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Mildred Lewis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Indiana-County, Pennsylvania
Our Model Tree links this Mildred Lewis across the 1930 and 1940 US Censuses in Indiana-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 9-person household.
Age 18
b. ~1922
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Indiana-County, Pennsylvania |
| Surname | Lewis |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Commodore |
| 1935 Residence (County) | Indiana |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Commodore |
| Est. Birth Year | ~1922 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| John Lewis | Son | — | 9 | ~1931 |
| Genevieve Lewis | Daughter | — | 6 | ~1934 |
| Mary Lewis | Daughter | — | 12 | ~1928 |
| Gertrude Lewis | Daughter | — | 16 | ~1924 |
| Lizzie Johnson | Other | — | 78 | ~1862 |
| Mildred Lewis | Daughter | — | 18 | ~1922 |
| Leonard Lewis | Son | — | 20 | ~1920 |
| Howard Lewis | Head | — | 50 | ~1890 |
| Esther Lewis | Spouse | — | 47 | ~1893 |
Census Appearances
1930
Indiana, Pennsylvania
Daughter, age 9
Indiana, Pennsylvania · implied b. ~1921 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Mildred N. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| 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
Indiana-County, Pennsylvania
Daughter, age 18
Indiana-County, Pennsylvania · implied b. ~1922 — 9 household members
| Surname | Lewis |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Commodore |
| 1935 Residence (County) | Indiana |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 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 Mildred Lewis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mildred Lewis
Daughter · 1940 · age 18 · b. ~1922 · Pennsylvania
★ You are viewing this record
Sibling
Genevieve Lewis
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Lewis
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Lewis
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonard Lewis
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Lewis
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 — Indiana-County, Pennsylvania
Open full size
1940 US Federal Census — Indiana-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03517-00422)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harold Fleming | 15 | Son | — | Pennsylvania |
| 42 | Delmar Fleming | 5 | Son | — | Pennsylvania |
| 43 | Dickie Fleming | 3 | Son | — | Pennsylvania |
| 44 | Jake Gates | 26 | Head | Laborer | Pennsylvania |
| 45 | Eda Gates | 27 | Wife | — | Pennsylvania |
| 46 | Thomas C. Gates | 2 | Son | — | Pennsylvania |
| 47 | Jacob Frantz | 54 | Head | Assistant Foreman | Russia |
| 48 | Anna Frantz | 48 | Wife | — | Pennsylvania |
| 49 | June Frantz | 22 | Daughter | — | Pennsylvania |
| 50 | Harold Frantz | 21 | Son | Miner | Pennsylvania |
| 51 | Kenneth Frantz | 19 | Son | — | Pennsylvania |
| 52 | Elden Frantz | 17 | Son | — | Pennsylvania |
| 53 | Jacob Frantz | 16 | Son | — | Pennsylvania |
| 54 | Robert Frantz | 13 | Son | — | Pennsylvania |
| 55 | Billy Frantz | 12 | Son | — | Pennsylvania |
| 56 | Charles Peterson | 56 | Head | Miner | Pennsylvania |
| 57 | Agnes Peterson | 47 | Wife | — | Pennsylvania |
| 58 | Phyllis Peterson | 17 | Daughter | — | Pennsylvania |
| 59 | Carl Peterson | 11 | Son | — | Pennsylvania |
| 60 | Charles Johnson | 44 | Head | Miner | Pennsylvania |
| 61 | Violet Johnson | 40 | Wife | — | Pennsylvania |
| 62 | Alice Johnson | 19 | Daughter | — | Pennsylvania |
| 63 | Gladys Johnson | 17 | Daughter | — | Pennsylvania |
| 64 | Charles Johnson | 8 | Son | — | Pennsylvania |
| 65 | Harry Dishong | 34 | Head | Miner | Pennsylvania |
| 66 | Ethel Dishong | 29 | Wife | — | Pennsylvania |
| 67 | Edward Dishong | 8 | Son | — | Pennsylvania |
| 68 | Esther Mae Dishong | 5 | Daughter | — | Pennsylvania |
| 69 | Isabelle Bouch | 18 | Sister-in-law | — | Pennsylvania |
| 70 | Howard Lewis | 50 | Head | Miner | Pennsylvania |
| 71 | Esther Lewis | 47 | Wife | — | Pennsylvania |
| 72 | Leonard Lewis | 20 | Son | Miner | Pennsylvania |
| 73 | Mildred Lewis THIS PERSON | 18 | Daughter | — | Pennsylvania |
| 74 | Gertrude Lewis | 16 | Daughter | — | Pennsylvania |
| 75 | Mary Jane Lewis | 12 | Daughter | — | Pennsylvania |
| 76 | John Lewis | 9 | Son | — | Pennsylvania |
| 77 | Genevieve Lewis | 6 | Daughter | — | Pennsylvania |
| 78 | Lizzie Johnson | 78 | Aunt | — | Pennsylvania |
| 79 | Mina Rainey | 31 | Head | — | Pennsylvania |
| 80 | Mary Rainey | 19 | Daughter | — | 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)