JD
John Donovan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kings-County, New York
Our Model Tree links this John Donovan across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1913), then head of a 4-person household.
Age 27
b. ~1913
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Donovan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | Cook |
| Industry | Bar & Grill |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 320 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Cook |
| Township / Ward | New York |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Donovan | Daughter | — | 28 | ~1912 |
| Patrick Donovan | Head | — | 51 | ~1889 |
| Elizabeth Pease | Other | — | 73 | ~1867 |
| John Donovan | Son | — | 27 | ~1913 |
Census Appearances
1920
New York, …
Son, age 6
New York, New York · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donovan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
New York, …
Son, age 16
New York, New York · implied b. ~1914 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donovan |
| Given Name | John |
| 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 |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Son, age 27
Kings-County, New York · implied b. ~1913 — 4 household members
| Surname | Donovan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Kings |
| Occupation | Cook |
| Industry | Bar & Grill |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 320 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 John Donovan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Donovan (~0.92 confidence) and father John Donovan (~0.92 confidence) and father Patrick Donovan (~0.92 confidence) and mother Anna Donovan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Donovan
b. ~1873
Source father
● Household
· direct · ~0.92
Father
John Donovan
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Patrick Donovan
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Anna Donovan
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Donovan
Son · 1940 · age 27 · b. ~1913 · New York
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Sibling
Mary Donovan
Sibling · 1940 · age 28
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
38 people indexed on this census page (nara:1940:m-t0627-02554-00304)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Mcgowan | 5 | Daughter | — | New York |
| 2 | John Mcgowan | 4 | Son | — | New York |
| 3 | Catherine Mcgowan | 2 | Daughter | — | New York |
| 4 | Michael Freerick | 77 | Uncle | — | Irish Free State |
| 5 | Patrick J. Callaghan | 42 | Head | Head Porter | Irish Free State |
| 6 | Ellen R. Callaghan | 47 | Wife | — | Irish Free State |
| 7 | Eleanor Callaghan | 14 | Daughter | — | New York |
| 8 | Margaret Callaghan | 13 | Daughter | — | New York |
| 9 | Edward Callaghan | 10 | Son | — | New York |
| 10 | Patricia Callaghan | 10 | Daughter | — | New York |
| 11 | Edward Hynee | 73 | Head | 250 Conductor | England |
| 12 | Margaret Hynee | 72 | Wife | — | Irish Free State |
| 13 | Francis Murphy | 34 | Head | Clerk | New York |
| 14 | Elaine Murphy | 25 | Wife | — | New York |
| 15 | Francis Murphy | 2 | Son | — | New York |
| 16 | Maureen Murphy | 1 | Daughter | — | New York |
| 17 | David J. Tiernan | 46 | Head | Head Of Stenographic | New York |
| 18 | Madeline M. Tiernan | 36 | Wife | — | New York |
| 19 | Geraldine Dawson | 10 | Step Daughter | — | New York |
| 20 | Marie M. Tiernan | 2 | Daughter | — | New York |
| 21 | Robert Readgoff | 53 | Head | Accountant Cpa | New York |
| 22 | Mildred Readgoff | 50 | Wife | — | Connecticut |
| 23 | Mildred Readgoff | 17 | Daughter | — | New York |
| 24 | John Joseph Mcgrath | 49 | Head | Money Order Clerk | New York |
| 25 | Grace Mcgrath | 38 | Wife | — | New York |
| 26 | Dolores Mcgrath | 14 | Daughter | — | New York |
| 27 | Rosemary Mcgrath | 12 | Daughter | — | New York |
| 28 | James J. Mcgrath | 8 | Son | — | New York |
| 29 | Therese Mcgrath | 0 | Daughter | — | New York |
| 30 | Patrick Dunnigan | 76 | Father in Law | — | New York |
| 31 | John D. Thomas | 27 | Head | Salesman | New York |
| 32 | Edna M. Thomas | 24 | Wife | Nurse & Secretary | New York |
| 33 | Andrew Mckibbin | 55 | Head | Assistant Foreman | New York |
| 34 | Helen Mckibbin | 56 | Wife | — | Austria |
| 35 | Patrick Donovan | 51 | Head | Port Owner Operator | New York |
| 36 | Mary Donovan | 28 | Daughter | Clerk | New York |
| 37 | John Donovan THIS PERSON | 27 | Son | Cook | New York |
| 38 | Elizabeth Pease | 73 | Aunt | — | New York |
Pedigree Summary
John + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)