JD
John Donnelly — 1930 US Census Record
Model Tree available1930 United States Federal Census · Genesee, Michigan
Our Model Tree links this John Donnelly across the 1920, 1930 and 1940 US Censuses in Genesee, Michigan (XGBoost, ~Confirmed), with identified parents M & Mark — first a son (b.~1920), then head of a 5-person household.
Age 10
b. ~1920
Male
Son
Born: Michigan
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Genesee, Michigan |
| Surname | Donnelly |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Flint City |
| Est. Birth Year | ~1920 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Donnelly | Daughter | — | 7 | ~1923 |
| M Donnelly | Head | — | 47 | ~1883 |
| John Donnelly | Son | — | 10 | ~1920 |
| William Donnelly | Son | — | 9 | ~1921 |
| Edith Donnelly | Spouse | — | 32 | ~1898 |
Census Appearances
1920
Genesee, Michigan
Son, age
Genesee, Michigan · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Genesee, Michigan
Son, age 10
Genesee, Michigan · implied b. ~1920 — 5 household members
| Surname | Donnelly |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Genesee-County, Michigan
Son, age 20
Genesee-County, Michigan · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donalley |
| Given Name | John E. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Flint city |
| 1935 Residence (County) | Genesee |
| Occupation | clerk |
| Industry | retail auto parts store |
| Class of Worker | PW |
| Hours Worked | 14 |
| Income (1939) | 650 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| 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 John Donnelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father M Donnelly (~0.92 confidence) and father Mark Donnelly (~0.92 confidence) and mother Edith Donnelly (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
M Donnelly
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Mark Donnelly
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Edith Donnelly
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Donnelly
Son · 1930 · age 10 · b. ~1920 · Michigan
★ You are viewing this record
Sibling
William Donnelly
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Donnelly
Sibling · 1930 · age 7
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
1930 US Federal Census — Genesee, Michigan
Open full size
1930 US Federal Census — Genesee, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel986:0109)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James P. Cuthbertson | 31 | Head | Foreman | Michigan |
| 2 | Clara Cuthbertson | 27 | Wife | — | Michigan |
| 3 | James Jr. Cuthbertson | 7 | Son | None | Michigan |
| 4 | Thomas Cuthbertson | 12 | Step-son | None | Michigan |
| 5 | Theo Harris | 24 | Head | Meat Cutter | Michigan |
| 6 | Anna Harris | 21 | Wife | None | Canada French |
| 7 | Merrill Harris | 3 | Son | None | Michigan |
| 8 | Shirley Harris | 1 | Daughter | None | Michigan |
| 9 | Vona Harris | 0 | Daughter | None | Michigan |
| 10 | Albert P. Siewert | 42 | Head | Sheet Metal Worker | Germany |
| 11 | Emma Siewert | 42 | Wife | None | Michigan |
| 12 | Norman Siewert | 15 | Son | None | Michigan |
| 13 | Mildred Siewert | 11 | Daughter | None | Michigan |
| 14 | Elmer Siewert | 9 | Son | None | Michigan |
| 15 | Laurence Ramsey | 30 | Lodger | Tool Designer | New Hampshire |
| 16 | Nellie Schippers | 51 | Head | None | Michigan |
| 17 | Henrietta Schippers | 23 | Daughter | Office Clerk | Michigan |
| 18 | Lucile Schippers | 19 | Daughter | Office Girl | Michigan |
| 19 | Madelyn Schippers | 13 | Daughter | None | Michigan |
| 20 | Henry Schlaefer | 22 | Lodger | Salesman | Illinois |
| 21 | Clarence Wack | 53 | Head | Copper Smith | Ohio |
| 22 | Lulu H. Wack | 45 | Wife | Machine Operator | Michigan |
| 23 | Mary J. Wack | 5 | Daughter | None | Iowa |
| 24 | Harry Ziegler | 25 | Head | Chemist | Wisconsin |
| 25 | Juanita Ziegler | 22 | Wife | Laborer | Ohio |
| 26 | Edward Furber | 52 | Head | Manufacturer | Michigan |
| 27 | Mary Furber | 45 | Wife | None | Illinois |
| 28 | Wayne S. Furber | 18 | Step-son | None | Illinois |
| 29 | A. Lester Crawford | 2 | Cousin | None | Illinois |
| 30 | Lee Austin | 44 | Head | Chauffeur | Michigan |
| 31 | Catherine Austin | 40 | Wife | Decorator | Michigan |
| 32 | Lee Austin | 15 | Son | None | Michigan |
| 33 | Robert Austin | 14 | Son | None | Michigan |
| 34 | Harriett Austin | 12 | Daughter | None | Michigan |
| 35 | Paul Austin | 6 | Son | None | Michigan |
| 36 | Henry Mclees | 59 | Head | Inspection | Canada English |
| 37 | Alice Mclees | 60 | Wife | None | Michigan |
| 38 | Lawrence Mclees | 27 | Son | Stock Checker | Michigan |
| 39 | Russell Mclees | 23 | Son | Truck Driver | Michigan |
| 40 | Ernest Lossing | 43 | Head | General Foreman | Michigan |
| 41 | Emma Lossing | 42 | Wife | None | Michigan |
| 42 | Ernestine Lossing | 19 | Daughter | None | Michigan |
| 43 | William Hastings | 38 | Head | Merchant | California |
| 44 | Rena Hastings | 34 | Wife | None | Michigan |
| 45 | Rena M. Hastings | 3 | Daughter | None | Michigan |
| 46 | M. Edward Donnelly | 47 | Head | Salesman | Michigan |
| 47 | Edith Donnelly | 32 | Wife | None | Michigan |
| 48 | John E. Donnelly THIS PERSON | 10 | Son | None | Michigan |
| 49 | William J. Donnelly | 9 | Son | None | Michigan |
| 50 | Mary E. Donnelly | 7 | Daughter | None | Michigan |
Pedigree Summary
John + 2 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)