MF
Mary Farrell — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Farrell across the 1900, 1910 and 1920 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1872), then head of a 4-person household.
Age 48
b. ~1872
Female
Spouse
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Farrell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1884 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1893 |
| Birthplace (normalized) | ireland |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1872 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Maude Farrell | Daughter | — | 17 | ~1903 |
| John Farrell | Head | — | 56 | ~1864 |
| John Farrell | Son | — | 10 | ~1910 |
| Mary Farrell | Spouse | — | 48 | ~1872 |
Census Appearances
1900
Cook, Illinois
Spouse, age 32
Cook, Illinois · implied b. ~1868 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Farrell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Dec |
| Birth Year | 1868 |
| Year of Immigration | 1885 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Cook, Illinois
Spouse, age 40
Cook, Illinois · implied b. ~1870 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Farrell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 16 |
| Children Born | 0 |
| Children Living | 0 |
| Year of Immigration | 1885 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Cook, Illinois
Spouse, age 48
Cook, Illinois · implied b. ~1872 — 4 household members
| Surname | Farrell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1884 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1893 |
| 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 Farrell across 3 US Census years (1900, 1910 and 1920) in Cook, Illinois, using XGBoost record linkage.
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This person
Anchor record
Mary Farrell
Spouse · 1920 · age 48 · b. ~1872 · 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:1920:14thcensusofpopu322unit:0631)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Farrell | 56 | Head | Motorman | Ireland |
| 52 | Mary Farrell THIS PERSON | 48 | Wife | — | Ireland |
| 53 | Maude E Farrell | 17 | Daughter | — | Ill |
| 54 | John J Farrell | 10 | Son | — | Ill |
| 55 | Samuel J Reid | 62 | Head | Machinist | Virginia |
| 56 | Helen Reid | 52 | Wife | — | Ill |
| 57 | William Reid | 31 | Son | Inspector | Wyoming |
| 58 | Euclid M Magnan | 34 | Head | Repairer | Mich |
| 59 | Agatha Magnan | 33 | Wife | — | Mich |
| 60 | Gertrude Magnan | 1 | Daughter | — | Mich |
| 61 | Ernest Ormeau | 41 | Head | Clerk | Canada |
| 62 | Genevieve Ormeau | 33 | Wife | — | Ill |
| 63 | Ernest Ormeau | 10 | Son | — | Ill |
| 64 | Victor Ormeau | 8 | Son | — | Ill |
| 65 | Leon Ormeau | 4 | Son | — | Ill |
| 66 | Louis Ormeau | 2 | Son | — | Ill |
| 67 | Wm L Hall | 54 | Head | Foreman | Mich |
| 68 | Anna Hall | 49 | Wife | — | Mich |
| 69 | James L Hall | 23 | Son | Clerk | Mich |
| 70 | Albert M Hall | 21 | Son | Foreman | Mich |
| 71 | Mary L Hall | 18 | Daughter | Clerk | Mich |
| 72 | William J Hall | 15 | Son | Office Boy | Mich |
| 73 | Mary M Hall | 13 | Daughter | — | Mich |
| 74 | Edward J Hall | 12 | Son | — | Mich |
| 75 | Jane Hall | 10 | Daughter | — | Mich |
| 76 | Ernest Maden | 47 | Head | Bookkeeper | Ireland |
| 77 | Catherine Maden | 45 | Wife | — | Ill |
| 78 | Mary Maden | 17 | Daughter | — | Ill |
| 79 | Geo H Higgins | 43 | Head | Foreman | Ill |
| 80 | Mary G Higgins | 42 | Wife | — | Ireland |
| 81 | Evelyn J Duneck | 22 | Daughter | Cashier | Ill |
| 82 | Fred C Duneck | 25 | Son-in-law | Clerk | Ill |
| 83 | Marjorie M Higgins | 11 | Daughter | — | Ill |
| 84 | Warren M Higgins | 7 | Daughter | — | Ill |
| 85 | Patrick H Hayes | 47 | Head | Clerk | Ill |
| 86 | Anna Hayes | 37 | Wife | — | Bohemia |
| 87 | Bessie S Hayes | 19 | Daughter | Adding Mach Oper | Ill |
| 88 | Jane S Hayes | 16 | Daughter | Operator | Ill |
| 89 | David Hayes | 14 | Son | — | Ill |
| 90 | John J Levora | 29 | Brother-in-law | Carpenter | Bohemia |
| 91 | Helen Levora | 15 | Niece | Billing Clerk | Ill |
| 92 | Mary O Morgan | 46 | Head | Music Teacher | Minn |
| 93 | Leon J Morgan | 19 | Son | Mechanic | Minn |
| 94 | Patrick J Ward | 56 | Head | Police Officer | Ill |
| 95 | Elizabeth Ward | 55 | Wife | — | Ill |
| 96 | Raymond J Ward | 20 | Son | Advertising | Ill |
| 97 | Beatrice Ward | 17 | Daughter | — | Ill |
| 98 | John Kenney | 46 | Head | Conductor | Ireland |
| 99 | Anna Kenney | 40 | Wife | — | Ireland |
| 100 | Catherine Kenney | 18 | Daughter | Stenographer | Ill |
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)