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Charles Davidson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rensselaer-County, New York
Our Model Tree links this Charles Davidson across the 1930 and 1940 US Censuses in Rensselaer-County, New York (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 7-person household.
Age 27
b. ~1913
Male
Son
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rensselaer-County, New York |
| Surname | Davidson |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | East Greenbush |
| 1935 Residence (County) | Renss. |
| Additional Details | |
| Occupation | Knitter |
| Industry | Knitting mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 352 |
| Highest Grade | Hs 2 |
| 1935 Residence | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Knitter |
| Township / Ward | City Of Troy |
| Est. Birth Year | ~1913 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Andrew Cook | Head | — | 66 | ~1874 |
| Charles Davidson | Son | — | 27 | ~1913 |
| Matthew Cook | Son | — | 16 | ~1924 |
| Mary Cook | Spouse | — | 66 | ~1874 |
| Anna Davidson | Daughter | — | 27 | ~1913 |
| Rose Cook | Daughter | — | 22 | ~1918 |
| Joseph Cook | Son | — | 19 | ~1921 |
Census Appearances
1930
Rensselaer, New …
Other, age 18
Rensselaer, New York · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davidson |
| Given Name | Charles G. Jr. |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Machine Operator |
| Industry | Woolen Mills |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Rensselaer-County, New …
Son, age 27
Rensselaer-County, New York · implied b. ~1913 — 7 household members
| Surname | Davidson |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | East Greenbush |
| 1935 Residence (County) | Renss. |
| Occupation | Knitter |
| Industry | Knitting mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 352 |
| Highest Grade | Hs 2 |
| 1935 Residence | New York |
| 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 Charles Davidson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Charles Davidson
Son · 1940 · age 27 · b. ~1913 · New York
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Sibling
Anna Davidson
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Matthew Cook
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Cook
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Cook
Sibling · 1940 · age 22
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 — Rensselaer-County, New York
Open full size
1940 US Federal Census — Rensselaer-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02758-00775)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Broksaw | 26 | Brother | Salesman | New York |
| 2 | Albert Broksaw | 27 | Brother | Salesman | New York |
| 3 | Helen Paris | 35 | Sister | Factory Worker | New York |
| 4 | Helen Buczacki | 13 | Niece | — | New York |
| 5 | Lucy Broksaw | 69 | Mother | — | Poland |
| 6 | John Carroll | 47 | Head | News Dealer | New York |
| 7 | Francis Carroll | 45 | Brother | — | New York |
| 8 | Thomas Ewing | 50 | Head | Laborer | Penna. |
| 9 | Mary Ewing | 41 | Wife | — | Penna. |
| 10 | Ruth Ewing | 19 | Daughter | Hospital Worker | Penna. |
| 11 | Jean Ewing | 8 | Daughter | — | New York |
| 12 | William Derby | 39 | Head | Waiter | New York |
| 13 | Agnes Derby | 38 | Wife | Machine Operator | New York |
| 14 | Catherine Conroy | 40 | Head | Clerk | New York |
| 15 | Donald Conroy | 7 | Son | — | New York |
| 16 | Raymond Conroy | 2 | Son | — | New York |
| 17 | Joyce Conroy | 3 | Daughter | — | New York |
| 18 | Catherine Boushea | 68 | Mother | — | New York |
| 19 | Omit This Line Please | None | — | — | — |
| 20 | Helen Kasperka | 47 | Head | Housekeeper | Poland |
| 21 | John Kasperka | 28 | Son | Laborer | Penna. |
| 22 | Mary Kasperka | 25 | Daughter | Shirt Ironer | Penna. |
| 23 | Alice Kasperka | 23 | Daughter | Salesgirl | Penna. |
| 24 | Anna Kasperka | 20 | Daughter | Telephone Opr. | Penna. |
| 25 | William Kasperka | 14 | Son | — | New York |
| 26 | Patrick Mcgrath | 57 | Head | Shipper | New York |
| 27 | Mary Mcgrath | 52 | Wife | Housework Assistant | New York |
| 28 | Francis Mcgrath | 25 | Son | Custodian | New York |
| 29 | Andrew Cook | 66 | Head | — | Austria |
| 30 | Mary Cook | 66 | Wife | — | Austria |
| 31 | Rose Cook | 22 | Daughter | Laundry Worker | New York |
| 32 | Joseph Cook | 19 | Son | Peddler | New York |
| 33 | Matthew Cook | 16 | Son | — | New York |
| 34 | Charles Davidson THIS PERSON | 27 | Son | Knitter | New York |
| 35 | Anna Davidson | 27 | Daughter | Laundry Worker | New York |
| 36 | William Powalyk | 50 | Head | Laborer | Austria |
| 37 | Jane Powalyk | 26 | Daughter | — | New York |
| 38 | Michael Powalyk | 11 | Son | — | New York |
| 39 | Block 669 And Begins Block 670 Ends | None | — | — | — |
| 40 | Edward Patten | 42 | Head | Chauffeur | New York |
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)