AS
Agnes Sullivan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Agnes Sullivan across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 8-person household.
Age 4
b. ~1926
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Sullivan |
| Given Name | Agnes Son |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1926 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Agnes | Age | Birth yr |
|---|---|---|---|---|
| Margaret Sullivan | Spouse | — | 42 | ~1888 |
| James Sullivan | Son | — | 6 | ~1924 |
| Patrick Sullivan | Son | — | ~1930 | |
| Margaret Sullivan | Daughter | — | 7 | ~1923 |
| John Sullivan | Son | — | 5 | ~1925 |
| Mildred Sullivan | Daughter | — | 8 | ~1922 |
| John Sullivan | Head | — | 46 | ~1884 |
| Agnes Sullivan | Son | — | 4 | ~1926 |
Census Appearances
1930
Cook, Illinois
Son, age 4
Cook, Illinois · implied b. ~1926 — 8 household members
| Surname | Sullivan |
| Given Name | Agnes Son |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 15
Cook-County, Illinois · implied b. ~1925 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Angela J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | No |
| Industry | No |
| Class of Worker | No |
| Highest Grade | Hs 1 |
| 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 Agnes Sullivan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Agnes Sullivan
Son · 1930 · age 4 · b. ~1926 · Illinois
★ You are viewing this record
Sibling
Mildred Sullivan
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Sullivan
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Sullivan
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Sullivan
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Sullivan
Sibling · 1930 · age 6
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 — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel420:0814)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bernardine Sister M. Frances | 21 | Sister | — | Michigan |
| 2 | Mccauley Sister M. Robert | 21 | Sister | — | Illinois |
| 3 | Taylor Sister Clara | 45 | Sister | — | Indiana |
| 4 | Toy Sister M. Colombiere | 28 | Sister | — | Illinois |
| 5 | Frances Mcgrade Sister M. Ruth | 28 | Sister | — | Illinois |
| 6 | J. Ryan Sister Theresa | 24 | Sister | — | Illinois |
| 7 | Upchurch Sister Lucy | 31 | Sister | — | Illinois |
| 8 | Cooney Sister M. Thomas | 25 | Sister | — | Indiana |
| 9 | Marie Myers Sister Rose | 21 | Sister | — | Illinois |
| 10 | Lynch Sister M. Philomena | 21 | Sister | — | Ireland |
| 11 | Glynn Sister M. Conceptia | 25 | Sister | — | Ireland |
| 12 | Kennedy Sister M. Eileen | 21 | Sister | — | Ireland |
| 13 | O'Leary Sister M. Lucy | 24 | Sister | — | Ireland |
| 14 | Cregan Sister M. Genevieve | 21 | Sister | — | Ireland |
| 15 | Lorna L. Student Vielmette | 16 | Student | Student | Illinois |
| 16 | Mary Maid Mccurty | 70 | Maid | Maid | England |
| 17 | Mary Dishwasher Turner | 72 | Dishwasher | Dishwasher | England |
| 18 | Mary Laundress Dowley | 70 | Laundress | Laundress | Ireland |
| 19 | Margaret Fireman Taylor | 71 | Fireman | Fireman | Texas |
| 20 | William Chauffeur Foley | 33 | Chauffeur | Chauffeur | Wisconsin |
| 21 | Iver Painter Iverson | 48 | Painter | Painter | Sweden |
| 22 | John Cook Iverson | 44 | Cook | Cook | Sweden |
| 23 | Sarah Cook Eno | 51 | Cook | Cook | Illinois |
| 24 | Hannah Housework Kelley | 51 | Housework | Housework | Ireland |
| 25 | Annie Laundress Nelson | 31 | Laundress | Laundress | Sweden |
| 26 | Annie Laundress Lind | 45 | Laundress | Laundress | Sweden |
| 27 | Annie Laundress Lind | 45 | Laundress | Laundress | Sweden |
| 28 | Margaret Laundress Cody | 19 | Laundress | Laundress | Ireland |
| 29 | Mary Laundress Henderson | 48 | Laundress | Laundress | Ireland |
| 30 | Mary Maid Mcgrath | 50 | Maid | Maid | Illinois |
| 31 | Clara Housework Hanson | 22 | Housework | Housework | Sweden |
| 32 | August Head Malunowski | 28 | Head | Engineer | Poland |
| 33 | Rose Wife-H Malunowski | 28 | Wife | — | Poland |
| 34 | Raymond Son Malunowski | 2 | Son | — | Illinois |
| 35 | John Head Sullivan | 46 | Head | Painter | Ireland |
| 36 | Margaret Wife-H Sullivan | 42 | Wife | — | Ireland |
| 37 | Mildred Daughter Sullivan | 8 | Daughter | — | Illinois |
| 38 | Margaret Daughter Sullivan | 7 | Daughter | — | Illinois |
| 39 | James Son Sullivan | 6 | Son | — | Illinois |
| 40 | John Son Sullivan | 5 | Son | — | Illinois |
| 41 | Agnes Son Sullivan THIS PERSON | 4 | Son | — | Illinois |
| 42 | Patrick Son Sullivan | 0 | Son | — | Illinois |
| 43 | — | None | — | — | — |
| 44 | — | None | — | — | — |
| 45 | — | None | — | — | — |
| 46 | — | None | — | — | — |
| 47 | — | None | — | — | — |
| 48 | — | None | — | — | — |
| 49 | — | None | — | — | — |
| 50 | — | None | — | — | — |
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)