JG
John Grace — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Cortland, New York
Our Model Tree links this John Grace across the 1900, 1910 and 1920 US Censuses in Cortland, New York (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 7-person household.
Age 56
b. ~1864
Male
Head
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Cortland, New York |
| Surname | Grace |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Fireman |
| Industry | Wire Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Ireland |
| Year of Naturalization | 1887 |
| Birthplace (normalized) | ireland |
| Occupation | Fireman |
| Township / Ward | City Of Cortland |
| Est. Birth Year | ~1864 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Grace | Son | — | 26 | ~1894 |
| Josephine Grace | Daughter | — | 22 | ~1898 |
| Mary Grace | Daughter | — | 30 | ~1890 |
| Katherine Grace | Daughter | — | 20 | ~1900 |
| John Grace | Head | — | 56 | ~1864 |
| Mary Grace | Spouse | — | 57 | ~1863 |
| Donald Grace | Son | — | 14 | ~1906 |
Census Appearances
1900
Cortland, New …
Head, age 37
Cortland, New York · implied b. ~1863 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grace |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | May |
| Birth Year | 1863 |
| Year of Immigration | 1881 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Day Laborer RR |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Cortland, New …
Head, age 46
Cortland, New York · implied b. ~1864 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grace |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 23 |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Fireman |
| Industry | Wire Cloth Mill |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Cortland, New …
Head, age 56
Cortland, New York · implied b. ~1864 — 7 household members
| Surname | Grace |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Fireman |
| Industry | Wire Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth Country | Ireland |
| Year of Naturalization | 1887 |
| Birthplace (normalized) | ireland |
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 Grace across 3 US Census years (1900, 1910 and 1920) in Cortland, New York, using XGBoost record linkage.
Show:
This person
Anchor record
John Grace
Head · 1920 · age 56 · b. ~1864 · New York
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Cortland, New York
Open full size
1920 US Federal Census — Cortland, New York
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1096unit:0044)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles G. Stone | 58 | Head | Gardener | New York |
| 2 | Nellie Stone | 29 | Daughter | Waitress | New York |
| 3 | Fred C. Stone | 27 | Son | Bartender | New York |
| 4 | Nettie Stevens | 49 | Servant | Servant | New York |
| 5 | Frank L. Cooper | 43 | Head | Manager | New York |
| 6 | Nellie F. Cooper | 36 | Wife | — | Canada |
| 7 | Harold F. Cooper | 16 | Son | Deliveryman | New York |
| 8 | Olive L. Cooper | 15 | Daughter | — | New York |
| 9 | Anna Schultheis | 52 | Head | Waitress | Ireland |
| 10 | Thomas J. Murray | 51 | Head | Bookkeeper | Ireland |
| 11 | Anna Murray | 43 | Wife | — | Wisconsin |
| 12 | Edward F. Murray | 19 | Son | Salesman | New York |
| 13 | Margaret R. Murray | 17 | Daughter | — | New York |
| 14 | Mary C. Murray | 13 | Daughter | — | New York |
| 15 | Thomas J. Jr. Murray | 9 | Son | — | New York |
| 16 | John J. Buckley | 49 | Head | Caseman | New York |
| 17 | Nellie Buckley | 44 | Wife | — | New York |
| 18 | Howard Sweeney | 21 | Nephew | Driver | New York |
| 19 | Anna Marshall | 8 | Niece | — | New York |
| 20 | William Rosen | 35 | Head | Manager | Poland |
| 21 | Lena Rosen | 33 | Wife | — | Poland |
| 22 | Jacob Rosen | 9 | Son | — | New York |
| 23 | Samuel Rosen | 8 | Son | — | New York |
| 24 | Moses Rosen | 2 | Son | — | New York |
| 25 | Samuel Bernstein | 28 | Head | Peddler | Russia |
| 26 | Goldie Bernstein | 28 | Wife | — | Poland |
| 27 | Bertha Bernstein | 1 | Daughter | — | New York |
| 28 | Ernest Perry | 30 | Head | Fire Cleaner | New York |
| 29 | Anna Perry | 30 | Wife | — | New York |
| 30 | Rita Perry | 8 | Daughter | — | New York |
| 31 | Alice Perry | 7 | Daughter | — | New York |
| 32 | Arlene Perry | 3 | Daughter | — | New York |
| 33 | John Hudson | 44 | Head | Fire Maker | New York |
| 34 | Marcellus M. Elliott | 71 | Head | — | New York |
| 35 | John Grace THIS PERSON | 56 | Head | Fireman | Ireland |
| 36 | Mary Grace | 57 | Wife | — | Ireland |
| 37 | Mary Grace | 30 | Daughter | Operator | New York |
| 38 | John Jr. Grace | 26 | Son | Drawer | New York |
| 39 | Josephine M. Grace | 22 | Daughter | Operator | New York |
| 40 | Katherine Grace | 20 | Daughter | Stenographer | New York |
| 41 | Donald D. Grace | 14 | Son | — | New York |
| 42 | Frederick Tabor | 62 | Head | Minister | New York |
| 43 | Nelly Tabor | 63 | Wife | — | New York |
| 44 | Roland Millspaugh | 13 | Grandson | — | New York |
| 45 | Daniel D. Burdick | 78 | Head | Lumberman | New York |
| 46 | Helen E. Burdick | 70 | Wife | — | New York |
| 47 | Leon H. Shaffer | 51 | Head | Fireman | New York |
| 48 | Belle Shaffer | 49 | Wife | Practitioner | Pennsylvania |
| 49 | Hugh C. Shaffer | 12 | Son | — | New York |
| 50 | James D. Hopkins | 69 | Head | Laborer | Rhode Island |
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)