JD
James Dolan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this James Dolan across the 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Dolan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Brooklyn AD 20 |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | Clerk |
| Industry | Law Office |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Clerk |
| Township / Ward | Brooklyn Ad 20 |
| Est. Birth Year | ~1919 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Dolan | Son | — | 21 | ~1919 |
| Mary Dolan | Spouse | — | 40 | ~1900 |
| Mary Dolan | Daughter | — | 20 | ~1920 |
| Vincent Dolan | Son | — | 18 | ~1922 |
| James Dolan | Head | — | 45 | ~1895 |
| Jerome Dolan | Son | — | 9 | ~1931 |
Census Appearances
1930
Kings, New …
Son, age 9
Kings, New York · implied b. ~1921 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dalan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New York |
| 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
Kings-County, New …
Son, age 21
Kings-County, New York · implied b. ~1919 — 6 household members
| Surname | Dolan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Brooklyn AD 20 |
| 1935 Residence (County) | Kings |
| Occupation | Clerk |
| Industry | Law Office |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| Highest Grade | No 6 |
| 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 James Dolan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Dolan
Son · 1940 · age 21 · b. ~1919 · New York
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Sibling
Mary Dolan
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vincent Dolan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerome Dolan
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 — Kings-County, New York
Open full size
1940 US Federal Census — Kings-County, New York
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02609-00934)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marian Gray | 16 | Daughter | — | New York |
| 2 | Anna O'Brien | 63 | Head | — | Irish Free State |
| 3 | James O'Brien | 30 | Son | Agent | New York |
| 4 | Cecelia O'Brien | 28 | Daughter | Clerk | New York |
| 5 | Joseph Craven | 34 | Son-in-law | Bookkeeper | New York |
| 6 | Eileen Craven | 32 | Daughter | — | New York |
| 7 | Karen Craven | 1 | Son | — | New York |
| 8 | Michael Dolan | 34 | Head | Pressman | New York |
| 9 | Marion Dolan | 31 | Wife | — | New York |
| 10 | Mary Ann Dolan | 4 | Daughter | — | New York |
| 11 | Jane Dolan | 1 | Daughter | — | New York |
| 12 | James Dolan | 45 | Head | Auditor | New York |
| 13 | Mary Dolan | 40 | Wife | — | New York |
| 14 | James Dolan THIS PERSON | 21 | Son | Clerk | New York |
| 15 | Mary Ann Dolan | 20 | Daughter | — | New York |
| 16 | Vincent Dolan | 18 | Son | — | New York |
| 17 | Jerome Dolan | 9 | Son | — | New York |
| 18 | Thomas Murtha | 70 | Head | — | Irish Free State |
| 19 | Nicholas Murtha | 39 | Son | Bartender | New York |
| 20 | John Murtha | 37 | Son | Meter Reader | New York |
| 21 | James Murtha | 34 | Son | Bartender | New York |
| 22 | Albert Fires | 49 | Head | — | New York |
| 23 | Ann Fires | 48 | Wife | — | Portugal |
| 24 | Anne Fires | 17 | Daughter | — | New York |
| 25 | Albert Fires | 14 | Son | — | New York |
| 26 | Joseph Roacha | 35 | Head | Laborer | Portugal |
| 27 | Nora Roacha | 31 | Wife | — | New York |
| 28 | Nora Roacha | 6 | Daughter | — | New York |
| 29 | Patricia Roacha | 3 | Daughter | — | New York |
| 30 | Stephen Lopiccolo | 58 | Head | Undertaker | Italy |
| 31 | Anna Lopiccolo | 50 | Wife | — | Italy |
| 32 | Anna Lopiccolo | 19 | Daughter | — | New York |
| 33 | Phillip Lopiccolo | 17 | Son | — | New York |
| 34 | Salvatore Lopiccolo | 53 | Brother | Truck Driver | Italy |
| 35 | Jenny Lopiccolo | 48 | Sister-in-law | — | Italy |
| 36 | Anthony Lopiccolo | 28 | Nephew | Truck Driver | New York |
| 37 | Albert Gibot | 42 | Head | Laborer | New York |
| 38 | Hannah Gibot | 31 | Wife | — | New York |
| 39 | Albert Gibot | 13 | Son | — | New York |
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)