MG
Mary Grace — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Ray, Missouri
Our Model Tree links this Mary Grace across the 1930 and 1940 US Censuses in Ray, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 5-person household.
Age 2
b. ~1928
Female
Daughter
Born: Missouri
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Ray, Missouri |
| Surname | Grace |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Can Read/Write | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Richmond City |
| Est. Birth Year | ~1928 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jackson Grace | Son | — | 5 | ~1925 |
| Mary Grace | Daughter | — | 2 | ~1928 |
| Ida Grace | Daughter | — | 9 | ~1921 |
| Viola Grace | Spouse | — | 35 | ~1895 |
| W Grace | Head | — | 37 | ~1893 |
Census Appearances
1930
Ray, Missouri
Daughter, age 2
Ray, Missouri · implied b. ~1928 — 5 household members
| Surname | Grace |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Ray-County, Missouri
Daughter, age 12
Ray-County, Missouri · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Groce |
| Given Name | Mary Julia |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Ray |
| 1935 Residence (County) | Ray |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Grace across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Grace
Daughter · 1930 · age 2 · b. ~1928 · Missouri
★ You are viewing this record
Sibling
Jackson Grace
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ida Grace
Sibling · 1930 · age 9
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 — Ray, Missouri
Open full size
1930 US Federal Census — Ray, Missouri
Page Contents
50 people indexed on this census page (ia:1930:missouricensus00reel1220:0894)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Madge L Carter | 22 | Head | — | Missouri |
| 52 | Mary L Carter | 6 | Daughter | — | Missouri |
| 53 | John H Edwards | 77 | Head | Police Judge | Virginia |
| 54 | Martha L Edwards | 70 | Wife | — | Missouri |
| 55 | Henry S Trail | 47 | Head | Sales Manager | Missouri |
| 56 | Kate S Trail | 46 | Wife | — | Missouri |
| 57 | Clementine J Trail | 22 | Daughter | Bookkeeper | Missouri |
| 58 | Geraldine S Trail | 19 | Daughter | Saleswoman | Missouri |
| 59 | Chas L Carter | 41 | Head | Agent | Missouri |
| 60 | Bessie C Carter | 42 | Wife | — | Missouri |
| 61 | Gareth L Carter | 21 | Son | Laborer | Missouri |
| 62 | Thomas J Carter | 15 | Son | — | Missouri |
| 63 | Carl H Walker | 43 | Head | Salesman | Missouri |
| 64 | Pearl Walker | 40 | Wife | — | Missouri |
| 65 | Emmett Blackburn | 53 | Head | — | Missouri |
| 66 | Ida Blackburn | 57 | Daughter | — | Illinois |
| 67 | Francis Fitzpatrick | 49 | Daughter | Bookkeeper | Illinois |
| 68 | Howard E Jackson | 72 | Head | — | Missouri |
| 69 | Lulie P Jackson | 58 | Wife | Rooming House | Missouri |
| 70 | John Jr Hutchison | 68 | Boarder | — | Missouri |
| 71 | Robert D Jr Blair | 29 | Head | Foreman | Missouri |
| 72 | Sally R Blair | 30 | Wife | — | Missouri |
| 73 | W Ray Grace | 37 | Head | Principal | Missouri |
| 74 | Viola M Grace | 35 | Wife | — | Missouri |
| 75 | Ida F Grace | 9 | Daughter | — | Missouri |
| 76 | Jackson H Grace | 5 | Son | — | Missouri |
| 77 | Mary J Grace THIS PERSON | 2 | Daughter | — | Missouri |
| 78 | Thomas B Cook | 38 | Head | Physician | Missouri |
| 79 | Alice M Cook | 30 | Wife | — | Missouri |
| 80 | Mamie W Cook | 7 | Son | — | Missouri |
| 81 | Thomas B Cook | 4 | Son | — | Missouri |
| 82 | Claude Clark | 44 | Head | Butcher | Missouri |
| 83 | Nellie M Clark | 42 | Wife | — | Missouri |
| 84 | Alice M Clark | 21 | Daughter | — | Missouri |
| 85 | Wilbur Scott | 20 | Son | Brick Mason | Missouri |
| 86 | Minnie P Scott | 18 | Daughter | Waitress | Missouri |
| 87 | Dorothy Scott | 14 | Daughter | — | Missouri |
| 88 | Maurice Scott | 12 | Son | — | Missouri |
| 89 | Nannie M Gooch | 60 | Head | Rooming House | Kentucky |
| 90 | Martha E Milstead | 73 | Head | — | Missouri |
| 91 | Carrie M Linnis | 50 | Head | — | Missouri |
| 92 | Charley N Linnis | 24 | Son | High School Clerk | Missouri |
| 93 | Bryant E Linnis | 12 | Son | Salesman | Missouri |
| 94 | Bessie D Mohr | 22 | Daughter | — | Missouri |
| 95 | Theodore R Mohr | 23 | Son-in-law | Laborer | Missouri |
| 96 | Joan G Mohr | 1 | Granddaughter | — | Missouri |
| 97 | Chas A White | 48 | Head | Nightman | Missouri |
| 98 | Nellie A White | 47 | Wife | — | Missouri |
| 99 | Beulah F White | 23 | Daughter | Saleswoman | Missouri |
| 100 | Edmund C Miller | 28 | Christian Church | Clergyman | Missouri |
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)