MC
Mary Cavanaugh — 1930 US Census Record
Model Tree available1930 United States Federal Census · Champaign, Illinois
Our Model Tree links this Mary Cavanaugh across the 1920, 1930 and 1940 US Censuses in Champaign, Illinois (XGBoost, ~Confirmed), with identified parents Joseph & W — first a daughter (b.~1911), then head of a 4-person household.
Age 19
b. ~1911
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Champaign, Illinois |
| Surname | Cavanaugh |
| Given Name | Mary G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | City Of Champaign |
| Est. Birth Year | ~1911 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Marion Cavanaugh | Daughter | — | 16 | ~1914 |
| Mary Cavanaugh | Daughter | — | 19 | ~1911 |
| Mary Cavanaugh | Spouse | — | 56 | ~1874 |
| W Cavanaugh | Head | — | 57 | ~1873 |
Census Appearances
1920
Champaign, Illinois
Daughter, age 8
Champaign, Illinois · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cavanaugh |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Indiana |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Champaign, Illinois
Daughter, age 19
Champaign, Illinois · implied b. ~1911 — 4 household members
| Surname | Cavanaugh |
| Given Name | Mary G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Champaign-County, Illinois
Daughter, age 29
Champaign-County, Illinois · implied b. ~1911 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cavanaugh |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Urbana city |
| 1935 Residence (County) | Champaign |
| 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 Mary Cavanaugh across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Cavanaugh (~0.92 confidence) and father W Cavanaugh (~0.92 confidence) and mother Mary Cavanaugh (~0.92 confidence) and mother Mary Cavanaugh (~0.92 confidence) and mother Mary Cavanaugh (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Cavanaugh
b. ~1872
Source father
● Household
· direct · ~0.92
Father
W Cavanaugh
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Mary Cavanaugh
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Mary Cavanaugh
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Mary Cavanaugh
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Cavanaugh
Daughter · 1930 · age 19 · b. ~1911 · Illinois
★ You are viewing this record
Sibling
Marion Cavanaugh
Sibling · 1930 · age 16
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 — Champaign, Illinois
Open full size
1930 US Federal Census — Champaign, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel409:0769)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Lyman Bridges | 44 | Head | Policeman | Illinois |
| 52 | Nelda Bridges | 37 | Wife | — | Illinois |
| 53 | Frank Mayer | 24 | Head | — | Illinois |
| 54 | Mildred Mayer | 24 | Wife | Manager | Washington DC |
| 55 | Lila Mayer | 36 | Lodger | — | Illinois |
| 56 | Florence Mayer | 17 | Lodger | Waitress | Illinois |
| 57 | Jackson M. Dillon | 36 | Lodger | Maid | Illinois |
| 58 | Katherine C. Frederick | 21 | Lodger | Custodian | Illinois |
| 59 | Harry R. Sayle | 28 | Lodger | Teacher | Illinois |
| 60 | John J. Struehle | 43 | Lodger | Salesman | Illinois |
| 61 | N. Riley | 70 | Lodger | Manager | Ohio |
| 62 | Eva Mrs. Howarth | 42 | Head | — | Illinois |
| 63 | Laura Howarth | 25 | Daughter | Dressmaker | Illinois |
| 64 | Eva Howarth | 21 | Daughter | — | Illinois |
| 65 | Frank R. Voter | 71 | Head | — | Illinois |
| 66 | Bertha Voter | 32 | Wife | Truck Driver | Illinois |
| 67 | Loretta Hambrecht | 25 | Head | Proof Reader | Illinois |
| 68 | Sue Hambrecht | 7 | Daughter | — | Illinois |
| 69 | Dorothy Povchet | 25 | Lodger | Hotel Keeper | Illinois |
| 70 | Carl M. De Viney | 51 | Head | — | Illinois |
| 71 | C. A. Mrs. Arthur | 54 | Lodger | Shoemaker | Tennessee |
| 72 | Mary De Viney | 54 | Wife | Actress | Illinois |
| 73 | Mrs. W. H. Lacy | 40 | Head | — | Indiana |
| 74 | Mildred Mrs. Jones | 21 | Daughter | Waitress | Illinois |
| 75 | Dorothy Lacy | 16 | Daughter | Waitress | Illinois |
| 76 | Mary Stephens | 80 | Head | Waitress | Illinois |
| 77 | Jean Stephens | 49 | Niece | — | Illinois |
| 78 | Thomas Mckee | 56 | Head | General Office | Illinois |
| 79 | Frances R. Mckee | 48 | Wife | Engineer | Illinois |
| 80 | Francis R. Mckee | 18 | Son | — | Illinois |
| 81 | Clarence E. Mckee | 14 | Son | — | Illinois |
| 82 | Charles W. Mckee | 12 | Son | — | Illinois |
| 83 | Frank P. Carr | 34 | Head | — | Indiana |
| 84 | Jennie C. Carr | 24 | Wife | Carpenter | Illinois |
| 85 | Ness Chapman | 60 | Head | Beauty Culture | Illinois |
| 86 | Lyman H. Bridges | 78 | Head | — | Illinois |
| 87 | Virginia B. Worth | 57 | Daughter | — | Illinois |
| 88 | John Crough | 41 | Head | Bookkeeper | Virginia |
| 89 | Margaret Crough | 41 | Wife | Engineer | Indiana |
| 90 | W. S. Cavanaugh | 57 | Head | — | Illinois |
| 91 | Mary A. Cavanaugh | 56 | Wife | Salesman | Indiana |
| 92 | Mary G. Cavanaugh THIS PERSON | 19 | Daughter | — | Illinois |
| 93 | Marion Cavanaugh | 16 | Daughter | — | Illinois |
| 94 | Mrs. Lula Hercock | 55 | Head | — | Illinois |
| 95 | Nellie R. Shurds | 24 | Lodger | Dressmaker | Illinois |
| 96 | Jo Ann Shurds | 2 | Daughter | — | Illinois |
| 97 | William Walker | 49 | Head | — | Illinois |
| 98 | Nannie Walker | 69 | Mother | Carpenter | Illinois |
| 99 | Mabel Walker | 39 | Sister | — | Illinois |
| 100 | Curtis Morris | 9 | Nephew | Bookkeeper | Illinois |
Pedigree Summary
Mary + 1 sibling
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)