JG
John Geary — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Cook, Illinois
Our Model Tree links this John Geary across the 1900 and 1910 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1892), then head of a 7-person household.
Age 8
b. ~1892
Male
Son
Born: Illinois
Single
1900 Census Record Details
| Census Year | 1900 |
| Location | Cook, Illinois |
| Surname | Geary |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Birth Month | Apr |
| Birth Year | 1892 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | At school |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | At School |
| Township / Ward | North Town |
| Est. Birth Year | ~1892 |
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 1900 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Patrick Geary | Son | — | 6 | ~1894 |
| Thomas Geary | Son | — | 3 | ~1897 |
| Bridget Geary | Spouse | — | 29 | ~1871 |
| Coleman Geary | Head | — | 48 | ~1852 |
| John Geary | Son | — | 8 | ~1892 |
| Edmond Geary | Son | — | ~1900 | |
| Coleman Geary | Son | — | 4 | ~1896 |
Census Appearances
1900
Cook, Illinois
Son, age 8
Cook, Illinois · implied b. ~1892 — 7 household members
| Surname | Geary |
| Given Name | John J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Birth Month | Apr |
| Birth Year | 1892 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | At school |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1910
Cook, Illinois
Son, age 17
Cook, Illinois · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gary |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Clerk |
| Industry | R.R. Office |
| 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 John Geary across 2 US Census years (1900 and 1910) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
John Geary
Son · 1900 · age 8 · b. ~1892 · Illinois
★ You are viewing this record
Sibling
Coleman Geary
Sibling · 1900 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Geary
Sibling · 1900 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Geary
Sibling · 1900 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edmond Geary
Sibling · 1900 · 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
1900 US Federal Census — Cook, Illinois
Open full size
1900 US Federal Census — Cook, Illinois
Page Contents
35 people indexed on this census page (ia:1900:12thcensusofpopu273unit:0331)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Bridget O'Hara | 24 | Daughter | Bookbinder | England |
| 52 | Margaret O'Hara | 18 | Daughter | Bookbinder | Illinois |
| 53 | Jane O'Hara | 16 | Daughter | Dressmaker | Illinois |
| 54 | Patrick O'Hara | 12 | Son | — | Illinois |
| 55 | Albert D Hare | 45 | Head | Cook | New York |
| 56 | Eva Hare | 38 | Wife | — | Illinois |
| 57 | George A Hare | 6 | Son | At School | Illinois |
| 58 | Mary H Hare | 4 | Daughter | — | Illinois |
| 59 | Sarah Hare | 2 | Daughter | — | Illinois |
| 60 | Robert E Hare | 0 | Son | — | Illinois |
| 61 | Lizzie Anderson | 28 | Head | Nurse | Canada |
| 62 | Albin H Anderson | 7 | Son | At School | Illinois |
| 63 | Laura K Anderson | 5 | Daughter | — | Illinois |
| 64 | Frank A Anderson | 0 | Son | — | Illinois |
| 65 | Joseph Donaldson | 24 | Boarder | Laborer Ice Cream | Illinois |
| 66 | Jennie Bergstroth | 23 | Boarder | Medicine Factory | Illinois |
| 67 | John Murtaugh | 47 | Head | Engineer | New York |
| 68 | Nellie F Murtaugh | 44 | Wife | — | New York |
| 69 | Matilda A Murtaugh | 23 | Daughter | Box Maker | New York |
| 70 | Susan Murtaugh | 14 | Daughter | At School | Ohio |
| 71 | Mary E Murtaugh | 19 | Daughter | Candy Maker | Illinois |
| 72 | Margaret Murtaugh | 17 | Daughter | Lantern Maker | Ohio |
| 73 | John T Murtaugh | 12 | Son | At School | Ohio |
| 74 | Jennie Murtaugh | 10 | Daughter | At School | Ohio |
| 75 | William C Murtaugh | 6 | Son | — | Illinois |
| 76 | Sarah A Fish | 21 | Wife | — | Illinois |
| 77 | Vincent C Fish | 24 | Head | Electrician | Illinois |
| 78 | Robert E Fish | 0 | Son | — | Illinois |
| 79 | Coleman C Geary | 48 | Head | Cement Finisher | Ireland |
| 80 | Bridget Geary | 29 | Wife | — | Ireland |
| 81 | John J Geary THIS PERSON | 8 | Son | At School | Illinois |
| 82 | Patrick H Geary | 6 | Son | At School | Illinois |
| 83 | Coleman Geary | 4 | Son | — | Ireland |
| 84 | Thomas Geary | 2 | Son | — | Illinois |
| 85 | Edmond Geary | 0 | Son | — | Illinois |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1900 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)