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James Mcgrath — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cook, Illinois
Our Model Tree links this James Mcgrath across the 1910 and 1920 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1898), then head of a 8-person household.
Age 22
b. ~1898
Male
Son
Born: Illinois
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Cook, Illinois |
| Surname | McGrath |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Steamfitter |
| Industry | Gas Company |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Steamfitter |
| 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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| John Mcgrath | Head | — | 47 | ~1873 |
| Robert Mcgrath | Son | — | 13 | ~1907 |
| Thomas Mcgrath | Son | — | 16 | ~1904 |
| John Mcgrath | Son | — | 21 | ~1899 |
| Edmond Mcgrath | Son | — | 10 | ~1910 |
| James Mcgrath | Son | — | 22 | ~1898 |
| Daniel Mcgrath | Son | — | 19 | ~1901 |
| Bridget Mcgrath | Spouse | — | 45 | ~1875 |
Census Appearances
1910
Cook, Illinois
Son, age 11
Cook, Illinois · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGrath |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 22
Cook, Illinois · implied b. ~1898 — 8 household members
| Surname | McGrath |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Steamfitter |
| Industry | Gas Company |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| 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 James Mcgrath across 2 US Census years (1910 and 1920) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
James Mcgrath
Son · 1920 · age 22 · b. ~1898 · Illinois
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Sibling
John Mcgrath
Sibling · 1920 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mcgrath
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Mcgrath
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mcgrath
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edmond Mcgrath
Sibling · 1920 · age 10
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:1920:14thcensusofpopu347unit:0284)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Bracken | 25 | Wife | None | Illinois |
| 2 | Thomas Bracken | 2 | Son | None | Illinois |
| 3 | William Mullen | 32 | Head | Live Stock Broker | Illinois |
| 4 | Rose Mullen | 29 | Wife | None | Illinois |
| 5 | Loyola Mullen | 8 | Daughter | None | Illinois |
| 6 | Jeremiah Russell | 42 | Head | Watchman | Ireland |
| 7 | Bridget Russell | 39 | Wife | None | Ireland |
| 8 | Mary Kennedy | 55 | Head | None | Ireland |
| 9 | Alice Kennedy | 28 | Daughter | Clerk | Illinois |
| 10 | Helen Kennedy | 20 | Daughter | Teacher | Illinois |
| 11 | Matthew Hanley | 28 | Nephew | Salesman | Ireland |
| 12 | Frank W. Kimmey | 26 | Head | Truck Driver | Illinois |
| 13 | Hannah Kimmey | 25 | Wife | None | Ireland |
| 14 | Josephine Kimmey | 3 | Daughter | None | Illinois |
| 15 | Francis Kimmey | 2 | Son | None | Illinois |
| 16 | John Kennedy | 56 | Head | Moulder | Ireland |
| 17 | Nora Kennedy | 49 | Wife | None | Ireland |
| 18 | Robert E. Cunningham | 36 | Head | Pressman | Ohio |
| 19 | Catherine Cunningham | 37 | Wife | None | Illinois |
| 20 | Mary Cunningham | 12 | Daughter | None | Illinois |
| 21 | William Cunningham | 10 | Son | None | Illinois |
| 22 | Catherine Cunningham | 8 | Daughter | None | Illinois |
| 23 | Catherine Brennan | 54 | Head | None | Ireland |
| 24 | Thomas Brennan | 21 | Son | Herder | Illinois |
| 25 | Mary Brennan | 19 | Daughter | Clerk | Illinois |
| 26 | Lillian Cunningham | 8 | Daughter | None | Illinois |
| 27 | Eileen Cunningham | 5 | Daughter | None | Illinois |
| 28 | Robert M. Cunningham | 2 | Son | None | Illinois |
| 29 | William Shanks | 62 | Head | Mattressmaker | Germany |
| 30 | Annie Shanks | 50 | Wife | None | Illinois |
| 31 | Sydney Shanks | 17 | Son | Clerk | Illinois |
| 32 | Charles Bullermann | 25 | Son-in-law | Laborer | Illinois |
| 33 | Alma Bullermann | 24 | Daughter | Clerk | Illinois |
| 34 | John Mcgrath | 47 | Head | Checker | Ireland |
| 35 | Bridget Mcgrath | 45 | Wife | None | Ireland |
| 36 | James Mcgrath THIS PERSON | 22 | Son | Steamfitter | Illinois |
| 37 | John Mcgrath | 21 | Son | Machinist | Illinois |
| 38 | Daniel Mcgrath | 19 | Son | Steamfitter | Illinois |
| 39 | Thomas Mcgrath | 16 | Son | Clerk | Illinois |
| 40 | Robert Mcgrath | 13 | Son | None | Illinois |
| 41 | Edmond Mcgrath | 10 | Son | None | Illinois |
| 42 | William Wallace | 46 | Head | Foreman | Maryland |
| 43 | Bessie Wallace | 36 | Wife | None | Illinois |
| 44 | Bessie Wallace | 17 | Daughter | File Clerk | Illinois |
| 45 | Herbert Wallace | 12 | Son | Errand Boy | Illinois |
| 46 | Milton Wallace | 5 | Son | None | Illinois |
| 47 | James Mcgrath | 39 | Head | Switchman | Ireland |
| 48 | Annie Mcgrath | 40 | Wife | None | Ireland |
| 49 | Catherine Mcgrath | 10 | Daughter | None | Illinois |
| 50 | John Mcgrath | 5 | Son | 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)