MC
Mary Connors — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Connors across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1868), then head of a 7-person household.
Age 62
b. ~1868
Female
Spouse
Born: Irish Free State
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Connors |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| Naturalization Status | Naturalized |
| Year of Immigration | 1884 |
| Age at First Marriage | 21 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birthplace (normalized) | irish free state |
| Township / Ward | City Of Chicago |
| Est. Birth Year | ~1868 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Connors | Daughter | — | 21 | ~1909 |
| James Connors | Son | — | 23 | ~1907 |
| Mary Connors | Spouse | — | 62 | ~1868 |
| Enid Connors | Daughter | — | 25 | ~1905 |
| Ruth Connors | Daughter | — | 27 | ~1903 |
| Patrick Connors | Head | — | 63 | ~1867 |
| Nellie Connors | Daughter | — | 30 | ~1900 |
Census Appearances
1930
Cook, Illinois
Spouse, age 62
Cook, Illinois · implied b. ~1868 — 7 household members
| Surname | Connors |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| Naturalization Status | Naturalized |
| Year of Immigration | 1884 |
| Age at First Marriage | 21 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birthplace (normalized) | irish free state |
1940
Cook-County, Illinois
Head, age 71
Cook-County, Illinois · implied b. ~1869 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connors |
| Given Name | Maria |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 71 |
| Marital Status | Widowed |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birthplace (normalized) | irish free state |
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 Connors across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Connors
Spouse · 1930 · age 62 · b. ~1868 · 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:illinoiscensus00reel442:0555)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Elliott | 72 | Head | Finisher | Northern Ireland |
| 2 | Lillian Elliott | 37 | Daughter | None | Illinois |
| 3 | Anna Elliott | 31 | Daughter | Office Clerk | Illinois |
| 4 | Arthur Frelsch | 46 | Head | Carpenter | Illinois |
| 5 | Bertha Frelsch | 75 | Mother | None | New York |
| 6 | Herman Duif | 36 | Head | Chauffeur | Illinois |
| 7 | Lillian Duif | 28 | Wife | None | Illinois |
| 8 | Gloria Duif | 4 | Daughter | None | Illinois |
| 9 | Andrew Duif | 3 | Son | None | Illinois |
| 10 | Herman Duif | 2 | Son | None | Illinois |
| 11 | Everett Cannon | 45 | Head | Manager | England |
| 12 | Clara Cannon | 48 | Wife | None | England |
| 13 | William Cannon | 20 | Son | General Clerk | Canada English |
| 14 | Robert Cannon | 11 | Son | None | Illinois |
| 15 | Clara Heft | 45 | Head | Cook | Iowa |
| 16 | Evelyn Heft | 20 | Daughter | None | Illinois |
| 17 | Frederick Heft | 16 | Son | None | Illinois |
| 18 | Vernon Heft | 12 | Son | None | Illinois |
| 19 | George Stewart | 35 | Brother | Baker | Illinois |
| 20 | Patrick Connors | 63 | Head | Watchman | New York |
| 21 | Mary Connors THIS PERSON | 62 | Wife | None | Irish Free State |
| 22 | Nellie Connors | 30 | Daughter | Operator | Illinois |
| 23 | Ruth Connors | 27 | Daughter | Clerk | Illinois |
| 24 | Enid Connors | 25 | Daughter | Stenographer | Illinois |
| 25 | James Connors | 23 | Son | Clerk | Illinois |
| 26 | Mary A Connors | 21 | Daughter | Chemist | Illinois |
| 27 | John Dymek | 34 | Head | Stenographer | Illinois |
| 28 | Frances Dymek | 31 | Wife | None | Illinois |
| 29 | John Dymek | 9 | Son | None | Illinois |
| 30 | Eugene Dymek | 5 | Son | None | Illinois |
| 31 | Bernard Ahern | 62 | Head | Watchman | Illinois |
| 32 | Katherine Ahern | 50 | Wife | None | Illinois |
| 33 | Louis Runke | 31 | Head | Salesman | Illinois |
| 34 | Eva Runke | 27 | Wife | None | Illinois |
| 35 | Louis Runke | 1 | Son | None | Illinois |
| 36 | Charles Dukowski | 36 | Head | Retail Merchant | Illinois |
| 37 | Rose Dukowski | 29 | Wife | None | Illinois |
| 38 | Shirley Dukowski | 2 | Daughter | None | Illinois |
| 39 | Pearl Runke | 21 | Sister-in-law | General Clerk | Illinois |
| 40 | John O'Rourke | 59 | Head | Salesman | Illinois |
| 41 | Julia O'Rourke | 54 | Wife | None | Illinois |
| 42 | Lorraine O'Rourke | 10 | Daughter | None | Illinois |
| 43 | Anna O'Rourke | 8 | Daughter | None | Illinois |
| 44 | Coletta O'Rourke | 4 | Daughter | None | Illinois |
| 45 | John O'Rourke | 2 | Son | None | Illinois |
| 46 | Margaret O'Rourke | 0 | Daughter | None | Illinois |
| 47 | Michael Ryan | 37 | Head | Speculator | Illinois |
| 48 | Anna Ryan | 32 | Wife | None | Illinois |
| 49 | Mary Ryan | 16 | Niece | None | Illinois |
| 50 | John Ryan | 14 | Nephew | 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)