MH
Mary Healy — 1930 US Census Record
Linked across censuses1930 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.~1872), then head of a 5-person household.
Age 58
b. ~1872
Female
Spouse
Born: Illinois
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Healy |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 30 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | none |
| Industry | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1872 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Celia Healy | Daughter | — | 25 | ~1905 |
| James Healy | Head | — | 64 | ~1866 |
| James Healy | Son | — | 23 | ~1907 |
| Edward Healy | Son | — | 21 | ~1909 |
| Mary Healy | Spouse | — | 58 | ~1872 |
Census Appearances
1920
Cook, Illinois
Spouse, age 49
Cook, Illinois · implied b. ~1871 — 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 | 49 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Spouse, age 58
Cook, Illinois · implied b. ~1872 — 5 household members
| Surname | Healy |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 30 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Industry | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
Spouse, age 66
Cook-County, Illinois · implied b. ~1874 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Healey |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Highest Grade | G 8 |
| 1935 Residence | Same place |
| 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 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 · 1930 · age 58 · b. ~1872 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel442:0843)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rose Frederick | 68 | mother | None | Italy |
| 2 | Rose Shimelli | 16 | niece | None | Illinois |
| 3 | Edward Ryan | 40 | head | Salesman | Illinois |
| 4 | Johanna Ryan | 37 | wife | None | Illinois |
| 5 | Edward Ryan | 17 | son | None | Illinois |
| 6 | Frances Ryan | 15 | son | None | Illinois |
| 7 | John Ryan | 13 | son | None | Illinois |
| 8 | James Ryan | 11 | son | None | Illinois |
| 9 | Lorraine Ryan | 6 | daughter | None | Illinois |
| 10 | Frank Holmes | 32 | brother-in-law | Buffer | Illinois |
| 11 | Robert Boyer | 71 | head | Watchman | Illinois |
| 12 | Sophie Boyer | 67 | wife | None | Germany |
| 13 | William Boyer | 41 | son | Butcher | Illinois |
| 14 | Gertrude Boyer | 31 | daughter | None | Illinois |
| 15 | Augustus Bly | 52 | head | Messenger | Ohio |
| 16 | Blanche Bly | 49 | wife | None | Illinois |
| 17 | Alice Maine | 50 | sister-in-law | None | Illinois |
| 18 | Merril Maine | 23 | nephew | None | Illinois |
| 19 | Albert Rossendahl | 59 | head | Driver | Sweden |
| 20 | Lydia Rossendahl | 54 | wife | None | Sweden |
| 21 | Norma Rossendahl | 22 | daughter | None | Illinois |
| 22 | Albert Jr Rossendahl | 20 | son | None | Illinois |
| 23 | Lawrence Rossendahl | 19 | son | None | Illinois |
| 24 | Lydia R Rossendahl | 17 | daughter | None | Illinois |
| 25 | John Sandberg | 63 | head | Laborer | Sweden |
| 26 | Alma Siersell | 69 | housekeeper | Servant | Sweden |
| 27 | James Healy | 64 | head | Laborer | Illinois |
| 28 | Mary Healy THIS PERSON | 58 | wife | None | Illinois |
| 29 | Celia Healy | 25 | daughter | None | Illinois |
| 30 | James Healy | 23 | son | Accountant | Illinois |
| 31 | Edward Healy | 21 | son | Truck Driver | Illinois |
| 32 | Max Rubenstein | 47 | head | Presser | Poland |
| 33 | Anna Rubenstein | 49 | wife | None | Russia |
| 34 | Hymen Rubenstein | 20 | son | Accountant | Illinois |
| 35 | Abraham Rubenstein | 19 | son | Clerk-Shipping | Illinois |
| 36 | Louis Rubenstein | 16 | son | None | Illinois |
| 37 | Pearl Rubenstein | 13 | daughter | None | Illinois |
| 38 | Ralph Rubenstein | 11 | son | None | Illinois |
| 39 | Stanley J Kuber | 45 | head | Motorman | Illinois |
| 40 | Catherine Kuber | 39 | wife | None | Illinois |
| 41 | Catherine J Kuber | 19 | daughter | Saleslady | Illinois |
| 42 | Eloise Kuber | 9 | daughter | None | Illinois |
| 43 | Lorraine Kuber | 7 | daughter | None | Illinois |
| 44 | Stanley Jr Kuber | 5 | son | None | Illinois |
| 45 | Roy Kuber | 3 | son | None | Illinois |
| 46 | Enola Morrison | 28 | lodger | Tally Clerk | North Dakota |
| 47 | August Tysler | 34 | head | Shipping Clerk | Illinois |
| 48 | Jennie Tysler | 34 | wife | None | Illinois |
| 49 | Robert Tysler | 4 | son | None | Illinois |
| 50 | Laverne Tysler | 1 | daughter | None | Illinois |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)