MH
Mary Hickey — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Hickey across the 1910 and 1920 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1909), then head of a 9-person household.
Age 11
b. ~1909
Female
Daughter
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Hickey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| 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 | ~1909 |
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.
9 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jane Hickey | Daughter | — | 15 | ~1905 |
| Mildred Hickey | Daughter | — | 6 | ~1914 |
| Mary Hickey | Daughter | — | 11 | ~1909 |
| James Hickey | Head | — | 44 | ~1876 |
| Edward Hickey | Son | — | 13 | ~1907 |
| John Hickey | Son | — | 3 | ~1917 |
| Harry Hickey | Son | — | 1 | ~1919 |
| Ray Hickey | Son | — | 8 | ~1912 |
| Catherine Hickey | Spouse | — | 33 | ~1887 |
Census Appearances
1910
Cook, Illinois
Daughter, age 2
Cook, Illinois · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hickey |
| Given Name | Mary |
| 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 11
Cook, Illinois · implied b. ~1909 — 9 household members
| Surname | Hickey |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| 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 |
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 Hickey across 2 US Census years (1910 and 1920) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hickey
Daughter · 1920 · age 11 · b. ~1909 · Illinois
★ You are viewing this record
Sibling
Jane Hickey
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Hickey
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Hickey
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Hickey
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Hickey
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Hickey
Sibling · 1920 · age 8
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:1920:14thcensusofpopu323unit:0156)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ben Womack | 24 | Head | Grocer | Illinois |
| 2 | Catherine Womack | 25 | Wife | — | Ireland |
| 3 | Joseph Wise | 81 | Head | — | Germany |
| 4 | Catherine Wise | 72 | Wife | — | Germany |
| 5 | Jacob Wise | 51 | Son | Painter | Illinois |
| 6 | Joseph A. Wise | 40 | Son | Clerk | Illinois |
| 7 | Catherine Ouska | 39 | Daughter | — | Illinois |
| 8 | Mary Ouska | 29 | Daughter | Trimmer | Illinois |
| 9 | William B. Taylor | 30 | Head | Fireman | Illinois |
| 10 | Mabel Taylor | 29 | Wife | — | Illinois |
| 11 | Miles Taylor | 6 | Son | — | Illinois |
| 12 | Norma Taylor | 3 | Daughter | — | Illinois |
| 13 | Martin Keller | 59 | Head | Tailor | Germany |
| 14 | Ellen Keller | 60 | Wife | — | England |
| 15 | Jacob Rosenthal | 40 | Head | Salesman | Russia |
| 16 | Yetta Rosenthal | 38 | Wife | — | Russia |
| 17 | Hyman Rosenthal | 17 | Son | — | Russia |
| 18 | Harry Rosenthal | 15 | Son | — | Wisconsin |
| 19 | Louis Rosenthal | 13 | Son | — | Wisconsin |
| 20 | Bessie Rosenthal | 12 | Daughter | — | Wisconsin |
| 21 | Sam Rosenthal | 11 | Son | — | Wisconsin |
| 22 | Marion Rosenthal | 1 | Daughter | — | Illinois |
| 23 | Paul Khuler | 30 | Head | Clerk | Germany |
| 24 | Ada Khuler | 60 | Mother | — | Germany |
| 25 | Sam Weinberg | 76 | Head | — | Russia |
| 26 | Sarah Weinberg | 76 | Wife | — | Russia |
| 27 | Katie Katz | 45 | Head | Finisher | Russia |
| 28 | Sam Serreri | 52 | Head | Laborer | Italy |
| 29 | Alfonso Serreri | 44 | Wife | — | Italy |
| 30 | Sam Serreri | 16 | Son | Laborer | Illinois |
| 31 | Christine Serreri | 15 | Daughter | — | Illinois |
| 32 | Mary Serreri | 11 | Daughter | — | Illinois |
| 33 | Pauline Serreri | 11 | Daughter | — | Illinois |
| 34 | Vito Serreri | 8 | Son | — | Illinois |
| 35 | Cyrus Serreri | 6 | Son | — | Illinois |
| 36 | James Hickey | 44 | Head | Salesman | New York |
| 37 | Catherine Hickey | 33 | Wife | — | Germany |
| 38 | Jane Hickey | 15 | Daughter | Clerk | Illinois |
| 39 | Edward Hickey | 13 | Son | — | Illinois |
| 40 | Mary Hickey THIS PERSON | 11 | Daughter | — | Illinois |
| 41 | Ray Hickey | 8 | Son | — | Illinois |
| 42 | Mildred Hickey | 6 | Daughter | — | Illinois |
| 43 | John Hickey | 3 | Son | — | Illinois |
| 44 | Harry Hickey | 1 | Son | — | Illinois |
| 45 | Isaac Han | 56 | Head | Inspector | Pennsylvania |
| 46 | Pauline Han | 58 | Wife | — | Germany |
| 47 | Samuel Litz | 41 | Head | Doctor | Russia |
| 48 | Bessie Litz | 40 | Wife | — | Russia |
| 49 | Fanny Litz | 14 | Daughter | — | Illinois |
| 50 | Herbert Litz | 12 | Son | — | Illinois |
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)