MS
Mary Sweeney — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Sweeney across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1865), then head of a 5-person household.
Age 65
b. ~1865
Female
Spouse
Born: Ireland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Sweeney |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1884 |
| Age at First Marriage | 21 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1865 |
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 |
|---|---|---|---|---|
| Carroll Sweeney | Head | — | 71 | ~1859 |
| Thomas Sweeney | Son | — | 31 | ~1899 |
| John Sweeney | Son | — | 35 | ~1895 |
| James Sweeney | Son | — | 40 | ~1890 |
| Mary Sweeney | Spouse | — | 65 | ~1865 |
Census Appearances
1920
Cook, Illinois
Spouse, age 57
Cook, Illinois · implied b. ~1863 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | 1880 |
| Birth Country | Ireland |
| Year of Naturalization | 1870 |
| Birthplace (normalized) | ireland |
1930
Cook, Illinois
Spouse, age 65
Cook, Illinois · implied b. ~1865 — 5 household members
| Surname | Sweeney |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1884 |
| Age at First Marriage | 21 |
| 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 75
Cook-County, Illinois · implied b. ~1865 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | 0 |
| Industry | 0 |
| Class of Worker | No |
| Highest Grade | No 8 |
| 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 Sweeney 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 Sweeney
Spouse · 1930 · age 65 · b. ~1865 · 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
48 people indexed on this census page (ia:1930:illinoiscensus00reel425:0937)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William Shuck | 66 | Head | — | Ohio |
| 52 | Alice Shuck | 65 | Wife | — | Illinois |
| 53 | Emanuel Radel | 25 | Head | Plumber | Illinois |
| 54 | Mary Radel | 19 | Wife | — | Illinois |
| 55 | Hamilton Benson | 33 | Head | Salesman | Kentucky |
| 56 | Sara Benson | 25 | Wife | — | Kentucky |
| 57 | John Benson | 6 | Son | — | Illinois |
| 58 | Charles Handley | 31 | Head | Dentist | Illinois |
| 59 | Ruth Handley | 28 | Wife | — | Illinois |
| 60 | Joan Handley | 5 | Daughter | — | Illinois |
| 61 | Nancy Handley | 3 | Daughter | — | Illinois |
| 62 | Herbert Eppstein | 38 | Head | Salesman | Illinois |
| 63 | Alice Eppstein | 33 | Wife | — | Maryland |
| 64 | Muriel Eppstein | 7 | Daughter | — | Illinois |
| 65 | Alice Eppstein | 4 | Daughter | — | Illinois |
| 66 | Carroll Sweeney | 71 | Head | — | New York |
| 67 | Mary Sweeney THIS PERSON | 65 | Wife | — | Ireland |
| 68 | James Sweeney | 40 | Son | Inspector | Illinois |
| 69 | John Sweeney | 35 | Son | Manager | Illinois |
| 70 | Thomas Sweeney | 31 | Son | Inspector | Illinois |
| 71 | George Parker | 53 | Head | Clerk | Illinois |
| 72 | Sarah Parker | 46 | Wife | — | Wisconsin |
| 73 | Charlotte Parker | 19 | Daughter | — | Illinois |
| 74 | Joseph Meyer | 50 | Head | Proprietor | Illinois |
| 75 | Mary Meyer | 47 | Wife | — | Poland |
| 76 | Harry Meyer | 23 | Son | Butcher | Illinois |
| 77 | Sidney Meyer | 19 | Son | Butcher | Illinois |
| 78 | Jacob Glacer | 44 | Head | — | Poland |
| 79 | Sarah Glacer | 43 | Wife | — | Poland |
| 80 | Jeanette Glacer | 17 | Daughter | Stenographer | Illinois |
| 81 | Joseph Glacer | 11 | Son | — | Illinois |
| 82 | John Williams | 39 | Head | Conductor | Wales |
| 83 | Edna Williams | 36 | Wife | — | Illinois |
| 84 | Elizabeth Mccill | 66 | Mother-in-law | — | Georgia |
| 85 | Alfred Clifton | 28 | Head | Salesman | Illinois |
| 86 | Mildred Clifton | 23 | Wife | — | Illinois |
| 87 | Jean Clifton | 2 | Daughter | — | Illinois |
| 88 | George Mullen | 60 | Head | Merchant | Illinois |
| 89 | Catherine Mullen | 52 | Wife | — | Illinois |
| 90 | Ada Holmes | 56 | Head | Asst Buyer | Illinois |
| 91 | Philip Holmes | 27 | Son | Stenographer | Illinois |
| 92 | Esther Holmes | 23 | Daughter | Salesman | Illinois |
| 93 | John Holmes | 21 | Son | — | Illinois |
| 94 | Marion Holmes | 19 | Daughter | — | Illinois |
| 95 | Sol Levy | 44 | Head | President | Poland |
| 96 | Rose Levy | 31 | Wife | — | Illinois |
| 97 | John Levy | 7 | Son | — | Illinois |
| 98 | Robert Levy | 4 | Son | — | Illinois |
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)