MG
Mary Grant — 1930 US Census Record
Model Tree available1930 United States Federal Census · Peoria, Illinois
Our Model Tree links this Mary Grant across the 1910, 1920 and 1930 US Censuses in Peoria, Illinois (XGBoost, ~Confirmed), with identified parents Rosie — first a daughter (b.~1901), then head of a 3-person household.
Age 29
b. ~1901
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Peoria, Illinois |
| Surname | Grant |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Book Keeper |
| Industry | Gen. Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Book Keeper |
| Township / Ward | City Of Peoria |
| Est. Birth Year | ~1901 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Grant | Daughter | — | 29 | ~1901 |
| Rosie Grant | Head | — | 61 | ~1869 |
| David Grant | Son | — | 31 | ~1899 |
Census Appearances
1910
Peoria, Illinois
Other, age 9
Peoria, Illinois · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grant |
| Given Name | Mary M |
| Relationship to Head | Step-daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Peoria, Illinois
Daughter, age 19
Peoria, Illinois · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grant |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Stenographer |
| Industry | Clothing Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Peoria, Illinois
Daughter, age 29
Peoria, Illinois · implied b. ~1901 — 3 household members
| Surname | Grant |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Book Keeper |
| Industry | Gen. Office |
| Class of Worker | W |
| Can Read/Write | 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 Mary Grant across 3 US Census years (1910, 1920 and 1930) in Peoria, Illinois, using XGBoost record linkage. Identified parents: mother Rosie Grant (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Rosie Grant
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Grant
Daughter · 1930 · age 29 · b. ~1901 · Illinois
★ You are viewing this record
Sibling
David Grant
Sibling · 1930 · age 31
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
1930 US Federal Census — Peoria, Illinois
Open full size
1930 US Federal Census — Peoria, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel549:0006)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Grey H. Peterson | 31 | Head | Proprietor | Illinois |
| 52 | Dorothy E. Peterson | 30 | Wife | — | Illinois |
| 53 | Donald G. Peterson | 6 | Son | — | Illinois |
| 54 | Howard Hartrumph | 37 | Head | Salesman | Illinois |
| 55 | Helen M. Hartrumph | 32 | Wife | — | Pennsylvania |
| 56 | Betty M. Hartrumph | 10 | Daughter | — | Illinois |
| 57 | Elmer W. Madine | 36 | Head | Electrician | Illinois |
| 58 | Inez H. Madine | 31 | Wife | — | Illinois |
| 59 | Darlene Madine | 10 | Daughter | — | Illinois |
| 60 | Earl H. Grimes | 23 | Head | Clerk | Illinois |
| 61 | Frances Grimes | 19 | Wife | Stenographer | Iowa |
| 62 | Francis R. Moore | 35 | Head | Inspector | Illinois |
| 63 | Hazel Moore | 29 | Wife | — | Illinois |
| 64 | Emerson Moore | 7 | Son | — | Illinois |
| 65 | Shirley Moore | 5 | Daughter | — | Illinois |
| 66 | Barbara Moore | 1 | Daughter | — | Illinois |
| 67 | Rosie Grant | 61 | Head | — | Illinois |
| 68 | David W. Grant | 31 | Son | Chemist | Illinois |
| 69 | Mary M. Grant THIS PERSON | 29 | Daughter | Book Keeper | Illinois |
| 70 | William H. Day | 38 | Head | Fireman | Illinois |
| 71 | Ethel Day | 34 | Wife | — | Illinois |
| 72 | Warren Day | 8 | Son | — | Illinois |
| 73 | Harold H. Child | 33 | Head | Timekeeper | Illinois |
| 74 | Lena C. Child | 32 | Wife | — | Illinois |
| 75 | Elinor Child | 5 | Daughter | — | Iowa |
| 76 | Thomas Child | 3 | Son | — | Illinois |
| 77 | Ethel Kennedy | 25 | Roomer | Book Keeper | Illinois |
| 78 | Jack Elliott | 39 | Head | Traveling Salesman | Illinois |
| 79 | Ruth Elliott | 36 | Wife | Clerk | Illinois |
| 80 | Catherine Elliott | 13 | Daughter | — | Illinois |
| 81 | Richard Elliott | 4 | Son | — | Illinois |
| 82 | Albert W. Polinsky | 39 | Head | Proprietor | Nebraska |
| 83 | Margaret Polinsky | 40 | Wife | — | Iowa |
| 84 | Albert J. Dean | 24 | Lodger | Salesman | Nebraska |
| 85 | John M. Buntley | 33 | Head | Clerk | Iowa |
| 86 | Ella H. Buntley | 30 | Wife | Clerk | Iowa |
| 87 | Lloyd S. Meneley | 41 | Head | Carpenter | Illinois |
| 88 | Emma H. Meneley | 42 | Wife | — | Illinois |
| 89 | Herman Meneley | 18 | Son | Office Boy | Illinois |
| 90 | Mabel H. Meneley | 15 | Daughter | — | Illinois |
| 91 | Florence Willcock | 54 | Head | — | Ohio |
| 92 | Marian Willcock | 14 | Daughter | — | Ohio |
| 93 | Betty Lou Rodgers | 4 | Boarder | — | Illinois |
| 94 | Lola Smith | 4 | Boarder | — | Illinois |
| 95 | Harry A. Stoppman | 25 | Head | Milk Tester | Iowa |
| 96 | Pauline Stoppman | 25 | Wife | — | Iowa |
| 97 | Allison Suggs | 39 | Head | Truck Driver | Illinois |
| 98 | Hattie S. Suggs | 69 | Wife | — | Illinois |
| 99 | Lloyd C. Estep | 38 | Head | Clerk | Illinois |
| 100 | Mabel L. Estep | 30 | Wife | Stenographer | Illinois |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 1 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)