MC
Margaret Callahan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Margaret Callahan across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1916), then head of a 12-person household.
Age 14
b. ~1916
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Callahan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1916 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Catherine Callahan | Daughter | — | 7 | ~1923 |
| Robert Callahan | Son | — | 16 | ~1914 |
| George Callahan | Head | — | 47 | ~1883 |
| Timothy Callahan | Son | — | 5 | ~1925 |
| Elizabeth Callahan | Spouse | — | 45 | ~1885 |
| Arletta Callahan | Other | — | 2 | ~1928 |
| Gilbert Callahan | Son | — | 25 | ~1905 |
| Lorraine Callahan | Daughter | — | 12 | ~1918 |
| Irene Callahan | Other | — | 31 | ~1899 |
| Margaret Callahan | Daughter | — | 14 | ~1916 |
| Joseph Callahan | Son | — | 10 | ~1920 |
| Elizabeth Callahan | Other | — | 4 | ~1926 |
Census Appearances
1920
Cook, Illinois
Daughter, age 3
Cook, Illinois · implied b. ~1917 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Callahan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Miss |
| Mother's Birthplace | Miss |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 14
Cook, Illinois · implied b. ~1916 — 12 household members
| Surname | Callahan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| 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 Callahan across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Callahan
Daughter · 1930 · age 14 · b. ~1916 · Illinois
★ You are viewing this record
Sibling
Joseph Callahan
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Timothy Callahan
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lorraine Callahan
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Callahan
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Callahan
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gilbert Callahan
Sibling · 1930 · age 25
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:illinoiscensus00reel444:0061)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard Curran | 31 | Head | Plasterer | Illinois |
| 2 | Agnes Curran | 28 | Wife | — | Illinois |
| 3 | Patricia Curran | 4 | Daughter | — | Illinois |
| 4 | William Curran | 1 | Son | — | Illinois |
| 5 | Judith Barcus | 50 | Head | Coachman | Indiana |
| 6 | Chester Barcus | 22 | Son | Worker | Illinois |
| 7 | Beauford Barcus | 20 | Son | Worker | Illinois |
| 8 | John B. Barcus | 10 | Son | — | Illinois |
| 9 | George Sermakas | 30 | Head | Foreman | Wisconsin |
| 10 | Beatrice Sermakas | 24 | Wife | — | Illinois |
| 11 | George Jr. Sermakas | 3 | Son | — | Illinois |
| 12 | Richard Sermakas | 1 | Son | — | Illinois |
| 13 | Anthony Hochertz | 50 | Head | Tender | Germany |
| 14 | Katherine Hochertz | 47 | Wife | — | Illinois |
| 15 | Anthony Jr. Hochertz | 17 | Son | Worker | Illinois |
| 16 | Edward Hochertz | 16 | Son | Errand Boy | Illinois |
| 17 | Marie Hochertz | 12 | Daughter | — | Illinois |
| 18 | Dorothy Hochertz | 10 | Daughter | — | Illinois |
| 19 | Madeline Hochertz | 8 | Daughter | — | Illinois |
| 20 | Charlotte Hochertz | 6 | Daughter | — | Illinois |
| 21 | Harry Hochertz | 4 | Son | — | Illinois |
| 22 | Rollad Lane | 45 | Head | — | Illinois |
| 23 | Ellis Frank Lane | 83 | Father | — | Virginia |
| 24 | Oakley Belden | 34 | Head | Rate Clerk | Iowa |
| 25 | Ruth Belden | 32 | Wife | — | Iowa |
| 26 | Donald Belden | 2 | Son | — | Illinois |
| 27 | George Callahan | 47 | Head | Engineer | Illinois |
| 28 | Elizabeth Callahan | 45 | Wife | — | Illinois |
| 29 | Robert Callahan | 16 | Son | — | Illinois |
| 30 | Margaret Callahan THIS PERSON | 14 | Daughter | — | Illinois |
| 31 | Lorraine Callahan | 12 | Daughter | — | Illinois |
| 32 | Joseph Callahan | 10 | Son | — | Illinois |
| 33 | Catherine Callahan | 7 | Daughter | — | Illinois |
| 34 | Timothy Callahan | 5 | Son | — | Illinois |
| 35 | Gilbert Callahan | 25 | Son | Watchman | Illinois |
| 36 | Irene Callahan | 31 | Daughter-in-law | — | Illinois |
| 37 | Elizabeth Callahan | 4 | Granddaughter | — | Illinois |
| 38 | Arletta Callahan | 2 | Granddaughter | — | Illinois |
| 39 | Joseph Brane | 24 | Head | Salesman | Pennsylvania |
| 40 | Goldie Brane | 21 | Wife | — | Illinois |
| 41 | Charles Bradford | 48 | Head | Millwright | Tennessee |
| 42 | Ida Bradford | 53 | Wife | — | Illinois |
| 43 | Arthur Larson | 28 | Boarder | — | Rhode Island |
| 44 | Louise Vandermeer | 60 | Head | — | France |
| 45 | Stephen Vandermeer | 34 | Son | Carpenter | France |
| 46 | Lawrence Vandermeer | 21 | Son | Salesman | Illinois |
| 47 | James Haitshorn | 77 | Head | Retired | Ohio |
| 48 | Ruth Haitshorn | 70 | Wife | — | Ohio |
| 49 | Charles Haitshorn | 42 | Son | Beveler | Ohio |
| 50 | William Haitshorn | 27 | Son | Laborer | Illinois |
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)