JG
John Grant — 1930 US Census Record
Model Tree available1930 United States Federal Census · Douglas, Illinois
Our Model Tree links this John Grant across the 1910, 1920 and 1930 US Censuses in Douglas, Illinois (XGBoost, ~Confirmed), with identified parents Albert & Anna — first a head (b.~1904), then head of a 3-person household.
Age 26
b. ~1904
Male
Head
Born: Illinois
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Douglas, Illinois |
| Surname | Grant |
| Given Name | John G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 21 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Laborer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 5 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Laborer |
| Township / Ward | Chesterville Village |
| Est. Birth Year | ~1904 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ruth Grant | Daughter | — | 6 | ~1924 |
| John Grant | Head | — | 26 | ~1904 |
| Winona Grant | Spouse | — | 21 | ~1909 |
Census Appearances
1910
Douglas, Illinois
Son, age 5
Douglas, Illinois · implied b. ~1905 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grant |
| Given Name | John L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Douglas, Illinois
Son, age 16
Douglas, Illinois · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grant |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Douglas, Illinois
Head, age 26
Douglas, Illinois · implied b. ~1904 — 3 household members
| Surname | Grant |
| Given Name | John G. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 21 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Laborer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 5 |
| 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 Grant across 3 US Census years (1910, 1920 and 1930) in Douglas, Illinois, using XGBoost record linkage. Identified parents: father Albert Grant (~0.92 confidence) and mother Anna Grant (~0.92 confidence) and mother Gerlinde Grant (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Grant
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Anna Grant
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Gerlinde Grant
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Grant
Head · 1930 · age 26 · b. ~1904 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Douglas, Illinois
Open full size
1930 US Federal Census — Douglas, Illinois
Page Contents
18 people indexed on this census page (ia:1930:illinoiscensus00reel510:0808)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Agnes Scott | 8 | Granddaughter | — | Illinois |
| 2 | John G. Grant THIS PERSON | 26 | Head | Laborer | Illinois |
| 3 | Winona Grant | 21 | Wife | — | Illinois |
| 4 | Ruth I. Grant | 6 | Daughter | — | Illinois |
| 5 | John Isenhour | 38 | Head | Machinist | Indiana |
| 6 | Minnie Isenhour | 30 | Wife | — | Illinois |
| 7 | Lollie Isenhour | 13 | Daughter | — | Illinois |
| 8 | Lloyd Isenhour | 12 | Son | — | Illinois |
| 9 | Lucille Isenhour | 5 | Daughter | — | Illinois |
| 10 | Nicholas Isenhour | 0 | Son | — | Illinois |
| 11 | Jake F. Kauffman | 43 | Head | Farmer | Illinois |
| 12 | Fannie Kauffman | 43 | Wife | — | Indiana |
| 13 | Alvin Kauffman | 19 | Son | Laborer | Illinois |
| 14 | Eli Kauffman | 15 | Son | — | Illinois |
| 15 | Edna Kauffman | 12 | Daughter | — | Illinois |
| 16 | Mary Ann Kauffman | 8 | Daughter | — | Illinois |
| 17 | Melvin Kauffman | 6 | Son | — | Illinois |
| 18 | Joe Kauffman | 5 | Son | — | Illinois |
Pedigree Summary
John
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)