsylvania
Our Model Tree links this Robert Curtis across the 1930 and 1940 US Censuses in Lackawanna-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 8-person household.
Age 17
b. ~1923
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lackawanna-County, Pennsylvania |
| Surname | CURTIS |
| Given Name | ROBERT L. |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Carbondale |
| 1935 Residence (County) | Lackawanna |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | S 1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Carbondale |
| Est. Birth Year | ~1923 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Beatrice Curtis | Spouse | — | 42 | ~1898 |
| Robert Curtis | Son | — | 17 | ~1923 |
| Jack Curtis | Son | — | 19 | ~1921 |
| Leonard Curtis | Head | — | 45 | ~1895 |
| Donald Curtis | Son | — | 15 | ~1925 |
| Betty Curtis | Daughter | — | 9 | ~1931 |
| Leonard Curtis | Son | — | 20 | ~1920 |
| Minnie Hick | Other | — | 72 | ~1868 |
Census Appearances
1930
Lackawanna, Pennsylvania
Son, age 7
Lackawanna, Pennsylvania · implied b. ~1923 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Curtis |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| 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
Lackawanna-County, Pennsylvania
Son, age 17
Lackawanna-County, Pennsylvania · implied b. ~1923 — 8 household members
| Surname | CURTIS |
| Given Name | ROBERT L. |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Carbondale |
| 1935 Residence (County) | Lackawanna |
| Income (1939) | 0 |
| Highest Grade | S 1 |
| 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 Robert Curtis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Curtis
Son · 1940 · age 17 · b. ~1923 · Pennsylvania
★ You are viewing this record
Sibling
Leonard Curtis
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Curtis
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Curtis
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Curtis
Sibling · 1940 · age 9
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-t0627-03522-00787)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fred M. Wright | 43 | HEAD | Salesman | PENNSYLVANIA |
| 42 | Louella Wright | 52 | WIFE | — | PENNSYLVANIA |
| 43 | Grace Wright | 23 | DAUGHTER | Houseworker | PENNSYLVANIA |
| 44 | Irene Van Luven | 10 | NIECE | — | PENNSYLVANIA |
| 45 | Robert J. Wright | 29 | HEAD | Laborer | PENNSYLVANIA |
| 46 | Helen Wright | 24 | WIFE | — | PENNSYLVANIA |
| 47 | Dorothea Wright | 1 | DAUGHTER | — | PENNSYLVANIA |
| 48 | Andrew Kominak | 57 | HEAD | Miner | SLOVAKIA |
| 49 | Sophie Kominak | 49 | WIFE | — | SLOVAKIA |
| 50 | Andrew Kominak | 26 | SON | Laborer | MASSACHUSETTS |
| 51 | John, Ab. Kominak | 23 | SON | Waiter | PENNSYLVANIA |
| 52 | Mary Kominak | 10 | DAUGHTER | — | PENNSYLVANIA |
| 53 | Cecil Dawes | 33 | HEAD | Laborer | PENNSYLVANIA |
| 54 | Marie Dawes | 31 | WIFE | — | PENNSYLVANIA |
| 55 | William Dawes | 8 | SON | — | PENNSYLVANIA |
| 56 | Donald Dawes | 5 | SON | — | PENNSYLVANIA |
| 57 | George W. King | 58 | HEAD | Laborer | NEW YORK |
| 58 | George Wood | 28 | HEAD | Laborer | PENNSYLVANIA |
| 59 | Marian Wood | 21 | WIFE | — | PENNSYLVANIA |
| 60 | Florence Wood | 3 | DAUGHTER | — | PENNSYLVANIA |
| 61 | Leonard L. Curtis | 45 | HEAD | Breaker Foreman | PENNSYLVANIA |
| 62 | Beatrice Curtis | 42 | WIFE | — | Pennsylvania |
| 63 | Leonard S. Curtis | 20 | SON | Handy Man | Pennsylvania |
| 64 | Jack H. Curtis | 19 | SON | — | Pennsylvania |
| 65 | Robert L. Curtis THIS PERSON | 17 | SON | — | Pennsylvania |
| 66 | Donald L. Curtis | 15 | SON | — | Pennsylvania |
| 67 | Betty Jane Curtis | 9 | DAUGHTER | — | Pennsylvania |
| 68 | Minnie Hick | 72 | MOTHER-IN-LAW | — | ENGLAND |
| 69 | Herman Waibel | 53 | HEAD | Locomotive Oiler | PENNSYLVANIA |
| 70 | Mildred Waibel | 42 | WIFE | — | PENNSYLVANIA |
| 71 | Donald Waibel | 20 | SON | Laborer | Pennsylvania |
| 72 | Marjorie Waibel | 17 | DAUGHTER | — | Pennsylvania |
| 73 | Herman Waibel | 16 | SON | — | Pennsylvania |
| 74 | Robert Waibel | 14 | SON | — | PENNSYLVANIA |
| 75 | Michael Syron | 60 | HEAD | — | NORTHERN IRELAND |
| 76 | Helen Syron | 33 | DAUGHTER | — | Pennsylvania |
| 77 | Florence Syron | 31 | DAUGHTER | General Office Worker | Pennsylvania |
| 78 | Joseph Norton | 42 | SON-IN-LAW | Embalmer | Pennsylvania |
| 79 | Mary Norton | 35 | DAUGHTER | Secretary | Pennsylvania |
| 80 | Katherine Swingle | 37 | HEAD | — | 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)