MW
Mary Walsh — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Walsh across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 2-person household.
Age 52
b. ~1878
Female
Head
Born: Canada
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Walsh |
| Given Name | Mary A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Widowed |
| Birthplace | Canada |
| Naturalization Status | Naturalized |
| Year of Immigration | 1892 |
| Age at First Marriage | 23 |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Additional Details | |
| Occupation | Dining Service |
| Industry | Tel. Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 52.00 |
| Veteran | No |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
| Occupation | Dining Service |
| Township / Ward | Chicago |
| Est. Birth Year | ~1878 |
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.
2 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Gertrude Walsh | Daughter | — | 25 | ~1905 |
| Mary Walsh | Head | — | 52 | ~1878 |
Census Appearances
1920
Cook, Illinois
Other, age 40
Cook, Illinois · implied b. ~1880 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walsh |
| Given Name | Mary |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Widowed |
| Birthplace | Canada |
| Year of Immigration | 1893 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Occupation | Matron |
| Industry | Telephone Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Canada |
| Year of Naturalization | 1893 |
| Birthplace (normalized) | canada |
1930
Cook, Illinois
Head, age 52
Cook, Illinois · implied b. ~1878 — 2 household members
| Surname | Walsh |
| Given Name | Mary A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Widowed |
| Birthplace | Canada |
| Naturalization Status | Naturalized |
| Year of Immigration | 1892 |
| Age at First Marriage | 23 |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Occupation | Dining Service |
| Industry | Tel. Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 52.00 |
| Veteran | No |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
1940
Cook-County, Illinois
Other, age 62
Cook-County, Illinois · implied b. ~1878 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walsh |
| Given Name | Mary A. |
| Relationship to Head | Mother-in-law |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Canada |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
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 Walsh 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 Walsh
Head · 1930 · age 52 · b. ~1878 · 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:illinoiscensus00reel462:1009)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Calvin Miles | 14 | Son | None | Illinois |
| 52 | Kenneth Miles | 7 | Son | None | Illinois |
| 53 | Mary A. Walsh THIS PERSON | 52 | Head | Dining Service | Canada |
| 54 | Gertrude Walsh | 25 | Daughter | Clerk | Illinois |
| 55 | Samuel Newman | 43 | Head | Druggist | New York |
| 56 | Clara Newman | 38 | Wife | None | Iowa |
| 57 | Manuel Newman | 16 | Son | None | Illinois |
| 58 | Gary M. Newman | 9 | Daughter | None | Illinois |
| 59 | Erika Kruse | 19 | Servant | Servant | Germany |
| 60 | Joseph Larkin | 39 | Head | Supt. (Asst.) | Illinois |
| 61 | Hazel Larkin | 31 | Wife | None | Missouri |
| 62 | Lawrence Larkin | 5 | Son | None | Illinois |
| 63 | Ruth Larkin | 3 | Daughter | None | Illinois |
| 64 | Joseph Jr. Larkin | 0 | Son | None | Illinois |
| 65 | William Lewis | 36 | Head | Clerk | Illinois |
| 66 | Frances Lewis | 41 | Wife | Clerk | Illinois |
| 67 | Ralph W. Smith | 47 | Head | Clerk | Indiana |
| 68 | Ada Smith | 43 | Wife | Clerk | Indiana |
| 69 | Mary Ada Smith | 18 | Daughter | Writer | Indiana |
| 70 | Wm. J. Byrnes | 39 | Head | Detective | Illinois |
| 71 | Alice Byrnes | 35 | Wife | None | Illinois |
| 72 | Robert Byrnes | 15 | Son | None | Illinois |
| 73 | Jack Byrnes | 12 | Son | None | Illinois |
| 74 | Edward Thornton | 49 | Head | Assembler | Iowa |
| 75 | Emma Thornton | 49 | Wife | None | Canada |
| 76 | Stanley Thornton | 24 | Son | Chauffeur | Illinois |
| 77 | Guy E. Fields | 55 | Head | Clerk | Illinois |
| 78 | Arthur Fields | 22 | Son | Musician | Illinois |
| 79 | Lucille M. Fields | 21 | Daughter | None | Illinois |
| 80 | Edward Mcnamara | 44 | Head | Disabled Veteran | Illinois |
| 81 | Margaret Mcnamara | 75 | Mother | None | New York |
| 82 | Lucille Bebee | 52 | Head | Operator | Kansas |
| 83 | Fred Bebee | 30 | Son | Yard Clerk | Kansas |
| 84 | Paul Bebee | 28 | Son | Messenger | Missouri |
| 85 | Matthew Mcinerney | 41 | Head | Guard | Ireland |
| 86 | Bella Mcinerney | 44 | Wife | None | Ireland |
| 87 | Annamae Mcinerney | 7 | Daughter | None | Illinois |
| 88 | John Mcinerney | 5 | Son | None | Illinois |
| 89 | Theresa Mcinerney | 1 | Daughter | None | Illinois |
| 90 | Tom Malone | 43 | Boarder | Policeman | Ireland |
| 91 | Jerry Ryan | 38 | Boarder | Repairman | Ireland |
| 92 | John Mcmahon | 20 | Boarder | Clerk | Ireland |
| 93 | Tom Kedor | 35 | Head | Manager | Greece |
| 94 | John Mitchell | 49 | Roomer | Clerk | Greece |
| 95 | Harry Deutsch | 42 | Head | Tailor | Russia |
| 96 | Bessie Deutsch | 42 | Wife | None | Russia |
| 97 | Evelyn Deutsch | 18 | Daughter | None | Illinois |
| 98 | Walter Deutsch | 16 | Son | None | Illinois |
| 99 | Milton Deutsch | 14 | Son | None | Illinois |
| 100 | Florence Deutsch | 9 | Daughter | None | 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)