AS
Anna Sullivan — 1920 US Census Record
Model Tree available1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Anna Sullivan across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Mary & Patrick — first a daughter (b.~1910), then head of a 8-person household.
Age 10
b. ~1910
Female
Daughter
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Sullivan |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1910 |
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 1920 census.
| Name | Relation to head | Relative to Anna | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Sullivan | Daughter | — | 16 | ~1904 |
| Helen Sullivan | Daughter | — | 12 | ~1908 |
| Anna Sullivan | Daughter | — | 10 | ~1910 |
| Mary Sullivan | Daughter | — | 18 | ~1902 |
| Patrick Sullivan | Head | — | 47 | ~1873 |
| Thomas Sullivan | Son | — | 6 | ~1914 |
| Francis Sullivan | Son | — | 14 | ~1906 |
| Mary Sullivan | Spouse | — | 47 | ~1873 |
Census Appearances
1920
Cook, Illinois
Daughter, age 10
Cook, Illinois · implied b. ~1910 — 8 household members
| Surname | Sullivan |
| Given Name | Anna |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| 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 20
Cook, Illinois · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Typist |
| Industry | Automobiles |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 29
Cook-County, Illinois · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Organist |
| Industry | Church |
| Class of Worker | PW |
| Hours Worked | 11 |
| Income (1939) | 760 |
| Highest Grade | H-4 |
| 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 Anna Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Sullivan (~0.92 confidence) and father Patrick Sullivan (~0.92 confidence) and father Patrick Sullivan (~0.92 confidence) and father James Sullivan (~0.92 confidence) and mother Millie Sullivan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Sullivan
b. ~1873
Source mother
● Household
· direct · ~0.92
Father
Patrick Sullivan
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Patrick Sullivan
b. ~1875
Source father
● Household
· direct · ~0.92
Father
James Sullivan
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Millie Sullivan
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Anna Sullivan
Daughter · 1920 · age 10 · b. ~1910 · Illinois
★ You are viewing this record
Sibling
Helen Sullivan
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Sullivan
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Sullivan
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Sullivan
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Sullivan
Sibling · 1920 · 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
1920 US Federal Census — Cook, Illinois
Open full size
1920 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu319unit:0565)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Joe Sarata | 18 | Son | Clerk | Illinois |
| 52 | John Sarata | 16 | Son | Helper | Illinois |
| 53 | Elizabeth Sarata | 14 | Daughter | — | Illinois |
| 54 | Nellie Sarata | 12 | Daughter | — | Illinois |
| 55 | George Sarata | 10 | Son | — | Illinois |
| 56 | Juliet Sarata | 8 | Daughter | — | Illinois |
| 57 | Tom Sarata | 7 | Son | — | Illinois |
| 58 | Mike Sarata | 4 | Son | — | Illinois |
| 59 | Thomas Mcdermott | 62 | Head | Bricklayer | Ireland |
| 60 | Mary Mcdermott | 52 | Wife | — | Ireland |
| 61 | James Mcdermott | 25 | Son | Bricklayer | Illinois |
| 62 | Harry Mcdermott | 21 | Son | Clerk | Illinois |
| 63 | Lillian Mcdermott | 14 | Daughter | — | Illinois |
| 64 | Ralph Pritoscino | 30 | Head | Machinist Help | Italy |
| 65 | Mary Pritoscino | 28 | Wife | — | Italy |
| 66 | Sam Pritoscino | 3 | Son | — | Illinois |
| 67 | Harry Stein | 44 | Head | Peddler | Russia |
| 68 | Beckie Stein | 37 | Wife | — | Russia |
| 69 | Dorothy Stein | 12 | Daughter | — | Illinois |
| 70 | Sam Stein | 10 | Son | — | Illinois |
| 71 | Joseph Stein | 9 | Son | — | Illinois |
| 72 | Jacob Stein | 7 | Son | — | Illinois |
| 73 | Isadore Stein | 4 | Son | — | Illinois |
| 74 | Michael Stein | 2 | Son | — | Illinois |
| 75 | Mike Kelly | 70 | Head | — | Ireland |
| 76 | Mary Kelly | 31 | Daughter | Clerk | Illinois |
| 77 | Nellie Kelly | 26 | Daughter | — | Illinois |
| 78 | Joe Kelly | 22 | Son | Clerk | Illinois |
| 79 | David Donahue | 34 | Head | Policeman | Ireland |
| 80 | Nellie Donahue | 33 | Wife | — | Ireland |
| 81 | Helen Donahue | 14 | Daughter | — | Illinois |
| 82 | Edward Donahue | 11 | Son | — | Illinois |
| 83 | Ellen Keneally | 60 | Mother in law | — | Ireland |
| 84 | John Keneally | 37 | Brother in law | Checker | Ireland |
| 85 | Harry Becha | 32 | Head | Peddler | Russia |
| 86 | Beckie Becha | 30 | Wife | — | Russia |
| 87 | Pauline Becha | 7 | Daughter | — | Russia |
| 88 | Joe Becha | 4 | Son | — | Illinois |
| 89 | Sam Becha | 3 | Son | — | Illinois |
| 90 | Patrick Sullivan | 47 | Head | Steamfitter | Illinois |
| 91 | Mary Sullivan | 47 | Wife | — | Illinois |
| 92 | Mary Sullivan | 18 | Daughter | — | Illinois |
| 93 | Gertrude Sullivan | 16 | Daughter | — | Illinois |
| 94 | Francis Sullivan | 14 | Son | — | Illinois |
| 95 | Helen Sullivan | 12 | Daughter | — | Illinois |
| 96 | Anna Sullivan THIS PERSON | 10 | Daughter | — | Illinois |
| 97 | Thomas Sullivan | 6 | Son | — | Illinois |
| 98 | Thomas Finnerty | 54 | Head | Iron Worker | Ireland |
| 99 | Mary Finnerty | 54 | Wife | — | Ireland |
| 100 | Stephen M. Finnerty | 25 | Son | Postal Clerk | Illinois |
Related Census Records
Pedigree Summary
Anna + 5 siblings
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 1920 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)