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Bertha Lewis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rensselaer-County, New York
Our Model Tree links this Bertha Lewis across the 1920, 1930 and 1940 US Censuses in Rensselaer-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1883), then head of a 7-person household.
Age 57
b. ~1883
Female
Spouse
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rensselaer-County, New York |
| Surname | Lewis |
| Given Name | Bertha A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Troy |
| 1935 Residence (County) | Rensselaer |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | N.Y. |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | North Greenbush |
| Est. Birth Year | ~1883 |
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 Bertha | Age | Birth yr |
|---|---|---|---|---|
| George Lewis | Son | — | 25 | ~1915 |
| Bertha Lewis | Spouse | — | 57 | ~1883 |
| Clarence Lewis | Head | — | 57 | ~1883 |
| Joyce Osgood | Daughter | — | 20 | ~1920 |
| Sandra Osgood | Daughter | — | 1 | ~1939 |
| Oscar Osgood | Other | — | 20 | ~1920 |
| Paul Lewis | Son | — | 15 | ~1925 |
Census Appearances
1920
Rensselaer, New …
Spouse, age 37
Rensselaer, New York · implied b. ~1883 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Bertha A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Canada |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Rensselaer, New …
Spouse, age 47
Rensselaer, New York · implied b. ~1883 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Bertha A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 20 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Rensselaer-County, New …
Spouse, age 57
Rensselaer-County, New York · implied b. ~1883 — 7 household members
| Surname | Lewis |
| Given Name | Bertha A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Troy |
| 1935 Residence (County) | Rensselaer |
| Highest Grade | No 6 |
| 1935 Residence | N.Y. |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Bertha Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Bertha Lewis
Spouse · 1940 · age 57 · b. ~1883 · New York
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Rensselaer-County, New York
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1940 US Federal Census — Rensselaer-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02756-00597)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles A. Lisle | 60 | Head | Salesman | England |
| 2 | Elizabeth C. Lisle | 60 | Wife | — | New York |
| 3 | John H. Lisle | 25 | Son | Sales Promotion | New York |
| 4 | John W. Claydon | 34 | Head | Bookkeeper | New York |
| 5 | Madalene M. Claydon | 30 | Wife | — | Pennsylvania |
| 6 | Richard W. Claydon | 2 | Son | — | New York |
| 7 | John C. Claydon | 0 | Son | — | New York |
| 8 | Lula F. Ralston | 62 | Mother | Housekeeper | Pennsylvania |
| 9 | Earl S. Ralston | 40 | Roomer | Machine Helper | New York |
| 10 | John W. Alber | 40 | Head | Restaurant Owner | New York |
| 11 | Marea Alber | 34 | Wife | Helper | New York |
| 12 | Joan E. Alber | 9 | Daughter | — | New York |
| 13 | Beverly A. Alber | 7 | Daughter | — | New York |
| 14 | Joseph P. Ryan | 51 | Head | Machinist | New York |
| 15 | Mary T. Ryan | 58 | Wife | — | England |
| 16 | John T. Ryan | 15 | Son | — | New York |
| 17 | Helena M. Ryan | 11 | Daughter | — | New York |
| 18 | Robert E. Ryan | 10 | Son | — | New York |
| 19 | Edward M. Ryan | 8 | Son | — | New York |
| 20 | Harry F. Nelson | 37 | Head | Mechanical Inspector | Connecticut |
| 21 | Martha B. Nelson | 35 | Wife | — | New York |
| 22 | Henry Kuhly | 77 | Head | Machine Operator | Germany |
| 23 | Marie T. Kuhly | 74 | Wife | — | Germany |
| 24 | Clarence H. Lewis | 57 | Head | Millwright | New York |
| 25 | Bertha A. Lewis THIS PERSON | 57 | Wife | — | New York |
| 26 | George A. Lewis | 25 | Son | New Worker | New York |
| 27 | Paul Lewis | 15 | Son | — | New York |
| 28 | Joyce Osgood | 20 | Daughter | — | New York |
| 29 | Oscar L. Osgood | 20 | Son-in-law | Brush Dipper | New York |
| 30 | Sandra J. Osgood | 1 | Daughter | — | New York |
| 31 | Charles W. Barnes | 36 | Head | Salesman | New York |
| 32 | Margaret R. Barnes | 35 | Wife | Teacher | New York |
| 33 | Bernard J. Reilly | 65 | Father-in-law | Puddler | Irish Free State |
| 34 | Ellen M. Reilly | 63 | Mother-in-law | — | Irish Free State |
| 35 | Eveline E. Kiell | 56 | Head | Housekeeper | Massachusetts |
| 36 | James J. Mccaulley | 36 | Head | Printer Foreman | New York |
| 37 | Dorothy E. Mccaulley | 35 | Wife | Comptometer Operator | New York |
| 38 | Mary Rose Mccaulley | 3 | Daughter | — | New York |
| 39 | — | None | — | — | — |
| 40 | — | None | — | — | — |
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)