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Mary Anderson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Anderson across the 1900, 1910 and 1920 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1860), then head of a 5-person household.
Age 60
b. ~1860
Female
Head
Born: Ireland
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Anderson |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 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 |
| Birthplace (normalized) | ireland |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1860 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Anna Anderson | Daughter | — | 29 | ~1891 |
| Mary Anderson | Daughter | — | 31 | ~1889 |
| Mary Anderson | Head | — | 60 | ~1860 |
| Frank Mccormick | Other | — | 49 | ~1871 |
| Robert Anderson | Son | — | 27 | ~1893 |
Census Appearances
1900
Cook, Illinois
Spouse, age 39
Cook, Illinois · implied b. ~1861 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | June |
| Birth Year | 1861 |
| Year of Immigration | 1870 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
Spouse, age 50
Cook, Illinois · implied b. ~1860 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Maggie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 30 |
| Children Born | 11 |
| Children Living | 9 |
| Year of Immigration | 1872 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Cook, Illinois
Head, age 60
Cook, Illinois · implied b. ~1860 — 5 household members
| Surname | Anderson |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| 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 Anderson across 3 US Census years (1900, 1910 and 1920) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Anderson
Head · 1920 · age 60 · b. ~1860 · 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:1920:14thcensusofpopu350unit:0623)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Pearl E. Gallagher | 32 | Wife | — | Illinois |
| 52 | Janet Gallagher | 8 | Daughter | — | Illinois |
| 53 | Ruby Gallagher | 3 | Daughter | — | Illinois |
| 54 | Oswald Freeland | 57 | Brother-in-law | Buyer | Illinois |
| 55 | Napoleon H. Blain | 69 | Head | Solicitor | Canada |
| 56 | Marine Blain | 63 | Wife | — | Canada |
| 57 | Blue Bell Blain | 33 | Daughter | — | Illinois |
| 58 | Rose Marie Blain | 28 | Daughter | Singer | Iowa |
| 59 | Marguerite Blain | 25 | Daughter | Singer | Illinois |
| 60 | Arthur Kelly | 45 | Head | Office Clerk | Illinois |
| 61 | Mary Kelly | 42 | Wife | — | Ireland |
| 62 | Zatone Kelly | 16 | Daughter | Asst Cashier | Illinois |
| 63 | Mary Kelly | 15 | Daughter | — | Illinois |
| 64 | Arthur Kelly | 13 | Son | — | Illinois |
| 65 | Madeline Kelly | 4 | Daughter | — | Illinois |
| 66 | Sylvester J. Clancy | 40 | Head | Superintendent | New York |
| 67 | Josephine Clancy | 35 | Wife | — | Ireland |
| 68 | Edward J. Clancy | 7 | Son | — | Nebraska |
| 69 | Frances Clancy | 4 | Daughter | — | Illinois |
| 70 | Sara Hackett | 63 | Mother-in-law | — | Ireland |
| 71 | Michael J. Hackett | 36 | Brother-in-law | Policeman | Ireland |
| 72 | Matthew Lynch | 46 | Boarder | Fireman | Ireland |
| 73 | Clara R. Crane | 33 | Head | — | Ohio |
| 74 | Jerome Crane | 9 | Son | — | Illinois |
| 75 | Loretta Crane | 7 | Daughter | — | Illinois |
| 76 | Marie H. Crane | 4 | Daughter | — | Illinois |
| 77 | Frances Stachler | 35 | Sister | Saleslady | Ohio |
| 78 | Henry Hart | 25 | Roomer | Clerk | Massachusetts |
| 79 | Edward Pfersdorf | 38 | Roomer | Laborer | Illinois |
| 80 | Edith Pfersdorf | 31 | Roomer | Secretary | Illinois |
| 81 | Edwin F. Flavin | 39 | Head | Plumber | Illinois |
| 82 | Armilla Flavin | 38 | Wife | — | Ohio |
| 83 | Edwin Flavin | 16 | Son | — | Wisconsin |
| 84 | John Flavin | 11 | Son | — | Illinois |
| 85 | Dolores Flavin | 6 | Daughter | — | Illinois |
| 86 | Walter Flavin | 1 | Son | — | Illinois |
| 87 | Mary Anderson THIS PERSON | 60 | Head | — | Ireland |
| 88 | Mary E. Anderson | 31 | Daughter | Stenographer | New York |
| 89 | Anna G. Anderson | 29 | Daughter | Health | New York |
| 90 | Robert A. Anderson | 27 | Son | Clerk | New York |
| 91 | Frank Mccormick | 49 | Brother | — | Illinois |
| 92 | James L. Haffle | 67 | Head | Salesman | Wisconsin |
| 93 | Ida Haffle | 54 | Wife | — | Michigan |
| 94 | Sena Westergard | 36 | Servant | Housekeeper | Denmark |
| 95 | Berry H. Hill | 39 | Head | Commission | Illinois |
| 96 | Abby L. Hill | 32 | Wife | — | Missouri |
| 97 | Tarleton Hill | 10 | Son | — | Illinois |
| 98 | Dorothy Hill | 7 | Daughter | — | Illinois |
| 99 | Lydia Schaefer | 19 | Servant | Servant | Illinois |
| 100 | Patrick T. Dolan | 40 | Head | Salesman | Iowa |
Related Census Records
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)