MW
Mary Waters — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Luzerne-County, Pennsylvania
Our Model Tree links this Mary Waters across the 1930 and 1940 US Censuses in Luzerne-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Luzerne-County, Pennsylvania |
| Surname | Waters |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Forty Fort Borough |
| 1935 Residence (County) | Luzerne |
| Additional Details | |
| Occupation | Librarian |
| Industry | Library |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Librarian |
| Township / Ward | Forty Fort Borough |
| Est. Birth Year | ~1919 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Waters | Daughter | — | 21 | ~1919 |
| Catherine Waters | Daughter | — | 13 | ~1927 |
| Katherine Waters | Head | — | 46 | ~1894 |
| Robert Waters | Son | — | 19 | ~1921 |
| John Waters | Son | — | 11 | ~1929 |
| Thomas Waters | Son | — | 17 | ~1923 |
| Joseph Waters | Son | — | 25 | ~1915 |
Census Appearances
1930
Luzerne, Pennsylvania
Daughter, age 11
Luzerne, Pennsylvania · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Waters |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| 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
Luzerne-County, Pennsylvania
Daughter, age 21
Luzerne-County, Pennsylvania · implied b. ~1919 — 7 household members
| Surname | Waters |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Forty Fort Borough |
| 1935 Residence (County) | Luzerne |
| Occupation | Librarian |
| Industry | Library |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H 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 Mary Waters across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Waters
Daughter · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Robert Waters
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Waters
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Waters
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Waters
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Waters
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 — Luzerne-County, Pennsylvania
Open full size
1940 US Federal Census — Luzerne-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03551-00260)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carson Kohl | 9 | Son | — | Pennsylvania |
| 42 | Joseph Barrett | 44 | Head | Machinist | Pennsylvania |
| 43 | Mary Barrett | 34 | Wife | — | Pennsylvania |
| 44 | Robert Barrett | 22 | Son | Driver | Pennsylvania |
| 45 | John Barrett | 20 | Son | Gas Station Attendant | Pennsylvania |
| 46 | Gerard Barrett | 17 | Son | — | Pennsylvania |
| 47 | Betty Barrett | 13 | Daughter | — | Pennsylvania |
| 48 | — | None | — | — | — |
| 49 | Sydney Rundle | 36 | Head | Laboring | Pennsylvania |
| 50 | Bessie Rundle | 36 | Wife | — | Pennsylvania |
| 51 | Sydney Rundle | 17 | Son | Laboring | Pennsylvania |
| 52 | Jack Rundle | 15 | Son | — | Pennsylvania |
| 53 | Pauline Rundle | 11 | Daughter | — | Pennsylvania |
| 54 | Donald Rundle | 6 | Son | — | Pennsylvania |
| 55 | Robert Rundle | 4 | Son | — | Pennsylvania |
| 56 | Ruth Anne Rundle | 2 | Daughter | — | Pennsylvania |
| 57 | Archibald Lindsay | 61 | Head | Miner | Scotland |
| 58 | Elizabeth Lindsay | 68 | Wife | — | Pennsylvania |
| 59 | Alfred De Witt | 42 | Head | Miner | Indiana |
| 60 | Jenny De Witt | 35 | Wife | — | Pennsylvania |
| 61 | Alfred De Witt | 19 | Son | Guard | Indiana |
| 62 | Margaret De Witt | 15 | Daughter | — | Pennsylvania |
| 63 | Alberta De Witt | 12 | Daughter | — | Pennsylvania |
| 64 | Joseph De Witt | 2 | Son | — | Pennsylvania |
| 65 | Katherine Waters | 46 | Head | — | Pennsylvania |
| 66 | Joseph Waters | 25 | Son | Miner | Pennsylvania |
| 67 | Mary Waters THIS PERSON | 21 | Daughter | Librarian | Pennsylvania |
| 68 | Robert Waters | 19 | Son | Janitor | Pennsylvania |
| 69 | Thomas Waters | 17 | Son | Janitor | Pennsylvania |
| 70 | Catherine Waters | 13 | Daughter | — | Pennsylvania |
| 71 | John Waters | 11 | Son | — | Pennsylvania |
| 72 | John Soltis | 39 | Head | — | Pennsylvania |
| 73 | Frances Soltis | 30 | Wife | — | Massachusetts |
| 74 | John Jr. Soltis | 12 | Son | — | Pennsylvania |
| 75 | Dolores Soltis | 9 | Daughter | — | Pennsylvania |
| 76 | Robert Soltis | 7 | Son | — | Pennsylvania |
| 77 | James Soltis | 2 | Son | — | Pennsylvania |
| 78 | William Bicking | 38 | Head | Laborer | Pennsylvania |
| 79 | Effie Bicking | 44 | Wife | — | Pennsylvania |
| 80 | Charles Bicking | 21 | Son | Odd Jobs | 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)