MH
Mary Healy — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Healy across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 13-person household.
Age 40
b. ~1880
Female
Spouse
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Healy |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1898 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Year of Naturalization | 1904 |
| Birthplace (normalized) | ireland |
| Township / Ward | City Of Chicago |
| Est. Birth Year | ~1880 |
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.
13 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Healy | Daughter | — | 8 | ~1912 |
| Helen Healy | Daughter | — | 2 | ~1918 |
| Catherine Healy | Daughter | — | 6 | ~1914 |
| Margaret Healy | Daughter | — | 4 | ~1916 |
| Thomas Healy | Head | — | 45 | ~1875 |
| John Healy | Other | — | 30 | ~1890 |
| William Healy | Other | — | 28 | ~1892 |
| Michael Healy | Other | — | 35 | ~1885 |
| Patrick Healy | Other | — | 38 | ~1882 |
| Thomas Healy | Son | — | 12 | ~1908 |
| John Healy | Son | — | 10 | ~1910 |
| James Healy | Son | — | 1 | ~1919 |
| Mary Healy | Spouse | — | 40 | ~1880 |
Census Appearances
1920
Cook, Illinois
Spouse, age 40
Cook, Illinois · implied b. ~1880 — 13 household members
| Surname | Healy |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1898 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Year of Naturalization | 1904 |
| Birthplace (normalized) | ireland |
1930
Cook, Illinois
Spouse, age 50
Cook, Illinois · implied b. ~1880 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Healey |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1904 |
| Age at First Marriage | 22 |
| 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
Head, age 63
Cook-County, Illinois · implied b. ~1877 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Healey |
| Given Name | Mary A |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Highest Grade | C 2 |
| 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 Healy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Healy
Spouse · 1920 · age 40 · b. ~1880 · Illinois
★ You are viewing this record
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:1920:14thcensusofpopu322unit:0655)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Thomas J Collins | 50 | Head | Machinist | Ireland |
| 52 | Margaret Collins | 50 | Wife | — | Ireland |
| 53 | Nora Collins | 23 | Daughter | Stenographer | Illinois |
| 54 | Richard Collins | 21 | Son | Clerk | Illinois |
| 55 | Thomas Collins | 20 | Son | Clerk | Illinois |
| 56 | Helen Collins | 19 | Daughter | Stenographer | Illinois |
| 57 | John Collins | 17 | Son | Clerk | Illinois |
| 58 | Annie Collins | 15 | Daughter | — | Illinois |
| 59 | Margaret Collins | 13 | Daughter | — | Illinois |
| 60 | Josephine Collins | 11 | Daughter | — | Illinois |
| 61 | Leo Collins | 8 | Son | — | Illinois |
| 62 | Luke Mchale | 45 | Head | Laborer | Ireland |
| 63 | Catherine Mchale | 40 | Wife | — | Ireland |
| 64 | Luke Mchale | 14 | Son | — | Illinois |
| 65 | Thomas Mchale | 12 | Son | — | Illinois |
| 66 | William Mchale | 10 | Son | — | Illinois |
| 67 | Mary Mchale | 8 | Daughter | — | Illinois |
| 68 | Sarah Mchale | 6 | Daughter | — | Illinois |
| 69 | Thomas Healy | 45 | Head | Laborer | Ireland |
| 70 | Mary Healy THIS PERSON | 40 | Wife | — | Ireland |
| 71 | Thomas Healy | 12 | Son | — | Illinois |
| 72 | John Healy | 10 | Son | — | Illinois |
| 73 | Mary Healy | 8 | Daughter | — | Illinois |
| 74 | Catherine Healy | 6 | Daughter | — | Illinois |
| 75 | Margaret Healy | 4 | Daughter | — | Illinois |
| 76 | Helen Healy | 2 | Daughter | — | Illinois |
| 77 | James Healy | 1 | Son | — | Illinois |
| 78 | Patrick Healy | 38 | Brother | Laborer | Ireland |
| 79 | Michael Healy | 35 | Brother | Laborer | Ireland |
| 80 | John Healy | 30 | Brother | Laborer | Ireland |
| 81 | William Healy | 28 | Brother | Laborer | Ireland |
| 82 | William Kleinschmidt | 45 | Head | Machinist | Germany |
| 83 | Mary Kleinschmidt | 40 | Wife | — | Germany |
| 84 | William Kleinschmidt | 18 | Son | Clerk | Illinois |
| 85 | Mary Kleinschmidt | 16 | Daughter | Stenographer | Illinois |
| 86 | John Kleinschmidt | 14 | Son | — | Illinois |
| 87 | Catherine Kleinschmidt | 12 | Daughter | — | Illinois |
| 88 | Joseph Kleinschmidt | 10 | Son | — | Illinois |
| 89 | Annie Kleinschmidt | 8 | Daughter | — | Illinois |
| 90 | George Kleinschmidt | 6 | Son | — | Illinois |
| 91 | Helen Kleinschmidt | 4 | Daughter | — | Illinois |
| 92 | Margaret Kleinschmidt | 2 | Daughter | — | Illinois |
| 93 | John Peterson | 50 | Head | Machinist | Sweden |
| 94 | Annie Peterson | 45 | Wife | — | Sweden |
| 95 | John Peterson | 22 | Son | Clerk | Illinois |
| 96 | Annie Peterson | 20 | Daughter | Stenographer | Illinois |
| 97 | George Peterson | 18 | Son | Clerk | Illinois |
| 98 | Catherine Peterson | 16 | Daughter | — | Illinois |
| 99 | William Peterson | 14 | Son | — | Illinois |
| 100 | Mary Peterson | 12 | Daughter | — | 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)