ML
Mildred Lewis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Mildred Lewis across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 4-person household.
Age 40
b. ~1900
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Lewis |
| Given Name | Mildred G. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Coraopolis |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Moon Township |
| Est. Birth Year | ~1900 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| Mildred Lewis | Spouse | — | 40 | ~1900 |
| Clarence Lewis | Head | — | 43 | ~1897 |
| Kenneth Lewis | Son | — | 13 | ~1927 |
| Roger Lewis | Son | — | 13 | ~1927 |
Census Appearances
1920
Allegheny, Pennsylvania
Spouse, age 21
Allegheny, Pennsylvania · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Mildred |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| 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
Allegheny, Pennsylvania
Other, age 31
Allegheny, Pennsylvania · implied b. ~1899 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Mildred M. |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Spouse, age 40
Allegheny-County, Pennsylvania · implied b. ~1900 — 4 household members
| Surname | Lewis |
| Given Name | Mildred G. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Coraopolis |
| 1935 Residence (County) | Allegheny |
| Hours Worked | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Pennsylvania |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mildred Lewis
Spouse · 1940 · age 40 · b. ~1900 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03411-00293)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wesley Cont'D | 23 | Head | — | Pennsylvania |
| 2 | Caroline Cont'D | 1 | Daughter | — | Pennsylvania |
| 3 | Charles Cont'D | 5 | Son | — | Pennsylvania |
| 4 | George Cont'D | 2 | Son | — | Pennsylvania |
| 5 | John Cont'D | 0 | Son | — | Pennsylvania |
| 6 | John Conrad Seifert | 25 | Head | Coal Miner | Pennsylvania |
| 7 | Katheryn Seifert | 24 | Wife | — | Pennsylvania |
| 8 | Ruth Seifert | 4 | Daughter | — | Pennsylvania |
| 9 | Linda Lee Seifert | 0 | Daughter | — | Pennsylvania |
| 10 | William Gordon | 38 | Head | Installer-Repairman | Pennsylvania |
| 11 | Ola Gordon | 38 | Wife | — | Pennsylvania |
| 12 | William Jr. Gordon | 8 | Son | — | Pennsylvania |
| 13 | Gary Gordon | 1 | Son | — | Pennsylvania |
| 14 | Robert G. Gordon | 32 | Head | Repairman | Pennsylvania |
| 15 | Eilo Mae Gordon | 30 | Wife | — | Pennsylvania |
| 16 | Eilo Mae Gordon | 2 | Daughter | — | Pennsylvania |
| 17 | Clarence Lewis | 43 | Head | Receiving Clerk | Pennsylvania |
| 18 | Mildred G. Lewis THIS PERSON | 40 | Wife | — | Pennsylvania |
| 19 | Roger Lewis | 13 | Son | — | Pennsylvania |
| 20 | Kenneth Lewis | 13 | Son | — | Pennsylvania |
| 21 | Lewis Walker | 38 | Head | Hauling | Pennsylvania |
| 22 | Anna Walker | 29 | Wife | — | Pennsylvania |
| 23 | Eleanor Walker | 8 | Daughter | — | Pennsylvania |
| 24 | Bruce Lewis Walker | 5 | Son | — | Pennsylvania |
| 25 | Geraldine Walker | 3 | Daughter | — | Pennsylvania |
| 26 | Mary Jane Walker | 2 | Daughter | — | Pennsylvania |
| 27 | John Oehling | 61 | Head | Carpenter | Pennsylvania |
| 28 | Delah Oehling | 51 | Wife | — | Pennsylvania |
| 29 | Harold Oehling | 31 | Son | Craneman | Pennsylvania |
| 30 | Marian Oehling | 27 | Daughter-in-law | — | Pennsylvania |
| 31 | David A. Kennedy | 46 | Head | Private Contractor | Pennsylvania |
| 32 | Mildred Kennedy | 41 | Wife | — | Pennsylvania |
| 33 | Ruth Kennedy | 17 | Daughter | — | Pennsylvania |
| 34 | David Kennedy | 14 | Son | Newspaper Boy | Pennsylvania |
| 35 | John Kennedy | 10 | Son | — | Pennsylvania |
| 36 | J. Herbert Brooks | 30 | Head | School Principal | Pennsylvania |
| 37 | Sarah Angel Brooks | 25 | Wife | Public School Teacher | Pennsylvania |
| 38 | Daniel J. Brooks | 0 | Son | — | Pennsylvania |
| 39 | Marion Bailey | 43 | Head | Puffer-Filler | Pennsylvania |
| 40 | Anna Bailey | 39 | Wife | — | 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)