KS
Katherine Sullivan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Katherine Sullivan across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Bernard & Bernard — first a daughter (b.~1904), then head of a 3-person household.
Age 26
b. ~1904
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Sullivan |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Operator |
| Industry | Beauty Parlor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Operator |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1904 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Katherine | Age | Birth yr |
|---|---|---|---|---|
| Katherine Sullivan | Daughter | — | 26 | ~1904 |
| Josephine Sullivan | Spouse | — | 56 | ~1874 |
| Bernard Sullivan | Head | — | 59 | ~1871 |
Census Appearances
1910
Cook, Illinois
Daughter, age 6
Cook, Illinois · implied b. ~1904 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ire Eng list |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Daughter, age 16
Cook, Illinois · implied b. ~1904 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 26
Cook, Illinois · implied b. ~1904 — 3 household members
| Surname | Sullivan |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Operator |
| Industry | Beauty Parlor |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Katherine Sullivan across 3 US Census years (1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage. Identified parents: father Bernard Sullivan (~0.92 confidence) and father Bernard Sullivan (~0.92 confidence) and father John Sullivan (~0.92 confidence) and mother Anna Sullivan (~0.92 confidence) and mother Josephine Sullivan (~0.92 confidence) and mother Josephine Sullivan (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Bernard Sullivan
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Bernard Sullivan
b. ~1871
Source father
● Household
· direct · ~0.92
Father
John Sullivan
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Anna Sullivan
b. ~1863
Source mother
● Household
· direct · ~0.92
Mother
Josephine Sullivan
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Josephine Sullivan
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Katherine Sullivan
Daughter · 1930 · age 26 · b. ~1904 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel489:0495)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Evelyn Johnson | 29 | Wife | None | Illinois |
| 52 | Betty J Johnson | 3 | Daughter | None | Illinois |
| 53 | Hinrichs, Anna Johnson | 61 | Mother-in-law | None | Illinois |
| 54 | Ethel Johnson | 31 | Sister-in-law | Cashier-Counter | Illinois |
| 55 | Frederick Johnson | 22 | Brother-in-law | Clerical Work | Illinois |
| 56 | Larson, Ludwig Johnson | 60 | Roomer | Carpenter | Sweden |
| 57 | Charles J Schroeder | 41 | Head | Auto Painter | Germany |
| 58 | Alice M Schroeder | 51 | Wife | None | Michigan |
| 59 | Dresner, Harriet Schroeder | 31 | Boarder | Saleslady | Switzerland |
| 60 | William H Wasilis | 27 | Head | None | Illinois |
| 61 | Lucille Wasilis | 45 | Wife | None | Illinois |
| 62 | Raymond Wasilis | 23 | Son | Shipping Clerk | Illinois |
| 63 | Hartman, Gertrude Wasilis | 18 | Boarder | Clerk | Michigan |
| 64 | Louis Critchfield | 41 | Head | Fireman | Illinois |
| 65 | Katherine Critchfield | 34 | Wife | None | Illinois |
| 66 | Walter F Brusenbach | 28 | Head | Photo Engraver | Illinois |
| 67 | Irene Brusenbach | 30 | Wife | None | Illinois |
| 68 | Richard W Brusenbach | 2 | Son | None | Illinois |
| 69 | Robert A Brusenbach | 0 | Son | None | Illinois |
| 70 | Walter S Butt | 39 | Head | Stock Broker | Illinois |
| 71 | Ellen M Butt | 39 | Wife | None | Illinois |
| 72 | Walter S Jr Butt | 9 | Son | None | Illinois |
| 73 | Rosemary R Butt | 5 | Daughter | None | Illinois |
| 74 | Fred W Hitsch | 63 | Head | None | Pennsylvania |
| 75 | Katherine Hitsch | 50 | Wife | None | Germany |
| 76 | John A Gustafson | 65 | Head | Bricklayer | Sweden |
| 77 | Selma S Gustafson | 64 | Wife | None | Sweden |
| 78 | Walter Gustafson | 31 | Son | None | Illinois |
| 79 | Lester F Gustafson | 29 | Son | Bricklayer | Illinois |
| 80 | Walter G Sadler | 37 | Head | Salesman | Illinois |
| 81 | Gertrude V Sadler | 46 | Wife | None | Illinois |
| 82 | Warren W Sadler | 7 | Son | None | Illinois |
| 83 | Muriel Sadler | 6 | Daughter | None | Kansas |
| 84 | Francis J Stenson | 32 | Head | Payer | Illinois |
| 85 | Bertha E Stenson | 61 | Mother | None | Germany |
| 86 | Charles J Stenson | 29 | Brother | Milkman | Illinois |
| 87 | Emil O Berglund | 55 | Head | Cabinet Maker | Sweden |
| 88 | Anna G Berglund | 45 | Wife | None | Sweden |
| 89 | Ruth G Berglund | 26 | Daughter | Stenographer | Wisconsin |
| 90 | Danielson, Fred G Berglund | 39 | Boarder | Cabinet Maker | Sweden |
| 91 | Bernard Sullivan | 59 | Head | Supervisor | Illinois |
| 92 | Josephine Sullivan | 56 | Wife | Social Worker | Illinois |
| 93 | Katherine Sullivan THIS PERSON | 26 | Daughter | Operator | Illinois |
| 94 | Elizabeth Mccormick | 59 | Head | Bookkeeper | Illinois |
| 95 | Evelyn Mccormick | 54 | Sister | Teacher | Illinois |
| 96 | Murtagh, Margaret Mccormick | 80 | Aunt | None | South Ireland |
| 97 | Katherine M Shannon | 54 | Head | None | Illinois |
| 98 | Katherine M Miller | 50 | Head | None | Old Mexico |
| 99 | Meyer, Edward F | 65 | Boarder | None | Illinois |
| 100 | Rothman, Barbara | 64 | Roomer | None | Germany |
Pedigree Summary
Katherine
Gen 1 · 6 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)