JD
James Donnelly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kings-County, New York
Our Model Tree links this James Donnelly across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed), with identified parents Thomas & Mary — first a son (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Donnelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | N.Y.C. Brooklyn |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | Machine Op. |
| Industry | Cans |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1000 |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Machine Op. |
| Township / Ward | Nyc Brooklyn |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| Joan Donnelly | Daughter | — | 8 | ~1932 |
| James Donnelly | Son | — | 23 | ~1917 |
| Edna Donnelly | Daughter | — | 17 | ~1923 |
| James Donnelly | Head | — | 47 | ~1893 |
| Eileen Donnelly | Daughter | — | 13 | ~1927 |
| Mary Donnelly | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Kings, New …
Son, age 1
Kings, New York · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| 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
Kings, New …
Son, age 12
Kings, New York · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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
Kings-County, New …
Son, age 23
Kings-County, New York · implied b. ~1917 — 6 household members
| Surname | Donnelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | N.Y.C. Brooklyn |
| 1935 Residence (County) | Kings |
| Occupation | Machine Op. |
| Industry | Cans |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1000 |
| Highest Grade | H 2 |
| 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 James Donnelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Donnelly (~0.92 confidence) and mother Mary Donnelly (~0.92 confidence) and father James Donnelly (~0.92 confidence) and father James Donnelly (~0.92 confidence) and mother Mary Donnelly (~0.92 confidence) and mother Mary Donnelly (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Donnelly
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Mary Donnelly
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
James Donnelly
b. ~1893
Source father
● Household
· direct · ~0.92
Father
James Donnelly
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Mary Donnelly
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Mary Donnelly
b. ~1900
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Donnelly
Son · 1940 · age 23 · b. ~1917 · New York
★ You are viewing this record
Sibling
Edna Donnelly
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Donnelly
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eileen Donnelly
Sibling · 1940 · age 13
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
40 people indexed on this census page (nara:1940:m-t0627-02571-00503)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Erik Linderwald | 41 | Head | Motorman | Norway |
| 42 | Petra Linderwald | 35 | Wife | — | Norway |
| 43 | John Linderwald | 13 | Son | — | Norway |
| 44 | Odd Linderwald | 9 | Son | — | New York |
| 45 | Paul Linderwald | 4 | Son | — | New York |
| 46 | Edward Linderwald | 1 | Son | — | New York |
| 47 | William Endreson | 34 | Head | Switchman | New York |
| 48 | Pauline Endreson | 26 | Wife | — | New York |
| 49 | Joseph Endreson | 12 | Son | — | New York |
| 50 | Dorothy Endreson | 6 | Daughter | — | New York |
| 51 | William Jr. Endreson | 3 | Son | — | New York |
| 52 | Anna Miedersen | 62 | Mother-in-law | — | New York |
| 53 | Thomas Spellman | 39 | Head | Elevator Op. | New York |
| 54 | Edith Spellman | 32 | Wife | — | New York |
| 55 | Dennis Spellman | 14 | Son | — | New York |
| 56 | Mary Fibish | 40 | Sister-in-law | — | New York |
| 57 | Mary Fibish | 19 | Niece | Waitress | New York |
| 58 | John Di Luca | 28 | Head | Truck Driver | New York |
| 59 | Dorothy Di Luca | 32 | Wife | — | New York |
| 60 | John Di Luca | 2 | Son | — | New York |
| 61 | Elizabeth Di Luca | 0 | Daughter | — | New York |
| 62 | Joseph Di Luca | 52 | Head | Laborer | New York |
| 63 | Sadie Di Luca | 47 | Wife | — | New York |
| 64 | Pauline Di Luca | 17 | Daughter | — | New York |
| 65 | Margaret Di Luca | 15 | Daughter | — | New York |
| 66 | James Donnelly | 47 | Head | Routeman | New York |
| 67 | Mary Donnelly | 43 | Wife | — | New York |
| 68 | James Donnelly THIS PERSON | 23 | Son | Machine Op. | New York |
| 69 | Edna Donnelly | 17 | Daughter | Wrapper | New York |
| 70 | Eileen Donnelly | 13 | Daughter | — | New York |
| 71 | Joan Donnelly | 8 | Daughter | — | New York |
| 72 | Freda Ringgren | 47 | Head | — | Norway |
| 73 | Oscar Brittle | 37 | Lodger | Carpenter Helper | Norway |
| 74 | James Aarsand | 33 | Lodger | Salesman | Norway |
| 75 | John Richmond | 58 | Head | Fireman | New York |
| 76 | Helen Richmond | 50 | Wife | — | New York |
| 77 | Helen Richmond | 15 | Daughter | — | New York |
| 78 | Thomas Richmond | 34 | Head | City Fireman | New York |
| 79 | Helen V. Richmond | 36 | Wife | — | New York |
| 80 | Jane A. Richmond | 10 | Daughter | — | New York |
Pedigree Summary
James + 3 siblings
Gen 1 · 6 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)