JD
James Donovan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cattaraugus-County, New York
Our Model Tree links this James Donovan across the 1920, 1930 and 1940 US Censuses in Cattaraugus-County, New York (XGBoost, ~Confirmed), with identified parents William & Mary — first a son (b.~1915), then head of a 2-person household.
Age 25
b. ~1915
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cattaraugus-County, New York |
| Surname | Donovan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Olean |
| 1935 Residence (County) | Cattaraugus |
| Additional Details | |
| Occupation | Buffer-Polisher |
| Industry | Plating Co |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 120 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Buffer-Polisher |
| Township / Ward | Olean |
| Est. Birth Year | ~1915 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Donovan | Son | — | 25 | ~1915 |
| Mary Donovan | Head | — | 44 | ~1896 |
Census Appearances
1920
Cattaraugus, New …
Other, age 4
Cattaraugus, New York · implied b. ~1916 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donovan |
| Given Name | James |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| 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
Cattaraugus, New …
Son, age 14
Cattaraugus, New York · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donovan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| 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
Cattaraugus-County, New …
Son, age 25
Cattaraugus-County, New York · implied b. ~1915 — 2 household members
| Surname | Donovan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Olean |
| 1935 Residence (County) | Cattaraugus |
| Occupation | Buffer-Polisher |
| Industry | Plating Co |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 120 |
| Highest Grade | Hs 3 |
| 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 Donovan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Donovan (~0.92 confidence) and mother Mary Donovan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Donovan
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Mary Donovan
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Donovan
Son · 1940 · age 25 · b. ~1915 · New York
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cattaraugus-County, New York
Open full size
1940 US Federal Census — Cattaraugus-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02505-00985)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Fenton | 83 | Father | Retired | Eire |
| 2 | Harry Hesselden | 44 | Head | Salesman | Pennsylvania |
| 3 | Henrietta Hesselden | 52 | Wife | — | New York |
| 4 | Theresa Hesselden | 55 | Wife | — | Pennsylvania |
| 5 | Ernest W. Dario | 26 | Head | Carpenter | New York |
| 6 | Janet Dario | 21 | Wife | Teller-Keeper | New York |
| 7 | Lawrence Johnson | 49 | Head | Butler | Virginia |
| 8 | Sarah Johnson | 40 | Wife | Maid | New York |
| 9 | Mary Mcdonald | 55 | Head | — | Eire |
| 10 | Mary Donovan | 44 | Head | — | New York |
| 11 | James Donovan THIS PERSON | 25 | Son | Buffer-Polisher | New York |
| 12 | Fray Higgins | 53 | Head | Machinist | New York |
| 13 | Barbara Higgins | 47 | Wife | — | Pennsylvania |
| 14 | Jean Higgins | 15 | Daughter | — | Pennsylvania |
| 15 | Margaret Hughes | 45 | Head | Stenographer | New York |
| 16 | Gilbert Hughes | 43 | Head | Electrician | New York |
| 17 | Kathryn Hughes | 42 | Wife | — | New York |
| 18 | Eugene Hughes | 17 | Son | — | New York |
| 19 | Helen Hughes | 14 | Daughter | — | New York |
| 20 | Frank Allison | 57 | Head | Signal Maintainer | New York |
| 21 | Emma Allison | 51 | Wife | — | New York |
| 22 | Jessie Allison | 19 | Daughter | — | New York |
| 23 | Bertha Archie | 60 | Mother-in-law | — | Pennsylvania |
| 24 | Elizabeth Weber | 62 | Head | Saleswoman | Pennsylvania |
| 25 | Olive Weber | 60 | Sister | — | Pennsylvania |
| 26 | Loretta Weber | 52 | Sister | — | Pennsylvania |
| 27 | Lillian Miller | 14 | Niece | — | Pennsylvania |
| 28 | Leo Hughes | 46 | Head | Salesman | New York |
| 29 | Hilda Hughes | 46 | Wife | — | Pennsylvania |
| 30 | Teresa Mcdonald | 43 | Head | Textile Worker | New York |
| 31 | Black Mo Lewis | 29 | Head | — | New York |
| 32 | Francis Ryan | 33 | Head | Draftsman | Pennsylvania |
| 33 | Paula Ryan | 29 | Wife | Stenographer | New York |
| 34 | Ann Ryan | 2 | Daughter | — | New York |
| 35 | Daniel Quinlan | 28 | Head | Superintendent | New York |
| 36 | Bernadette Quinlan | 27 | Wife | — | New York |
| 37 | Daniel Quinlan | 3 | Son | — | New York |
| 38 | Black Mo Lewis | 20 | Head | — | New York |
| 39 | John Corrigan | 61 | Head | Conductor | New York |
| 40 | Elizabeth Corrigan | 60 | Wife | — | New York |
Pedigree Summary
James
Gen 1 · 2 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)