MK
Mary Kennedy — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Kennedy across the 1900, 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1850), then head of a 3-person household.
Age 70
b. ~1850
Female
Head
Born: Ohio
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Kennedy |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Widowed |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | City Of Chicago |
| Est. Birth Year | ~1850 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lillie Zuckerman | Daughter | — | 37 | ~1883 |
| Mary Kennedy | Head | — | 70 | ~1850 |
| Sarah Mcculla | Other | — | 17 | ~1903 |
Census Appearances
1900
Cook, Illinois
Other, age 52
Cook, Illinois · implied b. ~1848 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kennedy |
| Given Name | Mary |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Widowed |
| Birthplace | Ohio |
| Birth Month | Sept |
| Birth Year | 1848 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1910
Cook, Illinois
Head, age 59
Cook, Illinois · implied b. ~1851 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kennedy |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Ohio |
| Years Married | 27 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Cook, Illinois
Head, age 70
Cook, Illinois · implied b. ~1850 — 3 household members
| Surname | Kennedy |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Widowed |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Cook, Illinois
Other, age 79
Cook, Illinois · implied b. ~1851 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kennedy |
| Given Name | Mary |
| Relationship to Head | Mother in law |
| Sex | F |
| Color / Race | White |
| Age | 79 |
| Marital Status | Widowed |
| Birthplace | Ohio |
| Age at First Marriage | 17 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Kennedy across 4 US Census years (1900, 1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
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This person
Anchor record
Mary Kennedy
Head · 1920 · age 70 · b. ~1850 · Illinois
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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:1920:14thcensusofpopu357unit:0058)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Johnson | 18 | Daughter | Typist | Illinois |
| 2 | Loretta Johnson | 16 | Daughter | — | Illinois |
| 3 | Mary Johnson | 26 | Daughter | Stenographer | Illinois |
| 4 | Mary Kennedy THIS PERSON | 70 | Head | — | Ohio |
| 5 | Lillie Zuckerman | 37 | Daughter | Lawyer | Indiana |
| 6 | Mamie | 34 | Daughter | — | Illinois |
| 7 | William | 14 | Nephew | — | Illinois |
| 8 | Sarah Mcculla | 17 | Grandchild | Telephone Op | Illinois |
| 9 | Mary Heaner | 43 | Head | — | Massachusetts |
| 10 | Mabel | 14 | Daughter | — | Illinois |
| 11 | Ethel | 12 | Daughter | — | Illinois |
| 12 | Thos Madden | 21 | Nephew | Clerk | Illinois |
| 13 | Russell | 18 | Nephew | Clerk | Illinois |
| 14 | Harry | 16 | Nephew | Clerk File | Illinois |
| 15 | Matilda Rodger | 45 | Sister | Clerk | Massachusetts |
| 16 | William Dehmel | 60 | Head | Laborer | Germany |
| 17 | Bertha | 60 | Wife | — | Germany |
| 18 | Lottie | 19 | Daughter | Clerk | Illinois |
| 19 | William Jr | 34 | Son | Collector | Illinois |
| 20 | John | 17 | Son | Office Boy | Illinois |
| 21 | August Hanson | 49 | Head | Stationary Eng | Norway |
| 22 | Sophia | 37 | Wife | — | Poland |
| 23 | Lawrence | 13 | Son | — | Illinois |
| 24 | Irene | 9 | Daughter | — | Illinois |
| 25 | Henry Berger | 64 | Head | Iron Molder | Germany |
| 26 | Ida | 53 | Wife | — | Germany |
| 27 | Carl | 25 | Son | Clerk | Illinois |
| 28 | Veda | 23 | Daughter | Clerk Office | Illinois |
| 29 | Herbert Meyer | 25 | Head | Machinist | Illinois |
| 30 | Emma | 24 | Wife | — | Illinois |
| 31 | Charles | 63 | Father | Retired | Germany |
| 32 | Charles Cichock | 32 | Head | Teamster | Illinois |
| 33 | Elizabeth | 23 | Wife | — | Illinois |
| 34 | Richard | 5 | Daughter | — | Illinois |
| 35 | Dorothy | 3 | Daughter | — | Illinois |
| 36 | Evelyn | 0 | Daughter | — | Illinois |
| 37 | Johanna Country | 76 | Head | Keeper | Sweden |
| 38 | Henry | 34 | Boarder | Teamster | Illinois |
| 39 | William | 60 | Boarder | Laborer | Germany |
| 40 | Albert | 30 | Boarder | Sawyer | Illinois |
| 41 | Arthur Ferich | 26 | Head | Salesman | Illinois |
| 42 | Selma | 27 | Wife | — | Illinois |
| 43 | Irma | 2 | Daughter | — | Illinois |
| 44 | William Yanske | 36 | Head | Salesman | Illinois |
| 45 | Elizabeth | 31 | Wife | — | Illinois |
| 46 | Joseph Hohik | 42 | Head | Carpenter | Bohemia |
| 47 | Barbara | 35 | Wife | — | Bohemia |
| 48 | Annie | 11 | Daughter | — | Illinois |
| 49 | Helen | 9 | Daughter | — | Illinois |
| 50 | Otto | 8 | 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)