CR
Charles Robertson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Nassau-County, New York
Our Model Tree links this Charles Robertson across the 1930 and 1940 US Censuses in Nassau-County, New York (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 8-person household.
Age 27
b. ~1913
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Nassau-County, New York |
| Surname | Robertson |
| Given Name | Charles B. Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Rockville Centre |
| 1935 Residence (County) | Nassau |
| Additional Details | |
| Occupation | Investigator |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2000 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Investigator |
| Township / Ward | Rockville Centre |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| George Robertson | Son | — | 14 | ~1926 |
| Paul Kantz | Other | — | 26 | ~1914 |
| Kenneth Robertson | Son | — | 15 | ~1925 |
| Charles Robertson | Head | — | 58 | ~1882 |
| Bruce Robertson | Son | — | 21 | ~1919 |
| Mae Robertson | Spouse | — | 52 | ~1888 |
| Charles Robertson | Son | — | 27 | ~1913 |
| Janet Kantz | Daughter | — | 24 | ~1916 |
Census Appearances
1930
Nassau, New …
Son, age 16
Nassau, New York · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | Charles E. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Nassau-County, New …
Son, age 27
Nassau-County, New York · implied b. ~1913 — 8 household members
| Surname | Robertson |
| Given Name | Charles B. Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Rockville Centre |
| 1935 Residence (County) | Nassau |
| Occupation | Investigator |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 2000 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 Robertson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Charles Robertson
Son · 1940 · age 27 · b. ~1913 · New York
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Sibling
George Robertson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bruce Robertson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Robertson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Janet Kantz
Sibling · 1940 · age 24
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 — Nassau-County, New York
Open full size
1940 US Federal Census — Nassau-County, New York
Page Contents
17 people indexed on this census page (nara:1940:m-t0627-02686-00824)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anthony Brunetta | 9 | son | — | New York |
| 42 | Joseph Brunetta | 7 | son | — | New York |
| 43 | Charles B. Robertson | 58 | Head | Salesman | New York |
| 44 | Mae O. Robertson | 52 | Wife | — | New York |
| 45 | Charles B. Jr. Robertson THIS PERSON | 27 | son | Investigator | New York |
| 46 | Bruce Robertson | 21 | son | Clerk | New York |
| 47 | Kenneth Robertson | 15 | son | Helper | New York |
| 48 | George Robertson | 14 | son | — | New York |
| 49 | Paul Kantz | 26 | son in law | Painter | Maryland |
| 50 | Janet Kantz | 24 | daughter | Operator | New York |
| 51 | Peter Ramo | 56 | Head | Barber | Italy |
| 52 | Lena Ramo | 55 | Wife | — | Italy |
| 53 | Joseph Ramo | 26 | son | Clerk | New York |
| 54 | John Ramo | 24 | son | Clerk | New York |
| 55 | Anthony Piscitelli | 13 | Lodger | — | New York |
| 56 | Henry Ohland | 64 | Head | Butcher | Germany |
| 57 | Anna Ohland | 64 | Wife | Cashier | 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)