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John Connelly — 1930 US Census Record
Model Tree available1930 United States Federal Census · Logan, Illinois
Our Model Tree links this John Connelly across the 1920, 1930 and 1940 US Censuses in Logan, Illinois (XGBoost, ~Confirmed), with identified parents Dr & George — first a son (b.~1918), then head of a 5-person household.
Age 12
b. ~1918
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Logan, Illinois |
| Surname | Connelly |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Mt Pulaski City |
| Est. Birth Year | ~1918 |
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 |
|---|---|---|---|---|
| Dorothy Connelly | Daughter | — | 17 | ~1913 |
| John Connelly | Son | — | 12 | ~1918 |
| Ada Connelly | Spouse | — | 40 | ~1890 |
| George Connelly | Head | — | 50 | ~1880 |
| George Connelly | Son | — | 9 | ~1921 |
Census Appearances
1920
Logan, Illinois
Son, age 2
Logan, Illinois · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connelley |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Logan, Illinois
Son, age 12
Logan, Illinois · implied b. ~1918 — 5 household members
| Surname | Connelly |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Logan-County, Illinois
Son, age 24
Logan-County, Illinois · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connolley |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Mt. Pulaski |
| 1935 Residence (County) | Logan |
| Occupation | laborer |
| Class of Worker | PW |
| Hours Worked | 3 |
| Income (1939) | 396 |
| Highest Grade | H 4 |
| 1935 Residence | Illinois |
| 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 John Connelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Dr Connelley (~0.92 confidence) and father George Connelly (~0.92 confidence) and father David Connolley (~0.92 confidence) and mother Ada Connelly (~0.92 confidence) and mother Mary Connolley (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Dr Connelley
b. ~1880
Source father
● Household
· direct · ~0.92
Father
George Connelly
b. ~1880
Source father
● Household
· direct · ~0.92
Father
David Connolley
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Ada Connelly
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Mary Connolley
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Connelly
Son · 1930 · age 12 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
George Connelly
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Connelly
Sibling · 1930 · age 17
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 — Logan, Illinois
Open full size
1930 US Federal Census — Logan, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel534:1042)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert Dillsaver | 47 | Head | Barber | Illinois |
| 2 | Agnes Dillsaver | 49 | Wife | None | Illinois |
| 3 | Mary Snyder | 71 | Head | None | Illinois |
| 4 | Cashia Turner | 74 | Head | None | Indiana |
| 5 | Anna Turner | 50 | Daughter | None | Illinois |
| 6 | Joe Turner | 49 | Son | Manager | Illinois |
| 7 | John Turner | 45 | Son | Helper | Illinois |
| 8 | Nora Schick | 55 | Head | Cobbler | Illinois |
| 9 | Nora Schick | 46 | Wife | None | Ireland |
| 10 | Mary Schick | 19 | Daughter | None | Illinois |
| 11 | Margaret Schick | 10 | Daughter | None | Illinois |
| 12 | John Horn | 82 | Head | None | Illinois |
| 13 | Margaret Horn | 76 | Wife | None | Illinois |
| 14 | George Horn | 52 | Son | Manager | Illinois |
| 15 | Howard Kaefer | 54 | Head | Agent | Illinois |
| 16 | Sarah F. Kaefer | 49 | Wife | None | Illinois |
| 17 | Lincoln Cass | 58 | Head | Labor | Illinois |
| 18 | Sarah T. Cass | 49 | Wife | None | Illinois |
| 19 | Robert Aitchison | 77 | Head | President | Scotland |
| 20 | Robert G. Aitchison | 49 | Son | Salesman | Illinois |
| 21 | Lulu Aitchison | 45 | Wife | None | Illinois |
| 22 | Robert S. Aitchison | 17 | Grandson | None | Illinois |
| 23 | A. L. Nolan | 76 | Head | None | Illinois |
| 24 | Margaret D. Nolan | 68 | Wife | None | Illinois |
| 25 | John Hershey | 59 | Head | Proprietor | Illinois |
| 26 | Anna Hershey | 52 | Wife | None | Illinois |
| 27 | Mabel Hershey | 21 | Daughter | None | Illinois |
| 28 | Frank Snyder | 59 | Head | Carpenter | Illinois |
| 29 | Kiara Snyder | 57 | Wife | None | Illinois |
| 30 | Carolyn Snyder | 24 | Daughter | None | Illinois |
| 31 | John Snyder | 19 | Son | None | Illinois |
| 32 | Emma Hahn | 46 | Head | None | Illinois |
| 33 | Lottie Hahn | 44 | Sister | None | Illinois |
| 34 | George Connelly | 50 | Head | Physician | Illinois |
| 35 | Ada Connelly | 40 | Wife | None | Illinois |
| 36 | Dorothy Connelly | 17 | Daughter | None | Illinois |
| 37 | John Connelly THIS PERSON | 12 | Son | None | Illinois |
| 38 | George Jr. Connelly | 9 | Son | None | Illinois |
| 39 | Mary Lyons | 78 | Head | None | Ohio |
| 40 | Evette Lyons | 57 | Daughter | None | Illinois |
| 41 | Effie Lyons | 46 | Daughter | Clerk | Illinois |
| 42 | Sheron Lyons | 24 | Grandson | Carpenter | Illinois |
| 43 | May Lyons | 17 | Granddaughter | None | Illinois |
| 44 | George Lyons | 13 | Grandson | None | Illinois |
| 45 | Lawrence O'Brien | 26 | Grandson | Labor | Illinois |
| 46 | Mary E. O'Brien | 22 | Granddaughter | None | Illinois |
| 47 | Ezekiel Flaener | 55 | Head | Labor | Illinois |
| 48 | Margaret Flaener | 20 | Daughter | None | Illinois |
| 49 | Mary Lou Flaener | 1 | Granddaughter | None | Illinois |
| 50 | Clarence Rothwell | 38 | Head | Manager | Illinois |
Pedigree Summary
John + 2 siblings
Gen 1 · 5 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)