MH
Margaret Hamilton — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Margaret Hamilton across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1868), then head of a 6-person household.
Age 52
b. ~1868
Female
Spouse
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Hamilton |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1877 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Year of Naturalization | 1906 |
| Birthplace (normalized) | ireland |
| Township / Ward | Chicago Ill City |
| Est. Birth Year | ~1868 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Michael Hamilton | Head | — | 60 | ~1860 |
| Anna Hamilton | Daughter | — | 25 | ~1895 |
| Margaret Hamilton | Daughter | — | 22 | ~1898 |
| Margaret Hamilton | Spouse | — | 52 | ~1868 |
| Mary Hamilton | Daughter | — | 27 | ~1893 |
| John Hamilton | Son | — | 20 | ~1900 |
Census Appearances
1920
Cook, Illinois
Spouse, age 52
Cook, Illinois · implied b. ~1868 — 6 household members
| Surname | Hamilton |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1877 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Year of Naturalization | 1906 |
| Birthplace (normalized) | ireland |
1930
Cook, Illinois
Spouse, age 63
Cook, Illinois · implied b. ~1867 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1882 |
| Age at First Marriage | 48 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Cook-County, Illinois
Spouse, age 73
Cook-County, Illinois · implied b. ~1867 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same House |
| 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 Margaret Hamilton across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Hamilton
Spouse · 1920 · age 52 · b. ~1868 · 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:1920:14thcensusofpopu314unit:0800)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Michael Blazes | 45 | Head | Laborer | Russia |
| 52 | Pollie Blazes | 40 | Wife | — | Russia |
| 53 | Mattie Blazes | 15 | Daughter | Laborer | Russia |
| 54 | Edward Blazes | 9 | Son | — | Illinois |
| 55 | Pollie Blazes | 6 | Daughter | — | Illinois |
| 56 | Charles Urich | 28 | Head | Laborer | Russia |
| 57 | Helen Urich | 22 | Wife | Laborer | Russia |
| 58 | Joseph Belaski | 35 | Head | Laborer | Lithuania |
| 59 | Mary Belaski | 26 | Wife | — | Lithuania |
| 60 | John Rudity | 33 | Head | Laborer | Lithuania |
| 61 | Peternala Rudity | 34 | Wife | — | Lithuania |
| 62 | Annie Rudity | 2 | Son | — | Illinois |
| 63 | Tony Rudity | 0 | Son | — | Illinois |
| 64 | Julius Jurquilas | 27 | Boarder | Laborer | Lithuania |
| 65 | Adolph Jurquilas | 2 | Son of Boarder | — | Illinois |
| 66 | Anna Jurquilas | 52 | Mother | — | Lithuania |
| 67 | William Horn | 24 | Head | Machinist | Illinois |
| 68 | Lydia Horn | 23 | Wife | — | Illinois |
| 69 | Gilbert Horn | 2 | Son | — | Illinois |
| 70 | Lorane Horn | 1 | Daughter | — | Illinois |
| 71 | Joseph Naidago | 25 | Head | Laborer | Lithuania |
| 72 | Alice Naidago | 25 | Wife | — | Lithuania |
| 73 | George Naidago | 2 | Son | — | Illinois |
| 74 | Michael Clitibis | 45 | Head | Brakeman | Lithuania |
| 75 | Sophia Clitibis | 38 | Wife | — | Lithuania |
| 76 | Anthony Clitibis | 12 | Son | — | Pennsylvania |
| 77 | John Clitibis | 10 | Son | — | Pennsylvania |
| 78 | Alex Rocus | 60 | Boarder | Laborer | Lithuania |
| 79 | Joseph Kibicloki | 34 | Head | Laborer | Poland |
| 80 | Bernice Kibicloki | 28 | Wife | — | Poland |
| 81 | Stella Kibicloki | 9 | Daughter | — | Illinois |
| 82 | Sophia Kibicloki | 6 | Daughter | — | Illinois |
| 83 | Anna Hermick | 60 | Mother-in-law | — | Poland |
| 84 | George Hermick | 32 | Head | Conductor | Illinois |
| 85 | Gertrude Hermick | 21 | Wife | — | Illinois |
| 86 | Eugene Hermick | 2 | Son | — | Illinois |
| 87 | Michael Sticepek | 52 | Boarder | Laborer | Poland |
| 88 | Joseph Florian | 46 | Head | Presser | Bohemia |
| 89 | Mary Florian | 41 | Wife | — | Bohemia |
| 90 | Joseph Florian | 21 | Son | Cutter | Illinois |
| 91 | George Florian | 13 | Son | — | Illinois |
| 92 | Edward Florian | 6 | Son | — | Illinois |
| 93 | Florence Florian | 2 | Daughter | — | Illinois |
| 94 | Anna Florian | 2 | Daughter | — | Illinois |
| 95 | Michael Hamilton | 60 | Head | Carpenter | Ireland |
| 96 | Margaret Hamilton THIS PERSON | 52 | Wife | — | Ireland |
| 97 | Mary Hamilton | 27 | Daughter | Laborer | Illinois |
| 98 | Anna Hamilton | 25 | Daughter | — | Illinois |
| 99 | Margaret Hamilton | 22 | Daughter | Clerk | Illinois |
| 100 | John Hamilton | 20 | Son | Clerk | 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)