MK
Mary Kennedy — 1940 US Census Record
Model Tree available1940 United States Federal Census · East-Baton-Rouge-County, Louisiana
Our Model Tree links this Mary Kennedy across the 1920, 1930 and 1940 US Censuses in East-Baton-Rouge-County, Louisiana (XGBoost, ~Confirmed), with identified parents Duncan & Hannie — first a spouse (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Female
Spouse
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | East-Baton-Rouge-County, Louisiana |
| Surname | Kennedy |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Baton Rouge City |
| 1935 Residence (County) | East Baton Rouge |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Baton Rouge City |
| Est. Birth Year | ~1917 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Betty Kennedy | Daughter | — | 4 | ~1936 |
| Tom Kennedy | Head | — | 26 | ~1914 |
| Robert Kennedy | Other | — | 22 | ~1918 |
| Jack Kennedy | Son | — | 7 | ~1933 |
| Mary Kennedy | Spouse | — | 23 | ~1917 |
Census Appearances
1920
East Baton …
Daughter, age 5
East Baton Rouge, Louisiana · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kennedy |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Mulatto |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
East Baton …
Daughter, age 16
East Baton Rouge, Louisiana · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kennedy |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
East-Baton-Rouge-County, Louisiana
Spouse, age 23
East-Baton-Rouge-County, Louisiana · implied b. ~1917 — 5 household members
| Surname | Kennedy |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | Baton Rouge City |
| 1935 Residence (County) | East Baton Rouge |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 Kennedy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Duncan Kennedy (~0.92 confidence) and mother Hannie Kennedy (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Duncan Kennedy
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Hannie Kennedy
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Kennedy
Spouse · 1940 · age 23 · b. ~1917 · Louisiana
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — East-Baton-Rouge-County, Louisiana
Open full size
1940 US Federal Census — East-Baton-Rouge-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01396-00386)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joan Bonguet | 21 | Head | Hostess | Louisiana |
| 42 | Ruby Wilson | 26 | Lodger | Hostess | Georgia |
| 43 | Jacquelin Thompson | 20 | Lodger | Hostess | North Carolina |
| 44 | Mae Moran | 20 | Lodger | Hostess | Mississippi |
| 45 | Deal Miller | 26 | Lodger | Hostess | Florida |
| 46 | Morris Stewart | 40 | Head | Painter | Louisiana |
| 47 | Inez Stewart | 35 | Wife | Servant | Louisiana |
| 48 | Leonard Stewart | 16 | Son | — | Louisiana |
| 49 | Earl Stewart | 15 | Son | — | Louisiana |
| 50 | Charles Stewart | 7 | Son | — | Louisiana |
| 51 | Estelle Stewart | 5 | Daughter | — | Louisiana |
| 52 | Estelle Dorce | 50 | Head | Servant | Louisiana |
| 53 | Viola Dorce | 23 | Daughter | Maid | Louisiana |
| 54 | Wilbert Dorce | 21 | Son | Bus Boy | Louisiana |
| 55 | Ernest Dorce | 17 | Son | — | Louisiana |
| 56 | Ernest Slocum | 25 | Boarder | — | Louisiana |
| 57 | Lillian Richardson | 47 | Head | Wash Woman | Louisiana |
| 58 | Myrtle Richardson | 22 | Daughter | Waitress | Louisiana |
| 59 | Lucille Carrol | 46 | Sister | Servant | Louisiana |
| 60 | Willie Dunn | 1 | God Son | — | Louisiana |
| 61 | Tom Kennedy | 26 | Head | Attendant | Louisiana |
| 62 | Mary Kennedy THIS PERSON | 23 | Wife | — | Louisiana |
| 63 | Jack Kennedy | 7 | Son | — | Louisiana |
| 64 | Betty Ann Kennedy | 4 | Daughter | — | Louisiana |
| 65 | Robert Kennedy | 22 | Brother | Cook | Louisiana |
| 66 | Harry Benton | 49 | Head | Collector | Louisiana |
| 67 | Louise Benton | 43 | Wife | Servant | Louisiana |
| 68 | Rosa Lee Allen | 19 | Lodger | — | Louisiana |
| 69 | James Lucas | 29 | Head | Laborer | Louisiana |
| 70 | Eliese Lucas | 30 | Wife | Teacher | Louisiana |
| 71 | Dorphine Holliday | 28 | Head | Servant | Louisiana |
| 72 | Lucille Donnette | 39 | Head | Sales Lady | Indiana |
| 73 | Pete Clark | 27 | Head | Hostess | Louisiana |
| 74 | Georgia Strang | 19 | Lodger | Hostess | Mississippi |
| 75 | Mae Ella Wray | 24 | Lodger | Hostess | Mississippi |
| 76 | Beatrice Vantrease | 21 | Lodger | Hostess | Louisiana |
| 77 | Allen Scott | 34 | Head | Laborer | Louisiana |
| 78 | Emma Scott | 25 | Wife | — | Louisiana |
| 79 | Rosa Dickson | 37 | Head | Cook | Louisiana |
| 80 | Rufus Silas | 39 | Lodger | Cook | Louisiana |
Pedigree Summary
Mary
Gen 1 · 2 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)