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.~1862), then head of a 8-person household.
Age 58
b. ~1862
Female
Head
Born: Ireland
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Coughlin |
| Given Name | Mary E |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1880 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Chicago |
| Est. Birth Year | ~1862 |
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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Amy Coughlin | Daughter | — | 31 | ~1889 |
| Robert Coughlin | Son | — | 36 | ~1884 |
| Mary Coughlin | Head | — | 58 | ~1862 |
| Catherine Noonan | Other | — | 86 | ~1834 |
| Vincent Coughlin | Son | — | 26 | ~1894 |
| Zita Coughlin | Daughter | — | 18 | ~1902 |
| Rose Coughlin | Daughter | — | 24 | ~1896 |
| Frank Coughlin | Son | — | 22 | ~1898 |
Census Appearances
1920
Cook, Illinois
Head, age 58
Cook, Illinois · implied b. ~1862 — 8 household members
| Surname | Coughlin |
| Given Name | Mary E |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1880 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Cook, Illinois
Other, age 66
Cook, Illinois · implied b. ~1864 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Coughlin |
| Given Name | Mary |
| Relationship to Head | Sister-in-law |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Single |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1880 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | Irish |
| 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 Coughlin across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
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This person
Anchor record
Mary Coughlin
Head · 1920 · age 58 · b. ~1862 · 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:1920:14thcensusofpopu356unit:0344)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Cyrus Lightfoot | 25 | Son | Butcher | England |
| 52 | Richard Lightfoot | 18 | Son | Clerk | England |
| 53 | Frederick Lightfoot | 15 | Son | — | England |
| 54 | Blanche Lightfoot | 23 | Daughter in law | — | Illinois |
| 55 | Jacob Diamond | 51 | Head | Tailor | Austria |
| 56 | Mary Diamond | 49 | Wife | — | Hungary |
| 57 | Edward Diamond | 29 | Son | Clerk | New York |
| 58 | Albert Diamond | 27 | Son | Commercial Clerk | New York |
| 59 | Blanche Diamond | 23 | Daughter in law | — | New York |
| 60 | Herbert Diamond | 23 | Son | Agent | New York |
| 61 | Pearl Diamond | 22 | Daughter in law | — | Illinois |
| 62 | Beatrice Diamond | 10 | Daughter | — | New York |
| 63 | Ory L Critchfield | 36 | Head | Printer | Iowa |
| 64 | Pearl Critchfield | 28 | Wife | — | Kentucky |
| 65 | Norman Critchfield | 7 | Son | — | Illinois |
| 66 | Vernon Critchfield | 3 | Son | — | Illinois |
| 67 | Sarah Critchfield | 57 | Mother | — | Missouri |
| 68 | Mary E Coughlin THIS PERSON | 58 | Head | — | Ireland |
| 69 | Robert Coughlin | 36 | Son | Weighmaster | Illinois |
| 70 | Amy Coughlin | 31 | Daughter | Clerk | Illinois |
| 71 | Vincent Coughlin | 26 | Son | Machinist | Illinois |
| 72 | Rose Coughlin | 24 | Daughter | Time Keeper | Illinois |
| 73 | Frank Coughlin | 22 | Son | Machinist | Illinois |
| 74 | Zita Coughlin | 18 | Daughter | Clerk | Illinois |
| 75 | Catherine Noonan | 86 | Mother | — | Ireland |
| 76 | Anthony Hoffman | 65 | Head | Workman | Illinois |
| 77 | Wilhelmina Hoffman | 65 | Wife | — | Germany |
| 78 | Lillian Hoffman | 24 | Daughter | Clerk | Illinois |
| 79 | Teresa Murphy | 73 | Head | — | Michigan |
| 80 | Anna Murphy | 38 | Daughter | — | Illinois |
| 81 | William J Macferran | 56 | Head | Secretary | Pennsylvania |
| 82 | Emma Macferran | 56 | Wife | — | Pennsylvania |
| 83 | Anna Marie Hughes | 27 | Daughter | — | Pennsylvania |
| 84 | William H Hughes | 26 | Son in law | Clerk | Illinois |
| 85 | William M Hughes | 3 | Grandson | — | Illinois |
| 86 | Howard M Hughes | 1 | Grandson | — | Illinois |
| 87 | James J O'Heron | 47 | Head | Teaming Contractor | Illinois |
| 88 | Marie O'Heron | 38 | Wife | — | Illinois |
| 89 | Marie O'Heron | 13 | Daughter | — | Illinois |
| 90 | Helen O'Heron | 11 | Daughter | — | Illinois |
| 91 | James Jr O'Heron | 10 | Son | — | Illinois |
| 92 | John A Warner | 52 | Head | Commercial Traveler | New York |
| 93 | Anna Warner | 45 | Wife | — | Illinois |
| 94 | Hazel Warner | 25 | Daughter | Clerk | Illinois |
| 95 | Margaret Warner | 23 | Daughter | Librarian | Illinois |
| 96 | John Warner | 21 | Son | Commercial Traveler | Illinois |
| 97 | Marion Warner | 19 | Daughter | — | Illinois |
| 98 | Agnes Warner | 15 | Daughter | — | Illinois |
| 99 | Helen Warner | 13 | Daughter | — | Illinois |
| 100 | Frances Warner | 10 | Daughter | — | Illinois |
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)