MC
Mary Coughlin — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Coughlin across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1861), then head of a 6-person household.
Age 59
b. ~1861
Female
Head
Born: Pennsylvania
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Coughlin |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1861 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| George Coughlin | Son | — | 21 | ~1899 |
| Anna Coughlin | Daughter | — | 19 | ~1901 |
| Mary Coughlin | Head | — | 59 | ~1861 |
| Rose Coughlin | Daughter | — | 17 | ~1903 |
| John Coughlin | Son | — | 26 | ~1894 |
| Frank Coughlin | Son | — | 23 | ~1897 |
Census Appearances
1920
Cook, Illinois
Head, age 59
Cook, Illinois · implied b. ~1861 — 6 household members
| Surname | Coughlin |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Cook, Illinois
Other, age 70
Cook, Illinois · implied b. ~1860 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Coughlin |
| Given Name | Mary |
| Relationship to Head | Head-H |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 50 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Coughlin across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Coughlin
Head · 1920 · age 59 · b. ~1861 · Illinois
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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:1920:14thcensusofpopu310unit:1007)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alice Greene | 68 | Head | — | Illinois |
| 2 | John R Greene | 36 | Son | Salesman | Massachusetts |
| 3 | Earl R Greene | 34 | Son | Electrician | Illinois |
| 4 | Clay M Greene | 32 | Son | Asst Manager | Illinois |
| 5 | Lee E Greene | 24 | Son | Insurance Agent | Illinois |
| 6 | Bessie A Greene | 29 | Daughter | — | Illinois |
| 7 | Catherine Mcweeny | 29 | Roomer | Stenographer | Illinois |
| 8 | Margaret Clapp | 53 | Head | — | Ohio |
| 9 | Margaret Clapp | 27 | Daughter | — | Tennessee |
| 10 | Margaret Connelly | 75 | Head | — | Canada |
| 11 | Charles Connelly | 36 | Son | Electrical Engineer | New York |
| 12 | Jane Connelly | 32 | Daughter in law | — | Connecticut |
| 13 | Rose M Connelly | 7 | Granddaughter | — | Illinois |
| 14 | John Connelly | 6 | Grandson | — | Illinois |
| 15 | James Connelly | 5 | Grandson | — | Illinois |
| 16 | Jane Connelly | 1 | Granddaughter | — | Illinois |
| 17 | Irene Connelly | 39 | Daughter | Stenographer | Illinois |
| 18 | James Connelly | 47 | Son | Plumber | Illinois |
| 19 | Edwin Connelly | 45 | Son | Actor | New York |
| 20 | Jane Connelly | 40 | Daughter in law | Actress | California |
| 21 | Calman J Wolfson | 45 | Head | Independent Manuf | Rumania |
| 22 | Sonia Wolfson | 42 | Wife | — | Rumania |
| 23 | Rosalia Wolfson | 20 | Daughter | — | Rumania |
| 24 | Cecilia Wolfson | 19 | Daughter | — | Rumania |
| 25 | Esther Wolfson | 17 | Daughter | — | Illinois |
| 26 | Harold Wolfson | 16 | Son | — | Illinois |
| 27 | Leo Wolfson | 11 | Son | — | Illinois |
| 28 | Shirley Wolfson | 1 | Daughter | Yes | Illinois |
| 29 | Mary O'Hern | 55 | Head | — | Ireland |
| 30 | Anna O'Hern | 27 | Daughter | Teacher | Kentucky |
| 31 | Mary E O'Hern | 25 | Daughter | Asst Manager | Illinois |
| 32 | Hildegard O'Hern | 23 | Daughter | Teacher | Illinois |
| 33 | Mary Coughlin THIS PERSON | 59 | Head | — | Pennsylvania |
| 34 | John Coughlin | 26 | Son | Asst Manager | Illinois |
| 35 | George Coughlin | 21 | Son | Clerk | Illinois |
| 36 | Frank Coughlin | 23 | Son | — | Illinois |
| 37 | Anna Coughlin | 19 | Daughter | Stenographer | Illinois |
| 38 | Rose Coughlin | 17 | Daughter | — | Illinois |
| 39 | Catherine Shounessy | 72 | Head | — | Ireland |
| 40 | Agnes Shounessy | 32 | Daughter | Teacher | Illinois |
| 41 | Catherine Shounessy | 31 | Daughter | — | Illinois |
| 42 | John Collins | 75 | Head | — | Ireland |
| 43 | Margaret Collins | 39 | Daughter | — | Illinois |
| 44 | Nellie M Collins | 37 | Daughter | Teacher | Illinois |
| 45 | Catherine Collins | 35 | Daughter | Stenographer | Illinois |
| 46 | Josephine Collins | 31 | Daughter | Fitter | Illinois |
| 47 | Lotta Collins | 29 | Daughter | Stenographer | Illinois |
| 48 | Mary Mcclure | 52 | Head | Nurse | Illinois |
| 49 | Mary Walsh | 29 | Roomer | Dressmaker | Ireland |
| 50 | Viola Barry | 23 | Roomer | Nurse | Pennsylvania |
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)