MD
Mary Delaney — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Delaney across the 1900, 1910 and 1920 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1855), then head of a 2-person household.
Age 65
b. ~1855
Female
Spouse
Born: Connecticut
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Delaney |
| Given Name | Mary J |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
| Township / Ward | Chicago |
| Est. Birth Year | ~1855 |
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.
2 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Delaney | Spouse | — | 65 | ~1855 |
| Ray Delaney | Son | — | 34 | ~1886 |
Census Appearances
1900
Cook, Illinois
Spouse, age 47
Cook, Illinois · implied b. ~1853 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Delaney |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Birth Month | Nov |
| Birth Year | 1853 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1910
Cook, Illinois
Spouse, age 55
Cook, Illinois · implied b. ~1855 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Delaney |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Years Married | 35 |
| Children Born | 12 |
| Children Living | 4 |
| Father's Birthplace | Ire. English |
| Mother's Birthplace | Ire. English |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
1920
Cook, Illinois
Spouse, age 65
Cook, Illinois · implied b. ~1855 — 2 household members
| Surname | Delaney |
| Given Name | Mary J |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Connecticut |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Connecticut |
| Birth Country | United States |
| Birthplace (normalized) | connecticut |
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 Delaney across 3 US Census years (1900, 1910 and 1920) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Delaney
Spouse · 1920 · age 65 · b. ~1855 · Illinois
★ You are viewing this record
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:0801)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary J Delaney THIS PERSON | 65 | Wife | — | Connecticut |
| 52 | Ray G Delaney | 34 | Son | Clerk | Wisconsin |
| 53 | Isaac Friedman | 34 | Head | Salesman | Russia |
| 54 | Blanche Friedman | 28 | Wife | — | Russia |
| 55 | Lillian Friedman | 8 | Daughter | — | Illinois |
| 56 | Leo Friedman | 5 | Daughter | — | Illinois |
| 57 | Julius Friedman | 3 | Son | — | Illinois |
| 58 | Albert Friedman | 1 | Son | — | Illinois |
| 59 | Henry Purtell | 53 | Head | Estimator | Ontario |
| 60 | Margaret Purtell | 52 | Wife | — | Ontario |
| 61 | Ernest Sader | 40 | Lodger | Draftsman | Germany |
| 62 | Edward Craig | 35 | Lodger | Laborer | Ireland |
| 63 | David Nelson | 34 | Head | Tailor | Russia |
| 64 | Gertrude Nelson | 22 | Wife | — | Russia |
| 65 | Harold Nelson | 5 | Son | — | Illinois |
| 66 | Woodrow Nelson | 1 | Son | — | Illinois |
| 67 | Charles Nelson | 68 | Head | Laborer | Norway |
| 68 | Hannah Nelson | 67 | Wife | — | Wisconsin |
| 69 | Louis Nelson | 40 | Nephew | Clerk | Wisconsin |
| 70 | Marion L Casey | 69 | Head | — | Illinois |
| 71 | Margaret Casey | 40 | Daughter | Teacher | Illinois |
| 72 | Thomas J Casey | 38 | Son | Salesman | Illinois |
| 73 | Walter Ryan | 35 | Head | Switchman | Illinois |
| 74 | Mary Ryan | 32 | Wife | — | Illinois |
| 75 | James Leo Ryan | 14 | Son | — | Illinois |
| 76 | Irene Ryan | 12 | Daughter | — | Illinois |
| 77 | Evelyn Ryan | 10 | Daughter | — | Illinois |
| 78 | Patrick Kirby | 34 | Head | Fireman | Ireland |
| 79 | Abbie Kirby | 31 | Wife | — | Ireland |
| 80 | Mary Ellen Kirby | 6 | Daughter | — | Illinois |
| 81 | Dorothy Kirby | 5 | Daughter | — | Illinois |
| 82 | Helen J Kirby | 5 | Daughter | — | Illinois |
| 83 | James Kirby | 3 | Son | — | Illinois |
| 84 | Katherine Kirby | 1 | Daughter | — | Illinois |
| 85 | Katie Sattler | 54 | Head | — | Germany |
| 86 | John J Sattler | 31 | Son | Clerical | Illinois |
| 87 | Anna Sattler | 29 | Daughter | — | Wisconsin |
| 88 | Ellen Sattler | 7 | Grand Daughter | — | Illinois |
| 89 | Louise Sattler | 2 | Grand Daughter | — | Illinois |
| 90 | Joseph Sattler | 27 | Lodger | Clerical | Wisconsin |
| 91 | William Burton | 50 | Head | Plumber | Illinois |
| 92 | Leanne Burton | 42 | Wife | — | Illinois |
| 93 | Andrew Gunan | 31 | Head | Salesman | Illinois |
| 94 | Alma Gunan | 34 | Wife | — | Illinois |
| 95 | Patrick Gunan | 1 | Son | — | Illinois |
| 96 | John Gunan | 0 | Son | — | Illinois |
| 97 | Katherine Mcgrath | 58 | Head | — | Ireland |
| 98 | Margaret Mcgrath | 25 | Daughter | — | Illinois |
| 99 | John Mcgrath | 23 | Son | — | Illinois |
| 100 | Edward Mcgrath | 21 | Son | — | 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)