JD
John Dolan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Westchester-County, New York
Our Model Tree links this John Dolan across the 1930 and 1940 US Censuses in Westchester-County, New York (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 10-person household.
Age 19
b. ~1921
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Westchester-County, New York |
| Surname | Dolan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Mamaroneck Village |
| 1935 Residence (County) | Westchester |
| Additional Details | |
| Highest Grade | H-3 |
| 1935 Residence | Same Place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Mamaroneck Village |
| Est. Birth Year | ~1921 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Frederick Gaehle | Other | — | 53 | ~1887 |
| Frederick Gaehle | Other | — | 15 | ~1925 |
| Martha Dolan | Daughter | — | 13 | ~1927 |
| John Dolan | Son | — | 19 | ~1921 |
| Catherine Dolan | Daughter | — | 16 | ~1924 |
| Edward Dolan | Head | — | 50 | ~1890 |
| Beatrice Dolan | Daughter | — | 16 | ~1924 |
| Edward Dolan | Son | — | 16 | ~1924 |
| Joseph Dolan | Son | — | 20 | ~1920 |
| Meta Dolan | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Westchester, New …
Son, age 9
Westchester, New York · implied b. ~1921 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dolan |
| Given Name | John Patrick |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | New York |
| Mother's Birthplace | Tyrone Ireland |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Westchester-County, New …
Son, age 19
Westchester-County, New York · implied b. ~1921 — 10 household members
| Surname | Dolan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Mamaroneck Village |
| 1935 Residence (County) | Westchester |
| Highest Grade | H-3 |
| 1935 Residence | Same Place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 John Dolan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Dolan
Son · 1940 · age 19 · b. ~1921 · New York
★ You are viewing this record
Sibling
Catherine Dolan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Dolan
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Dolan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Dolan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Dolan
Sibling · 1940 · age 20
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 — Westchester-County, New York
Open full size
1940 US Federal Census — Westchester-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02805-00339)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David Britt | 46 | Head | Chauffeur | New York |
| 2 | Blanche Britt | 42 | Wife | — | New Jersey |
| 3 | Naomi E. Britt | 25 | Daughter | — | New York |
| 4 | Timothy Britt | 24 | Son-in-law | Mechanic | Mass |
| 5 | Jean D. Britt | 20 | Daughter | — | New York |
| 6 | Louise Britt | 74 | Mother | — | New York |
| 7 | Amiel Banach | 52 | Head | Letter Carrier | New York |
| 8 | Agnes Banach | 60 | Wife | — | England |
| 9 | Edward Dolan | 50 | Head | Plumber | New York |
| 10 | Meta D. Dolan | 43 | Wife | — | Rhode Island |
| 11 | Joseph Dolan | 20 | Son | Attendant | Virginia |
| 12 | John Dolan THIS PERSON | 19 | Son | — | South Carolina |
| 13 | Edward Dolan | 16 | Son | — | South Carolina |
| 14 | Catherine Dolan | 16 | Daughter | — | South Carolina |
| 15 | Beatrice Dolan | 16 | Daughter | — | South Carolina |
| 16 | Martha Dolan | 13 | Daughter | — | New York |
| 17 | Frederick Gaehle | 53 | Lodger | Painter | Germany |
| 18 | Frederick Gaehle | 15 | Lodger | — | Germany |
| 19 | Vito Sezzi | 26 | Head | Asst Golf Pro | New York |
| 20 | Antoinette Sezzi | 25 | Wife | — | Italy |
| 21 | James Murphy | 49 | Head | Carpenter | New York |
| 22 | Florence Murphy | 41 | Wife | Saleslady | New York |
| 23 | Florence Murphy | 16 | Daughter | — | New York |
| 24 | James Murphy | 13 | Son | — | New York |
| 25 | Herbert Pinney | 32 | Head | Band Director | New York |
| 26 | Kathryn Pinney | 30 | Wife | Substitute Teacher | New York |
| 27 | Diana Pinney | 4 | Daughter | — | New York |
| 28 | Mary Quinn | 59 | Head | — | Poland |
| 29 | Fred Dailinger | 32 | Head | Bank Teller | New York |
| 30 | Marie Dailinger | 31 | Wife | Bookkeeper | New York |
| 31 | Margaret Dailinger | 0 | Daughter | — | New York |
| 32 | Edgar W. Dodge | 54 | Head | Credit Man | Wisconsin |
| 33 | Agnes S. Dodge | 52 | Wife | — | Wisconsin |
| 34 | Edgar S. Jr. Dodge | 27 | Son | Clerical Clerk | Wisconsin |
| 35 | Florence Dodge | 24 | Daughter-in-law | Saleslady | Wisconsin |
| 36 | Martha Smith | 85 | Mother-in-law | — | Wisconsin |
| 37 | Rose Jefferson | 52 | Head | — | New York |
| 38 | Florence Jefferson | 27 | Daughter | Laundress | New York |
| 39 | Jack Jefferson | 18 | Son | — | New York |
| 40 | Theresa Jefferson | 15 | Daughter | — | 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)