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Margaret Alexander — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Margaret Alexander across the 1910 and 1920 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1910), then head of a 6-person household.
Age 10
b. ~1910
Female
Daughter
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | Alexander |
| Given Name | Margaret L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | La Grange Village |
| Est. Birth Year | ~1910 |
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 |
|---|---|---|---|---|
| Chas Alexander | Head | — | 39 | ~1881 |
| Charles Alexander | Son | — | 7 | ~1913 |
| Julia Alexander | Spouse | — | 38 | ~1882 |
| Genevieve Alexander | Daughter | — | 12 | ~1908 |
| Margaret Alexander | Daughter | — | 10 | ~1910 |
| Lawrence Alexander | Son | — | 6 | ~1914 |
Census Appearances
1910
Cook, Illinois
Daughter, age
Cook, Illinois · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Daughter, age 10
Cook, Illinois · implied b. ~1910 — 6 household members
| Surname | Alexander |
| Given Name | Margaret L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ohio |
| 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 |
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 Alexander across 2 US Census years (1910 and 1920) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Alexander
Daughter · 1920 · age 10 · b. ~1910 · Illinois
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Sibling
Genevieve Alexander
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Alexander
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Alexander
Sibling · 1920 · age 6
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
48 people indexed on this census page (ia:1920:14thcensusofpopu360unit:0899)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Samuel Rivaldo | 23 | Head | Riveter | Italy |
| 52 | Marion V. Rivaldo | 20 | Wife | None | Illinois |
| 53 | Pauline M. Rivaldo | 0 | Daughter | None | Illinois |
| 54 | Antonio Azzarello | 54 | Head | Peddler | Italy |
| 55 | Frances Azzarello | 48 | Wife | None | Italy |
| 56 | Charles S. Azzarello | 22 | Son | Laborer | Illinois |
| 57 | Virginia F. Azzarello | 18 | Daughter | Stenographer | Illinois |
| 58 | Roda F. Azzarello | 14 | Daughter | None | Illinois |
| 59 | Helen M. Azzarello | 10 | Daughter | None | Illinois |
| 60 | Patrick E. Sullivan | 60 | Head | Contractor | Ireland |
| 61 | Mary A. Sullivan | 60 | Wife | None | West Virginia |
| 62 | James J. Sullivan | 33 | Son | Teamster | Missouri |
| 63 | Charles J. Sullivan | 31 | Son | Teamster | Iowa |
| 64 | Frank P. Sullivan | 28 | Son | Teamster | Ohio |
| 65 | Mark H. Sullivan | 19 | Son | Teamster | Illinois |
| 66 | Mary A. Sullivan | 23 | Daughter | Helps At Home | Illinois |
| 67 | Irene B. Sullivan | 16 | Daughter | Helps At Home | Illinois |
| 68 | John E. Hennes | 38 | Head | Driver | Wisconsin |
| 69 | Agnes M. Hennes | 30 | Wife | None | Canada |
| 70 | Joseph H. Hennes | 1 | Son | None | Illinois |
| 71 | Gertrude C. Hennes | 5 | Daughter | None | Illinois |
| 72 | Mary A. Hennes | 3 | Daughter | None | Illinois |
| 73 | Arissa M. Hennes | 2 | Daughter | None | Illinois |
| 74 | Charles F. Preston | 48 | Head | Manufacturer | England |
| 75 | Mary Jane Preston | 46 | Wife | None | England |
| 76 | Lewis J. Preston | 16 | Son | Driver | Illinois |
| 77 | William B. Preston | 8 | Son | None | Illinois |
| 78 | Minnie B. Preston | 20 | Daughter | Helps At Home | Illinois |
| 79 | Myrtle A. Preston | 15 | Daughter | Helps At Home | Illinois |
| 80 | Edward J. Tepper | 27 | Head | Office Clerk | Illinois |
| 81 | Lillie A. Tepper | 25 | Wife | None | Illinois |
| 82 | Franklin J. Tepper | 9 | Son | None | Illinois |
| 83 | Grace L. Tepper | 10 | Daughter | None | Illinois |
| 84 | Otto Jackewitz | 64 | Head | Locksmith | Germany |
| 85 | Henrietta Jackewitz | 64 | Wife | None | Germany |
| 86 | John Hardiman | 36 | Head | Sand Dryer | Alabama |
| 87 | Hattie Hardiman | 38 | Wife | None | Alabama |
| 88 | Chas. E. Alexander | 39 | Head | Postal Clerk | Ohio |
| 89 | Julia Alexander | 38 | Wife | None | Illinois |
| 90 | Charles L. Alexander | 7 | Son | None | Illinois |
| 91 | Lawrence L. Alexander | 6 | Son | None | Illinois |
| 92 | Genevieve L. Alexander | 12 | Daughter | None | Illinois |
| 93 | Margaret L. Alexander THIS PERSON | 10 | Daughter | None | Illinois |
| 94 | Alexander | 4 | Daughter | None | Illinois |
| 95 | William H. Evans | 36 | Head | Secretary | Kentucky |
| 96 | Beatrice E. Evans | 23 | Wife | None | Georgia |
| 97 | William L. Evans | 5 | Son | None | Kentucky |
| 98 | Jean Evans | 3 | Daughter | None | Kentucky |
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)