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Mary Lyons — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Lyons across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 9-person household.
Age 50
b. ~1870
Female
Head
Born: Ireland
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Lyons |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Ireland |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1870 |
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 |
|---|---|---|---|---|
| Bernice Lyons | Daughter | — | 15 | ~1905 |
| Mary Lyons | Head | — | 50 | ~1870 |
| Alexander Forbes | Other | — | 57 | ~1863 |
| Bernice Lyons | Other | — | 5 | ~1915 |
| Dennis Callahan | Other | — | 57 | ~1863 |
| Jean Lyons | Other | — | 22 | ~1898 |
| John Lyons | Son | — | 35 | ~1885 |
| James Lyons | Son | — | 29 | ~1891 |
| Thomas Lyons | Son | — | 25 | ~1895 |
Census Appearances
1920
Cook, Illinois
Head, age 50
Cook, Illinois · implied b. ~1870 — 9 household members
| Surname | Lyons |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Ireland |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Cook, Illinois
Spouse, age 58
Cook, Illinois · implied b. ~1872 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lyons |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1892 |
| Age at First Marriage | 30 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Cook-County, Illinois
Spouse, age 68
Cook-County, Illinois · implied b. ~1872 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lyons |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Lyons across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Lyons
Head · 1920 · age 50 · b. ~1870 · 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:1920:14thcensusofpopu350unit:0600)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cornelius Commons | 55 | Head | — | New York |
| 2 | Margaret Commons | 50 | Wife | — | Canada |
| 3 | Cornelius Commons | 23 | Son | Switchman | New York |
| 4 | John B. Commons | 22 | Son | Locomotive Fireman | New York |
| 5 | Marie M. Commons | 20 | Daughter | — | New York |
| 6 | Harold E. Commons | 17 | Son | Clerk | New York |
| 7 | Kathleen W. Commons | 13 | Daughter | — | New York |
| 8 | Eileen Commons | 11 | Daughter | — | New York |
| 9 | Agnes Commons | 8 | Daughter | — | New York |
| 10 | Rita Commons | 5 | Daughter | — | Illinois |
| 11 | James P. Canty | 25 | Boarder | Laborer | Illinois |
| 12 | Elicia L. Abbott | 57 | Head | — | New York |
| 13 | Earl May Abbott | 22 | Son | — | Illinois |
| 14 | Lucie May Day | 75 | Boarder | — | Michigan |
| 15 | Justine Zivinski | 29 | Boarder | Janitor | Lithuania |
| 16 | Robert Chulhakian | 39 | Head | Engineer | Canada |
| 17 | Eliza J. Chulhakian | 41 | Wife | — | Canada |
| 18 | Fred W. Chulhakian | 39 | Son | Accountant | Canada |
| 19 | Ethel M. Chulhakian | 28 | Daughter | Saleswoman | Illinois |
| 20 | Elmo J. Chulhakian | 25 | Son | Asst. Buyer | Illinois |
| 21 | Roy L. Chulhakian | 13 | Son | Clerical Work | Illinois |
| 22 | Peter Luskas | 48 | Head | Retail Merchant | Greece |
| 23 | Amanda Luskas | 42 | Wife | — | Greece |
| 24 | William Luskas | 19 | Son | Salesman | Illinois |
| 25 | Angie Luskas | 17 | Son | Salesman | Illinois |
| 26 | Anita Luskas | 16 | Daughter | — | Illinois |
| 27 | Chris Luskas | 14 | Son | — | Illinois |
| 28 | Thomas Luskas | 12 | Son | — | Illinois |
| 29 | George Luskas | 10 | Son | — | Illinois |
| 30 | Dorothy Luskas | 5 | Daughter | — | Illinois |
| 31 | Sophia Luskas | 3 | Daughter | — | Illinois |
| 32 | James Luskas | 1 | Son | — | Illinois |
| 33 | Mary Lyons THIS PERSON | 50 | Head | — | Ireland |
| 34 | John Lyons | 35 | Son | Conductor | Illinois |
| 35 | James Lyons | 29 | Son | Checker | Illinois |
| 36 | Thomas Lyons | 25 | Son | Switchman | Illinois |
| 37 | Jean Lyons | 22 | Daughter in law | — | Illinois |
| 38 | Bernice Lyons | 15 | Daughter | — | Illinois |
| 39 | Bernice Lyons | 5 | Granddaughter | — | Illinois |
| 40 | Alexander Forbes | 57 | Boarder | Clerk | Canada |
| 41 | Dennis Callahan | 57 | Boarder | Laborer | Missouri |
| 42 | Martin Lawrence | 53 | Head | Conductor | Ireland |
| 43 | Catherine Lawrence | 47 | Wife | Retail Merchant | Canada |
| 44 | Martin Lawrence | 15 | Son | Inspector | Illinois |
| 45 | Eileen Lawrence | 11 | Daughter | — | Illinois |
| 46 | Arthur Boettcher | 39 | Head | Conductor | Illinois |
| 47 | Lina Boettcher | 38 | Wife | — | Illinois |
| 48 | Eleanor Boettcher | 13 | Son | — | Illinois |
| 49 | Florence Boettcher | 10 | Daughter | — | Illinois |
| 50 | Ida Leroy | 32 | Boarder | Laundress | 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)