JC
John Cavanaugh — 1930 US Census Record
Model Tree available1930 United States Federal Census · Henry, Illinois
Our Model Tree links this John Cavanaugh across the 1920, 1930 and 1940 US Censuses in Henry, Illinois (XGBoost, ~Confirmed), with identified parents Jno & John — first a son (b.~1918), then head of a 4-person household.
Age 12
b. ~1918
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Henry, Illinois |
| Surname | Cavanaugh |
| Given Name | John J. |
| 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 | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Kewanee 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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Cavanaugh | Spouse | — | 51 | ~1879 |
| John Cavanaugh | Son | — | 12 | ~1918 |
| Jno Cavanaugh | Head | — | 54 | ~1876 |
| Louise Cavanaugh | Daughter | — | 19 | ~1911 |
Census Appearances
1920
Henry, Illinois
Son, age 2
Henry, Illinois · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cavanagh |
| Given Name | John J |
| 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
Henry, Illinois
Son, age 12
Henry, Illinois · implied b. ~1918 — 4 household members
| Surname | Cavanaugh |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Henry-County, Illinois
Son, age 22
Henry-County, Illinois · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cavanagh |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Kewanee City |
| 1935 Residence (County) | Henry |
| Highest Grade | C 2 |
| 1935 Residence | Same house |
| 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 Cavanaugh across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jno Cavanaugh (~0.92 confidence) and father John Cavanagh (~0.92 confidence) and mother Elizabeth Cavanagh (~0.92 confidence) and mother Elizabeth Cavanagh (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jno Cavanaugh
b. ~1876
Source father
● Household
· direct · ~0.92
Father
John Cavanagh
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Cavanagh
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Cavanagh
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Cavanaugh
Son · 1930 · age 12 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
Louise Cavanaugh
Sibling · 1930 · age 19
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 — Henry, Illinois
Open full size
1930 US Federal Census — Henry, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel519:0778)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Orlo Scott | 23 | Son | Clerk | Illinois |
| 52 | William Scott | 58 | Head | — | Illinois |
| 53 | Caroline Scott | 49 | Wife | — | Illinois |
| 54 | Milo E. Gabriel | 39 | Head | Salesman | Illinois |
| 55 | Laura C. Gabriel | 38 | Wife | — | Illinois |
| 56 | Loyde Gabriel | 11 | Son | — | Illinois |
| 57 | Nettie Gabriel | 45 | Sister | File Clerk | Wisconsin |
| 58 | Wallace H. Bedford | 41 | Head | Accountant | Illinois |
| 59 | Lillian Bedford | 41 | Wife | — | Illinois |
| 60 | William B. Bedford | 7 | Son | — | Illinois |
| 61 | Robert S. Utley | 64 | Head | Proprietor | Illinois |
| 62 | Lillian Utley | 62 | Wife | — | Illinois |
| 63 | Thomas Jackson | 64 | Head | — | Illinois |
| 64 | Emma Jackson | 66 | Sister | — | Illinois |
| 65 | Jno. Cavanaugh | 54 | Head | Undertaker | Illinois |
| 66 | Elizabeth Cavanaugh | 51 | Wife | — | Illinois |
| 67 | Louise Cavanaugh | 19 | Daughter | Bookkeeper | Illinois |
| 68 | John J. Cavanaugh THIS PERSON | 12 | Son | — | Illinois |
| 69 | Frank Bates | 38 | Head | Leather Cutter | Illinois |
| 70 | Bernice Bates | 27 | Wife | Stenographer | Illinois |
| 71 | Jean Bates | 9 | Daughter | — | Illinois |
| 72 | Ellen Polson | 43 | Head | Forelady | Pennsylvania |
| 73 | Mildred Polson | 15 | Daughter | — | Illinois |
| 74 | Robert Polson | 13 | Son | — | Illinois |
| 75 | Raymond Polson | 11 | Son | — | Illinois |
| 76 | Dean Polson | 8 | Son | — | Illinois |
| 77 | Charles Clam | 29 | Roomer | Boilermaker | Illinois |
| 78 | Mable Clam | 30 | Roomer | Seamstress | Illinois |
| 79 | Florence Boyds | 39 | Roomer | Seamstress | Pennsylvania |
| 80 | Charles Boyds | 39 | Roomer | Painter | Illinois |
| 81 | John Christianson | 44 | Head | Superintendent | Wisconsin |
| 82 | Leona Christianson | 39 | Wife | — | Wisconsin |
| 83 | Helene Christianson | 3 | Daughter | — | Illinois |
| 84 | Charles Maynard | 48 | Head | Proprietor | Minnesota |
| 85 | Anna Maynard | 66 | Wife | — | Missouri |
| 86 | Dorothy Hewlett | 18 | Daughter | — | Illinois |
| 87 | Smith S. Heaps | 42 | Head | Proprietor | Nebraska |
| 88 | Charity Heaps | 42 | Wife | — | Illinois |
| 89 | John M. Heaps | 8 | Son | — | Illinois |
| 90 | Noble G. Potter | 70 | Father in Law | — | Illinois |
| 91 | Edward Miles | 60 | Head | Pattern Clerk | Illinois |
| 92 | Natalie B. Miles | 23 | Daughter | Nurse | Illinois |
| 93 | Walter E. Miles | 20 | Son | Pattern Maker | Illinois |
| 94 | William Foster | 64 | Head | Agent | Illinois |
| 95 | Kathryn Foster | 52 | Wife | — | New York |
| 96 | Mable Wyed | 53 | Head | — | Illinois |
| 97 | Gladys Wyed | 23 | Roomer | Teacher | Illinois |
| 98 | Gwendolyn Herring | 26 | Roomer | Teacher | Illinois |
| 99 | Elizabeth Eisenberg | 22 | Roomer | Teacher | Illinois |
| 100 | Alfred Sproat | 59 | Head | Carpenter | Kentucky |
Pedigree Summary
John + 1 sibling
Gen 1 · 4 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)