MS
Margaret Sullivan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Margaret Sullivan across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Jeremiah & John — first a daughter (b.~1907), then head of a 2-person household.
Age 23
b. ~1907
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Sullivan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| 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 | Chicago City |
| Est. Birth Year | ~1907 |
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.
2 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Sullivan | Daughter | — | 23 | ~1907 |
| Margaret Sullivan | Head | — | 52 | ~1878 |
Census Appearances
1910
Cook, Illinois
Daughter, age 2
Cook, Illinois · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| 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 |
1920
Cook, Illinois
Daughter, age 13
Cook, Illinois · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| 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 23
Cook, Illinois · implied b. ~1907 — 2 household members
| Surname | Sullivan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| 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 |
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 Margaret Sullivan across 3 US Census years (1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage. Identified parents: father Jeremiah Coughlin (~0.92 confidence) and father John Sullivan (~0.92 confidence) and mother Margaret Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence) and mother Margaret Sullivan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jeremiah Coughlin
b. ~1851
Source father
● Household
· direct · ~0.92
Father
John Sullivan
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Margaret Sullivan
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Margaret Sullivan
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Sullivan
Daughter · 1930 · age 23 · b. ~1907 · 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:illinoiscensus00reel446:0938)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Olaf Johansson | 56 | Head | Motorman | Sweden |
| 2 | Hannah Johansson | 49 | Wife | — | Sweden |
| 3 | Henry Johansson | 24 | Son | Laborer | Illinois |
| 4 | Hazel Johansson | 16 | Daughter | — | Illinois |
| 5 | Harry Johansson | 13 | Son | — | Illinois |
| 6 | Olof Jacobson | 77 | Boarder | — | Sweden |
| 7 | Erick Asp | 66 | Head | Laborer | Sweden |
| 8 | Anna Asp | 62 | Wife | — | Sweden |
| 9 | Oscar Asp | 21 | Son | Laborer | Sweden |
| 10 | Thomas Cunly | 36 | Head | Millwright | Illinois |
| 11 | Winifred Cunly | 35 | Wife | — | Illinois |
| 12 | William Cunly | 11 | Son | — | Illinois |
| 13 | Robert Cunly | 10 | Son | — | Illinois |
| 14 | Thomas Cunly | 8 | Son | — | Illinois |
| 15 | James Cunly | 2 | Son | — | Illinois |
| 16 | Mary Floyd | 28 | Boarder | — | Indiana |
| 17 | Eric Pearson | 27 | Head | Laborer | Illinois |
| 18 | Elsie Pearson | 25 | Wife | — | Illinois |
| 19 | Billy Pearson | 0 | Son | — | Illinois |
| 20 | Ruth Pearson | 2 | Daughter | — | Illinois |
| 21 | James Pearson | 1 | Son | — | Illinois |
| 22 | Anna Stull | 52 | Mother-in-law | — | Canada-Eng |
| 23 | Margaret Sullivan | 52 | Head | — | Illinois |
| 24 | Margaret Sullivan THIS PERSON | 23 | Daughter | — | Illinois |
| 25 | George Patton | 46 | Head | — | Iowa |
| 26 | Maybelle Patton | 42 | Wife | — | Illinois |
| 27 | Wayne Patton | 16 | Son | — | Illinois |
| 28 | John Norman | 51 | Head | Laborer | Germany |
| 29 | Mary Norman | 44 | Wife | — | Germany |
| 30 | Michael Norman | 20 | Son | — | Illinois |
| 31 | Anna Norman | 18 | Daughter | — | Illinois |
| 32 | William Norman | 16 | Son | — | Illinois |
| 33 | Lillian Norman | 14 | Daughter | — | Illinois |
| 34 | John Norman | 12 | Son | — | Illinois |
| 35 | Francis Norman | 7 | Daughter | — | Illinois |
| 36 | Joseph Wickus | 30 | Head | Machine Hand | Illinois |
| 37 | Molly Wickus | 23 | Wife | — | Illinois |
| 38 | John Runnot | 45 | Head | Carpenter | Lithuania |
| 39 | Apolonia Runnot | 41 | Wife | — | Lithuania |
| 40 | Helen Runnot | 15 | Son | — | Illinois |
| 41 | Stella Runnot | 11 | Daughter | — | Illinois |
| 42 | Henry Runnot | 9 | Son | — | Illinois |
| 43 | Edward Runnot | 5 | Son | — | Illinois |
| 44 | Anton Prunty | 61 | Head | Laborer | Lithuania |
| 45 | Anna Prunty | 70 | Wife | — | Lithuania |
| 46 | Anton Prunty | 20 | Son | Laborer | Indiana |
| 47 | Anna Prunty | 17 | Daughter | — | Illinois |
| 48 | George Shepler | 32 | Boarder | Laborer | Lithuania |
| 49 | Anton Zilis | 44 | Head | Laborer | Lithuania |
| 50 | Anna Zilis | 37 | Wife | — | Lithuania |
Pedigree Summary
Margaret
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)