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Mary Grimes — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Mary Grimes across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Harry & Harry — first a daughter (b.~1920), then head of a 8-person household.
Age 20
b. ~1920
Female
Daughter
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Grimes |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1920 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Grimes | Son | — | 14 | ~1926 |
| Charles Grimes | Son | — | 17 | ~1923 |
| Joseph Grimes | Son | — | 22 | ~1918 |
| Catherine Grimes | Daughter | — | 15 | ~1925 |
| Mary Grimes | Daughter | — | 20 | ~1920 |
| Rose Grimes | Daughter | — | 12 | ~1928 |
| Mabel Grimes | Spouse | — | 45 | ~1895 |
| Harry Grimes | Head | — | 43 | ~1897 |
Census Appearances
1920
Jefferson, Kentucky
Daughter, age
Jefferson, Kentucky · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grimes |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Daughter, age 10
Jefferson, Kentucky · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grimes |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Daughter, age 20
Jefferson-County, Kentucky · implied b. ~1920 — 8 household members
| Surname | Grimes |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Grimes across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Grimes (~0.92 confidence) and father Harry Grimes (~0.92 confidence) and father Harry Grimes (~0.92 confidence) and mother Mabel Grimes (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Grimes
b. ~1897
Source father
● Household
· direct · ~0.92
Father
Harry Grimes
b. ~1897
Source father
● Household
· direct · ~0.92
Father
Harry Grimes
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Mabel Grimes
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Grimes
Daughter · 1940 · age 20 · b. ~1920 · Kentucky
★ You are viewing this record
Sibling
Catherine Grimes
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Grimes
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Grimes
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Grimes
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Grimes
Sibling · 1940 · age 22
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
1940 US Federal Census — Jefferson-County, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01367-00271)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lucille Tilford | 26 | Lodger | Saleslady | Kentucky |
| 42 | Joseph Gaffney | 31 | Head | Clerk | Kentucky |
| 43 | Julia Gaffney | 64 | Mother | — | Kentucky |
| 44 | Lawrence Gaffney | 20 | Brother | — | Kentucky |
| 45 | Catherine Misgier | 32 | Head | — | Kentucky |
| 46 | Gos G Misgier | 49 | Husband | Clerk | Kentucky |
| 47 | George Snyder | 49 | Head | Baker | Kentucky |
| 48 | George Jr Snyder | 26 | Son | Truck Driver | Kentucky |
| 49 | Thelma Snyder | 20 | Daughter in law | — | Kentucky |
| 50 | Cecil J Snyder | 1 | Grandson | — | Kentucky |
| 51 | Albert Knosp | 23 | Head | Tractor Driver | Kentucky |
| 52 | Frances Knosp | 28 | Wife | — | Indiana |
| 53 | Louis Bertrand | 27 | Head | Fireman | Kentucky |
| 54 | Antoinette Bertrand | 33 | Wife | — | Kentucky |
| 55 | Louis Jr Bertrand | 13 | Son | — | Kentucky |
| 56 | Anna M Bertrand | 11 | Daughter | — | Kentucky |
| 57 | Doris M Bertrand | 9 | Daughter | — | Kentucky |
| 58 | Frances Bertrand | 6 | Daughter | — | Kentucky |
| 59 | Marvin R Bertrand | 4 | Son | — | Kentucky |
| 61 | Elizabeth Schoenman | 83 | Head | — | Kentucky |
| 62 | Nettie Schoenman | 36 | Daughter | Bookkeeping | Kentucky |
| 63 | Clifford Davis | 25 | Head | Truck Driver | Kentucky |
| 64 | Edna Davis | 24 | Wife | — | Kentucky |
| 65 | Henry G Boeter | 90 | Head | — | Kentucky |
| 66 | Mary R Boeter | 81 | Sister | — | Kentucky |
| 67 | Catherine M Boeter | 78 | Sister | — | Kentucky |
| 68 | Sylvester Lege | 36 | Head | Brass Finisher | Kentucky |
| 69 | Genera Lege | 34 | Wife | — | Kentucky |
| 70 | Charmaine Lege | 12 | Daughter | — | Kentucky |
| 71 | Carmel Lege | 9 | Daughter | — | Kentucky |
| 72 | Sylvester Jr Lege | 8 | Son | — | Kentucky |
| 73 | Harry Grimes | 43 | Head | Cabinet Maker | Kentucky |
| 74 | Mabel Grimes | 45 | Wife | — | Kentucky |
| 75 | Joseph Grimes | 22 | Son | Bartender | Kentucky |
| 76 | Mary Grimes THIS PERSON | 20 | Daughter | — | Kentucky |
| 77 | Charles L Grimes | 17 | Son | New Worker | Kentucky |
| 78 | Catherine Grimes | 15 | Daughter | — | Kentucky |
| 79 | John Grimes | 14 | Son | — | Kentucky |
| 80 | Rose M Grimes | 12 | Daughter | — | Kentucky |
Pedigree Summary
Mary + 5 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)