TD
Thomas Donnelly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Thomas Donnelly across the 1910, 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents Alfred & Alfred — first a son (b.~1908), then head of a 6-person household.
Age 32
b. ~1908
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Donnelly |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | Maintenance-man |
| Industry | Office Building |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1040 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Maintenance-Man |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1908 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Georgena Donnelly | Daughter | — | 25 | ~1915 |
| Alfred Donnelly | Head | — | 58 | ~1882 |
| Ellen Donnelly | Spouse | — | 55 | ~1885 |
| Thomas Donnelly | Son | — | 32 | ~1908 |
| Robert Donnelly | Son | — | 23 | ~1917 |
| Joseph Donnelly | Son | — | 20 | ~1920 |
Census Appearances
1910
Wayne, Michigan
Son, age 2
Wayne, Michigan · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | Thomas H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Canada-Irish |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1920
Wayne, Michigan
Son, age 12
Wayne, Michigan · implied b. ~1908 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Canada |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Son, age 22
Wayne, Michigan · implied b. ~1908 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | Thomas W |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Michigan |
| Age at First Marriage | 22 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Canada English |
| Occupation | clerical |
| Industry | steel manufacture |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 32
Wayne-County, Michigan · implied b. ~1908 — 6 household members
| Surname | Donnelly |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Occupation | Maintenance-man |
| Industry | Office Building |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1040 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Thomas Donnelly across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alfred Donnelly (~0.92 confidence) and father Alfred Donnelly (~0.92 confidence) and father Alfred Donnelly (~0.92 confidence) and mother Ellen Donnelly (~0.92 confidence) and mother Ellen Donnelly (~0.92 confidence) and mother Ellen Donnelly (~0.92 confidence) and mother Ellen Donnelly (~0.92 confidence). The pedigree spans 1 generation with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alfred Donnelly
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Alfred Donnelly
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Alfred Donnelly
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Ellen Donnelly
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Ellen Donnelly
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Ellen Donnelly
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Ellen Donnelly
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Donnelly
Son · 1940 · age 32 · b. ~1908 · Michigan
★ You are viewing this record
Sibling
Joseph Donnelly
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Georgena Donnelly
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Donnelly
Sibling · 1940 · age 23
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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01865-00196)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Richard Distel | 36 | Son-in-law | Proprietor | Germany |
| 42 | Rose Distel | 35 | Daughter | — | Michigan |
| 43 | Richard Jr. Distel | 1 | Grandson | — | Michigan |
| 44 | Marshal Miles | 55 | Head | — | Michigan |
| 45 | Bernard Schynder | 45 | Lodger | Fireman | Michigan |
| 46 | Leonard Eland | 33 | Lodger | Upholsterer | Michigan |
| 47 | John Barak | 45 | Lodger | Driver | Michigan |
| 48 | Theredell Long | 44 | Head | Salesman | Canada-English |
| 49 | Pearl Long | 44 | Wife | — | Canada-English |
| 50 | John Edmund Long | 19 | Son | Clerk | Canada-English |
| 51 | Robert Long | 16 | Son | — | Michigan |
| 52 | Lillie Kruce | 42 | Head | — | Tennessee |
| 53 | Eugenia Kruce | 22 | Daughter | Waitress | Missouri |
| 54 | Edward Kruce | 18 | Son | Pin-Setter | Missouri |
| 55 | Harold Mccoy | 33 | Lodger | Body Finisher | Minnesota |
| 56 | George Rode | 31 | Head | Tire Builder | Minnesota |
| 57 | Augusta Rode | 57 | Mother | — | Minnesota |
| 58 | August Rode | 59 | Father | — | Canada-English |
| 59 | Alice Johnson | 25 | Lodger | Stenographer | Minnesota |
| 60 | Alfred Nelson | 25 | Head | Body-Finisher | Minnesota |
| 61 | Martha Nelson | 28 | Wife | — | Minnesota |
| 62 | Dennis Nelson | 1 | Son | — | Minnesota |
| 63 | Norman Nelson | 28 | Brother | Stock-Man | Minnesota |
| 64 | Eliv Nelson | 23 | Brother | Tire Builder | Minnesota |
| 65 | George Kare | 28 | Lodger | Fender-Man | Minnesota |
| 66 | George Betts | 23 | Lodger | Press Operator | Minnesota |
| 67 | Micheal Johns | 55 | Head | Shipping-Man | Syria |
| 68 | Susie Johns | 53 | Wife | — | Syria |
| 69 | Peter Johns | 20 | Son | Office-Boy | Ohio |
| 70 | Elizabeth Johns | 17 | Daughter | — | Ohio |
| 71 | Alfred Donnelly | 58 | Head | Metal Polisher | Michigan |
| 72 | Ellen Donnelly | 55 | Wife | — | Canada-English |
| 73 | Thomas Donnelly THIS PERSON | 32 | Son | Maintenance-Man | Michigan |
| 74 | Georgena Donnelly | 25 | Daughter | Graduate Nurse | Michigan |
| 75 | Robert Donnelly | 23 | Son | New Worker | Michigan |
| 76 | Joseph Donnelly | 20 | Son | New Worker | Michigan |
| 77 | Mary Duffey | 36 | Head | — | Michigan |
| 78 | Betty Duffey | 13 | Daughter | — | Michigan |
| 79 | Katherine Duffey | 7 | Daughter | — | Michigan |
| 80 | Andrew Duffey | 4 | Son | — | Michigan |
Pedigree Summary
Thomas + 3 siblings
Gen 1 · 7 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)