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Helen Mcdonald — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cook, Illinois
Our Model Tree links this Helen Mcdonald across the 1910 and 1920 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1898), then head of a 7-person household.
Age 22
b. ~1898
Female
Daughter
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | McDonald |
| Given Name | Helen |
| 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 | Stenographer |
| Industry | Office |
| Class of Worker | S |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Stenographer |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1898 |
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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| James Mcdonald | Head | — | 52 | ~1868 |
| Nellie Mcdonald | Spouse | — | 45 | ~1875 |
| Rose Mcdonald | Daughter | — | 16 | ~1904 |
| Russell Mcdonald | Son | — | 18 | ~1902 |
| James Mcdonald | Son | — | 26 | ~1894 |
| Helen Mcdonald | Daughter | — | 22 | ~1898 |
| Donald Mcdonald | Son | — | 25 | ~1895 |
Census Appearances
1910
Cook, Illinois
Daughter, age 11
Cook, Illinois · implied b. ~1899 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | MacDonald |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Daughter, age 22
Cook, Illinois · implied b. ~1898 — 7 household members
| Surname | McDonald |
| Given Name | Helen |
| 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 | Stenographer |
| Industry | Office |
| Class of Worker | S |
| 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 Helen Mcdonald across 2 US Census years (1910 and 1920) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Mcdonald
Daughter · 1920 · age 22 · b. ~1898 · Illinois
★ You are viewing this record
Sibling
Donald Mcdonald
Sibling · 1920 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Mcdonald
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Russell Mcdonald
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mcdonald
Sibling · 1920 · age 26
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:1920:14thcensusofpopu309unit:0817)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ben Beerfield | 80 | Father-in-law | None | Germany |
| 52 | Sarah Beerfield | 72 | Mother | None | United States |
| 53 | Willie Beerfield | 44 | Sister-in-law | None | Illinois |
| 54 | Mary Mueller | 44 | Head | None | Illinois |
| 55 | Elizabeth Mueller | 22 | Daughter | Clerk | Illinois |
| 56 | David Aston | 22 | Lodger | None | Illinois |
| 57 | Gladys Aston | 20 | Lodger | None | Illinois |
| 58 | Allen Gohlman | 21 | Lodger | None | Illinois |
| 59 | Alice Gaynor | 21 | Lodger | None | Illinois |
| 60 | Mrs. Agerpe | 30 | Head | None | Illinois |
| 61 | Mrs. Harker | 21 | Lodger | None | Illinois |
| 62 | Joseph Alcock | 85 | Head | None | Ireland |
| 63 | Nellie Alcock | 62 | Wife | None | Illinois |
| 64 | Lena Pulverman | 63 | Lodger | None | Germany |
| 65 | Edith Moore | 40 | Lodger | Nurse | Canada |
| 66 | Mary Broder | 52 | Head | None | Illinois |
| 67 | Mary Broder | 32 | Daughter | None | Illinois |
| 68 | Maud Broder | 60 | Sister-in-law | Clerk | Illinois |
| 69 | Nora O'Connor | 44 | Lodger | Laundress | Illinois |
| 70 | S. A. Gleason | 44 | Lodger | None | Illinois |
| 71 | Ben Rosenbaum | 44 | Head | Salesman | Illinois |
| 72 | Wife Rosenbaum | 38 | Wife | None | Illinois |
| 73 | Miss Rosenbaum | 18 | Daughter | None | Illinois |
| 74 | Max Levin | 44 | Lodger | None | Illinois |
| 75 | Rachel Levin | 40 | Lodger | None | Illinois |
| 76 | Herman Helfeld | 45 | Head | Merchant | Austria |
| 77 | Sallie Helfeld | 42 | Wife | None | United States |
| 78 | Bertha Helfeld | 21 | Daughter | None | Illinois |
| 79 | Marvin Helfeld | 14 | Son | None | Illinois |
| 80 | Alice Helfeld | 11 | Daughter | None | Illinois |
| 81 | Carl Heunberger | 45 | Head | Physician | Germany |
| 82 | Florence Heunberger | 43 | Wife | None | Minnesota |
| 83 | Elsie Heunberger | 17 | Daughter | None | Michigan |
| 84 | Florence Heunberger | 15 | Daughter | None | Michigan |
| 85 | Margaret Heunberger | 10 | Daughter | None | Illinois |
| 86 | Helen Heunberger | 8 | Daughter | None | Illinois |
| 87 | Carl Heunberger | 5 | Son | None | Illinois |
| 88 | Alex H. Schmidt | 48 | Head | Janitor | Minnesota |
| 89 | Ida Schmidt | 45 | Wife | None | Illinois |
| 90 | Rose Schmidt | 23 | Daughter | Stenographer | Illinois |
| 91 | Henry Rosenbaum | 40 | Head | Merchant | Bohemia |
| 92 | Theresa Rosenbaum | 36 | Wife | Merchant | Bohemia |
| 93 | Isadore Rosenbaum | 30 | Brother | None | Bohemia |
| 94 | James Mcdonald | 52 | Head | Agent | Illinois |
| 95 | Nellie Mcdonald | 45 | Wife | None | Illinois |
| 96 | James Mcdonald | 26 | Son | Buyer | Illinois |
| 97 | Donald Mcdonald | 25 | Son | Meatman | Illinois |
| 98 | Helen Mcdonald THIS PERSON | 22 | Daughter | Stenographer | Illinois |
| 99 | Russell Mcdonald | 18 | Son | Clerk | Illinois |
| 100 | Rose Mcdonald | 16 | Daughter | None | 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)