MG
Mary Gregory — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jackson-County, Missouri
Our Model Tree links this Mary Gregory across the 1930 and 1940 US Censuses in Jackson-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 10-person household.
Age 15
b. ~1925
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jackson-County, Missouri |
| Surname | Gregory |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Additional Details | |
| Occupation | housework |
| Industry | private home |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 19 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Housework |
| Township / Ward | Kansas City |
| Est. Birth Year | ~1925 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Eloise Gregory | Daughter | — | 18 | ~1922 |
| Theresa Gregory | Daughter | — | 6 | ~1934 |
| Mary Gregory | Daughter | — | 15 | ~1925 |
| Barbara Gregory | Daughter | — | 4 | ~1936 |
| Leonard Gregory | Head | — | 44 | ~1896 |
| James Gregory | Son | — | 1 | ~1939 |
| Robert Gregory | Son | — | 9 | ~1931 |
| Paul Gregory | Son | — | 11 | ~1929 |
| Leonard Gregory | Son | — | 13 | ~1927 |
| Ethel Gregory | Spouse | — | 37 | ~1903 |
Census Appearances
1930
Jackson, Missouri
Daughter, age 5
Jackson, Missouri · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gregory |
| Given Name | Mary Belle |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Kansas |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Jackson-County, Missouri
Daughter, age 15
Jackson-County, Missouri · implied b. ~1925 — 10 household members
| Surname | Gregory |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Occupation | housework |
| Industry | private home |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 19 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Gregory across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Gregory
Daughter · 1940 · age 15 · b. ~1925 · Missouri
★ You are viewing this record
Sibling
Eloise Gregory
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Gregory
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Gregory
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Gregory
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Gregory
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonard Gregory
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Gregory
Sibling · 1940 · age 6
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 — Jackson-County, Missouri
Open full size
1940 US Federal Census — Jackson-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02175-00318)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Owen E. M. Bradley | 45 | Head | Order Clerk | Missouri |
| 42 | Rose R. Bradley | 46 | Wife | — | Missouri |
| 43 | Marie R. Hearne | 53 | Head | — | Arkansas |
| 44 | James L. Hearne | 63 | Husband | — | Missouri |
| 45 | Loretta M. Hearne | 14 | Daughter | — | Missouri |
| 46 | Leonard L. Gregory | 44 | Head | Watchman | Missouri |
| 47 | Ethel Q. Gregory | 37 | Wife | — | Kansas |
| 48 | Eloise Gregory | 18 | Daughter | Assistant Dietitian | Missouri |
| 49 | Mary Gregory THIS PERSON | 15 | Daughter | Housework | Missouri |
| 50 | Leonard Gregory | 13 | Son | — | Missouri |
| 51 | Paul Gregory | 11 | Son | — | Missouri |
| 52 | Robert Gregory | 9 | Son | — | Missouri |
| 53 | Theresa Gregory | 6 | Daughter | — | Missouri |
| 54 | Barbara Gregory | 4 | Daughter | — | Missouri |
| 55 | James Gregory | 1 | Son | — | Missouri |
| 56 | Ralph W. Howard | 52 | Head | Truck Driver | Kansas |
| 57 | Josephine Howard | 46 | Wife | — | Kentucky |
| 58 | Jesse W. Howard | 24 | Head | Mechanic | Kansas |
| 59 | Metta Howard | 22 | Wife | — | Oklahoma |
| 60 | Constance L. Howard | 2 | Daughter | — | Missouri |
| 61 | Dick W. Rolfe | 65 | Head | Contractor | Pennsylvania |
| 62 | Bertha D. Rolfe | 67 | Wife | — | Missouri |
| 63 | Betty Ann Tanner | 15 | Daughter | — | Texas |
| 64 | Norma Jean Tanner | 13 | Daughter | — | Oklahoma |
| 65 | Herbert W. Tanner | 34 | Head | Laborer | Oklahoma |
| 66 | Naomi Tanner | 31 | Wife | Packer | Missouri |
| 67 | Helen Baker | 13 | Daughter | — | Missouri |
| 68 | Charles W. Gill | 40 | Head | Carpenter | Illinois |
| 69 | Marguerite Gill | 32 | Wife | Comptometer Operator | Missouri |
| 70 | Bridget Gleason | 65 | Head | — | Ireland |
| 71 | Matthew Bennett | 27 | Head | Laborer | Missouri |
| 72 | Izola Bennett | 28 | Wife | — | Missouri |
| 73 | Lawrence Bennett | 8 | Son | — | Missouri |
| 74 | Shirley Bennett | 4 | Daughter | — | Missouri |
| 75 | Matthew Jr. Bennett | 1 | Son | — | Missouri |
| 76 | Isaac W. Drew | 48 | Head | Caretaker | Missouri |
| 77 | Nannie E. Drew | 16 | Daughter | Housework | Missouri |
| 78 | Isaac L. Drew | 13 | Son | — | Kansas |
| 79 | Georgia M. Drew | 9 | Daughter | — | Kansas |
| 80 | Sallie E. Drew | 72 | Mother | — | Missouri |
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)