MH
Margaret Hamilton — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Margaret Hamilton across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Patrick & Margaret — first a daughter (b.~1908), then head of a 5-person household.
Age 22
b. ~1908
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Hamilton |
| Given Name | Margaret J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1908 |
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 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Hamilton | Other | — | 58 | ~1872 |
| Kate Finnegan | Other | — | 70 | ~1860 |
| Patrick Hamilton | Head | — | 52 | ~1878 |
| Margaret Hamilton | Daughter | — | 22 | ~1908 |
| Frank Hamilton | Son | — | 21 | ~1909 |
Census Appearances
1910
Cook, Illinois
Daughter, age 3
Cook, Illinois · implied b. ~1907 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Margaret M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Daughter, age 13
Cook, Illinois · implied b. ~1907 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Margaret B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 22
Cook, Illinois · implied b. ~1908 — 5 household members
| Surname | Hamilton |
| Given Name | Margaret J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 (1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage. Identified parents: father Patrick Hamilton (~0.92 confidence) and mother Margaret Hamilton (~0.92 confidence) and mother Margaret Hamilton (~0.92 confidence) and father Patrick Hamilton (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Hamilton
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Margaret Hamilton
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Margaret Hamilton
b. ~1874
Source mother
● Household
· direct · ~0.92
Father
Patrick Hamilton
b. ~1878
Source father
● Household
· direct · ~0.92
This person
Anchor record
Margaret Hamilton
Daughter · 1930 · age 22 · b. ~1908 · Illinois
★ You are viewing this record
Sibling
Frank Hamilton
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel481:0165)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Patrick E. Hamilton | 52 | Head | Manager | Illinois |
| 2 | Margaret J. Hamilton | 58 | Wife-H | None | Illinois |
| 3 | Margaret J. Hamilton THIS PERSON | 22 | Daughter | None | Illinois |
| 4 | Frank J. Hamilton | 21 | Son | Student | Illinois |
| 5 | Kate Finnegan | 70 | Aunt | None | Ireland |
| 6 | Howard L. Nelson | 41 | Head | Salesman | Illinois |
| 7 | Hattie A. Nelson | 40 | Wife-H | None | Illinois |
| 8 | Anna C. Nelson | 66 | Mother | None | New York |
| 9 | Louise Barcal | 45 | Aunt | None | Illinois |
| 10 | Robert P. Allen | 49 | Head | Proprietor | Illinois |
| 11 | Irene M. Allen | 45 | Wife-H | None | Pennsylvania |
| 12 | Stanley R. Allen | 21 | Son | Salesman | Illinois |
| 13 | Christian G. Patterson | 59 | Head | Principal | Illinois |
| 14 | Irene G. Patterson | 50 | Wife-H | None | Illinois |
| 15 | Heatly B. Cross | 53 | Head | Asst Supt. | Canada Eng |
| 16 | Ida K. Cross | 54 | Wife-H | None | Illinois |
| 17 | Charles H. Cross | 19 | Son | Student | Illinois |
| 18 | John Freiwald | 47 | Head | Foreman | Germany |
| 19 | Jeanette Freiwald | 45 | Wife-H | None | Illinois |
| 20 | Raymond J. Freiwald | 21 | Son | Clerk | Illinois |
| 21 | Robert H. Freiwald | 20 | Son | Clerk | Illinois |
| 22 | Jeanette B. Freiwald | 6 | Daughter | None | Illinois |
| 23 | Beatrice M. Freiwald | 1 | Daughter | None | Illinois |
| 24 | Anna D. Blatchford | 45 | Head | Stenographer | Illinois |
| 25 | Alonzo G. Lockwood | 45 | Brother in law | Manager | California |
| 26 | Helen A. Lockwood | 38 | Wife-H | None | Illinois |
| 27 | Carrie E. Martin | 58 | Head | None | England |
| 28 | Robert F. Mieling | 28 | Son in law | Lithographer | New York |
| 29 | Lillian G. Mieling | 24 | Daughter | None | Illinois |
| 30 | Andrew Sundine | 60 | Head | Contractor | Norway |
| 31 | Ingrid Sundine | 44 | Wife-H | None | Norway |
| 32 | Andrew Jr. Sundine | 18 | Son | None | Illinois |
| 33 | Robert Sundine | 12 | Son | None | Illinois |
| 34 | Richard Hoopmann | 35 | Head | Machinist | Germany |
| 35 | Margaret V. Hoopmann | 38 | Wife-H | None | Germany |
| 36 | Ingeborg Hoopmann | 9 | daughter | None | Germany |
| 37 | Mary Paul | 48 | Head | Tailor | Illinois |
| 38 | Benjamin Paul | 27 | son | Clerk | Illinois |
| 39 | Linda Paul | 19 | daughter | Student | Illinois |
| 40 | James L. Perkins | 68 | Head | None | Ohio |
| 41 | Ella M. Perkins | 63 | Wife-H | None | Illinois |
| 42 | Edward F. Butquirtz | 31 | Head | Accountant | Illinois |
| 43 | Bernice Butquirtz | 33 | Wife-H | None | Illinois |
| 44 | Robert E. Butquirtz | 3 | son | None | Illinois |
| 45 | William M. Hutchison | 52 | Head | Salesman | Ohio |
| 46 | Elsie E. Hutchison | 40 | Wife-H | None | Iowa |
| 47 | William S. Hutchison | 25 | son | Furrier | Ohio |
| 48 | Dorothy M. Hutchison | 19 | daughter | Stenographer | Illinois |
| 49 | Eunice E. Hutchison | 15 | daughter | None | Illinois |
| 50 | — | None | — | — | — |
Pedigree Summary
Margaret + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)