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James Donnelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lee-County, Illinois
Our Model Tree links this James Donnelly across the 1930 and 1940 US Censuses in Lee-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1884), then head of a 7-person household.
Age 56
b. ~1884
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lee-County, Illinois |
| Surname | Donnelly |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Amboy City |
| 1935 Residence (County) | Lee |
| Additional Details | |
| Occupation | Policeman |
| Industry | City |
| Class of Worker | GW |
| Hours Worked | 84 |
| Income (1939) | 604 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Policeman |
| Township / Ward | Amboy City |
| Est. Birth Year | ~1884 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Lillian Donnelly | Daughter | — | 14 | ~1926 |
| James Donnelly | Head | — | 56 | ~1884 |
| Alice Donnelly | Daughter | — | 22 | ~1918 |
| Mildred Donnelly | Daughter | — | 17 | ~1923 |
| Dan Donnelly | Son | — | 5 | ~1935 |
| Ethyl Donnelly | Daughter | — | 26 | ~1914 |
| Alice Donnelly | Spouse | — | 48 | ~1892 |
Census Appearances
1930
Lee, Illinois
Head, age 46
Lee, Illinois · implied b. ~1884 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 28 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Section Hand |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Radio Set | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Lee-County, Illinois
Head, age 56
Lee-County, Illinois · implied b. ~1884 — 7 household members
| Surname | Donnelly |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Amboy City |
| 1935 Residence (County) | Lee |
| Occupation | Policeman |
| Industry | City |
| Class of Worker | GW |
| Hours Worked | 84 |
| Income (1939) | 604 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Donnelly
Head · 1940 · age 56 · b. ~1884 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lee-County, Illinois
Open full size
1940 US Federal Census — Lee-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00836-00062)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Donnelly THIS PERSON | 56 | Head | Policeman | Illinois |
| 2 | Alice Donnelly | 48 | Wife | — | Illinois |
| 3 | Ethyl Donnelly | 26 | Daughter | Clerk | Illinois |
| 4 | Alice Donnelly | 22 | Daughter | Stenographer | Illinois |
| 5 | Mildred Donnelly | 17 | Daughter | — | Illinois |
| 6 | Lillian Donnelly | 14 | Daughter | — | Illinois |
| 7 | Dan Donnelly | 5 | Son | — | Illinois |
| 8 | William Langley | 39 | Head | Yard Switchman | Illinois |
| 9 | Ina Langley | 38 | Wife | Beautician | Illinois |
| 10 | Doris Langley | 14 | Daughter | — | Illinois |
| 11 | Marjory Langley | 9 | Daughter | — | Illinois |
| 12 | William Langley | 6 | Son | — | Illinois |
| 13 | Elmer Little | 62 | Head | Plumber | Illinois |
| 14 | Florence Little | 45 | Wife | — | Illinois |
| 15 | George Little | 20 | Son | Laborer | Illinois |
| 16 | Elizabeth Little | 18 | Daughter | Office Worker | Illinois |
| 17 | Stanley Little | 13 | Son | — | Illinois |
| 18 | Elmer Little | 7 | Son | — | Illinois |
| 19 | Charles Powell | 60 | Boarder | — | Illinois |
| 20 | James Dagner | 59 | Head | Service Man | Illinois |
| 21 | Mae Belle Dagner | 57 | Wife | — | Illinois |
| 22 | Howard Holbrook | 47 | Head | — | Illinois |
| 23 | Elsie Holbrook | 39 | Wife | — | Illinois |
| 24 | Gilbert Holbrook | 15 | Son | — | Illinois |
| 25 | Evelyn Holbrook | 13 | Daughter | — | Illinois |
| 26 | Verna Holbrook | 12 | Daughter | — | Illinois |
| 27 | Hazel Holbrook | 10 | Daughter | — | Illinois |
| 28 | Dorothy Holbrook | 8 | Daughter | — | Illinois |
| 29 | Howard Holbrook | 6 | Son | — | Illinois |
| 30 | Frances Holbrook | 3 | Daughter | — | Illinois |
| 31 | Frank Holbrook | 1 | Son | — | Illinois |
| 32 | Steve Corwall | 65 | Head | — | Ohio |
| 33 | Nellie Corwall | 60 | Wife | — | Illinois |
| 34 | Alex Maggio | 33 | Head | Proprietor | Illinois |
| 35 | Ruby Maggio | 27 | Wife | — | Iowa |
| 36 | Alex Maggio | 10 | Son | — | Illinois |
| 37 | James Maggio | 8 | Son | — | Illinois |
| 38 | Nora Maggio | 3 | Daughter | — | Illinois |
| 39 | Clifford Bradner | 29 | Brother-in-law | Proprietor | Illinois |
| 40 | Virginia Bradner | 27 | Sister | — | Illinois |
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)