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Margaret Mccormick — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Margaret Mccormick across the 1910 and 1920 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1905), then head of a 12-person household.
Age 15
b. ~1905
Female
Daughter
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | McCormick |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | City Of Chicago |
| Est. Birth Year | ~1905 |
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 1920 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Edward Mccormick | Son | — | 1 | ~1919 |
| Margaret Mccormick | Daughter | — | 15 | ~1905 |
| James Mccormick | Son | — | ~1920 | |
| John Mccormick | Son | — | 7 | ~1913 |
| Lucille Mccormick | Daughter | — | 9 | ~1911 |
| William Mccormick | Son | — | 17 | ~1903 |
| Arthur Mccormick | Son | — | 13 | ~1907 |
| Nellie Mccormick | Spouse | — | 41 | ~1879 |
| William Mccormick | Son | — | 11 | ~1909 |
| Dorothy Mccormick | Daughter | — | 3 | ~1917 |
| Robert Mccormick | Son | — | 5 | ~1915 |
| Arthur Mccormick | Head | — | 43 | ~1877 |
Census Appearances
1910
Cook, Illinois
Daughter, age 4
Cook, Illinois · implied b. ~1906 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Ireland-English |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Daughter, age 15
Cook, Illinois · implied b. ~1905 — 12 household members
| Surname | McCormick |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 Mccormick across 2 US Census years (1910 and 1920) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Mccormick
Daughter · 1920 · age 15 · b. ~1905 · Illinois
★ You are viewing this record
Sibling
Arthur Mccormick
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mccormick
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Mccormick
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Mccormick
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mccormick
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mccormick
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mccormick
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mccormick
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mccormick
Sibling · 1920 · age
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
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:0659)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Reba Anspach | 18 | Daughter | — | Illinois |
| 52 | Martha Kaufman | 17 | Step-daughter | — | Illinois |
| 53 | Frieda Kaufman | 15 | Daughter | — | Illinois |
| 54 | Jacob Handelsman | 43 | Head | Manager | Russia |
| 55 | Dora Handelsman | 41 | Wife | — | Russia |
| 56 | Henry Handelsman | 16 | Son | — | Illinois |
| 57 | Theodore Handelsman | 14 | Son | — | Illinois |
| 58 | Lucille Handelsman | 12 | Daughter | — | Illinois |
| 59 | Lenora Handelsman | 10 | Daughter | — | Illinois |
| 60 | Joseph Bryan | 44 | Head | Manager | Illinois |
| 61 | Gertrude Bryan | 42 | Wife | — | Illinois |
| 62 | Sylvia Bryan | 19 | Daughter | Stenographer | Illinois |
| 63 | Myrtle Bryan | 17 | Daughter | Stenographer | Illinois |
| 64 | Mildred Bryan | 15 | Daughter | — | Illinois |
| 65 | Dan Bryan | 13 | Son | — | Illinois |
| 66 | James Bryan | 11 | Son | — | Illinois |
| 67 | Morris Barnett | 42 | Head | Proprietor | Russia |
| 68 | Henrietta Barnett | 38 | Wife | — | Russia |
| 69 | Rose Barnett | 16 | Daughter | — | Illinois |
| 70 | Esther Barnett | 14 | Daughter | — | Illinois |
| 71 | Bertha Barnett | 12 | Daughter | — | Illinois |
| 72 | Ruth Barnett | 10 | Daughter | — | Illinois |
| 73 | Sol Barnett | 8 | Son | — | Illinois |
| 74 | Arthur Mccormick | 43 | Head | Salesman | Illinois |
| 75 | Nellie Mccormick | 41 | Wife | — | Illinois |
| 76 | William Mccormick | 17 | Son | — | Illinois |
| 77 | Margaret Mccormick THIS PERSON | 15 | Daughter | — | Illinois |
| 78 | Arthur Mccormick | 13 | Son | — | Illinois |
| 79 | William Mccormick | 11 | Son | — | Illinois |
| 80 | Lucille Mccormick | 9 | Daughter | — | Illinois |
| 81 | John Mccormick | 7 | Son | — | Illinois |
| 82 | Robert Mccormick | 5 | Son | — | Illinois |
| 83 | Dorothy Mccormick | 3 | Daughter | — | Illinois |
| 84 | Edward Mccormick | 1 | Son | — | Illinois |
| 85 | James Mccormick | 0 | Son | — | Illinois |
| 86 | John Brophy | 45 | Head | Clerk | Illinois |
| 87 | Annie Brophy | 43 | Wife | — | Illinois |
| 88 | Peter Brophy | 19 | Son | Clerk | Illinois |
| 89 | John Brophy | 17 | Son | Clerk | Illinois |
| 90 | Edward Brophy | 15 | Son | — | Illinois |
| 91 | Margaret Brophy | 13 | Daughter | — | Illinois |
| 92 | Catherine Brophy | 11 | Daughter | — | Illinois |
| 93 | Alice Brophy | 9 | Daughter | — | Illinois |
| 94 | Robert Brophy | 7 | Son | — | Illinois |
| 95 | Francis Brophy | 5 | Son | — | Illinois |
| 96 | Robert Baltimore | 65 | Head | Collector | Illinois |
| 97 | Virginia Baltimore | 50 | Wife | — | Illinois |
| 98 | John Lawson | 32 | Lodger | Operator | Ohio |
| 99 | Cora Magill | 23 | Lodger | Operator | Illinois |
| 100 | Edna Magill | 21 | Lodger | Operator | 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)