MJ
Mamie Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bolivar-County, Mississippi
Our Model Tree links this Mamie Jones across the 1910, 1920, 1930 and 1940 US Censuses in Bolivar-County, Mississippi (XGBoost, ~Confirmed), with identified parents John & Lucinda — first a head (b.~1901), then head of a 2-person household.
Age 39
b. ~1901
Female
Head
Born: Mississippi
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Bolivar-County, Mississippi |
| Surname | Jones |
| Given Name | Mamie |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Widowed |
| Birthplace | Mississippi |
| 1935 Residence (City) | Rosedale city |
| 1935 Residence (County) | Bolivar |
| Additional Details | |
| Occupation | Nursemaid |
| Industry | Private home |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 520 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | Nursemaid |
| Township / Ward | Rosedale City |
| 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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mamie | Age | Birth yr |
|---|---|---|---|---|
| Percy Jones | Son | — | 6 | ~1934 |
| Mamie Jones | Head | — | 39 | ~1901 |
Census Appearances
1910
Grenada, Mississippi
Daughter, age 9
Grenada, Mississippi · implied b. ~1901 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Mammie L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1920
Bolivar, Mississippi
Daughter, age 20
Bolivar, Mississippi · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Mamie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
Bolivar, Mississippi
Spouse, age 29
Bolivar, Mississippi · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Mamie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Age at First Marriage | 18 |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read/Write | No |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Bolivar-County, Mississippi
Head, age 39
Bolivar-County, Mississippi · implied b. ~1901 — 2 household members
| Surname | Jones |
| Given Name | Mamie |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Widowed |
| Birthplace | Mississippi |
| 1935 Residence (City) | Rosedale city |
| 1935 Residence (County) | Bolivar |
| Occupation | Nursemaid |
| Industry | Private home |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 520 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Mamie Jones across 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father John Jones (~0.92 confidence) and mother Lucinda Jones (~0.92 confidence) and father Horrace Jones (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Jones
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Lucinda Jones
b. ~1871
Source mother
● Household
· direct · ~0.92
Father
Horrace Jones
b. ~1880
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mamie Jones
Head · 1940 · age 39 · b. ~1901 · Mississippi
★ 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 — Bolivar-County, Mississippi
Open full size
1940 US Federal Census — Bolivar-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02009-00242)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Donaldson | 39 | Head | Laborer | Mississippi |
| 2 | Viola Donaldson | 37 | Wife | — | Mississippi |
| 3 | Robert Jr. Donaldson | 16 | Son | — | Mississippi |
| 4 | Carrie Mae Donaldson | 14 | Daughter | — | Mississippi |
| 5 | Irene C. Donaldson | 10 | Daughter | — | Mississippi |
| 6 | L. C. Donaldson | 4 | Daughter | — | Mississippi |
| 7 | Elizabeth Capps | 33 | Head | Cook | Louisiana |
| 8 | Sidney Capps | 34 | Husband | Laborer | Mississippi |
| 9 | Robert Capps | 74 | Father | — | Mississippi |
| 10 | Sarah Capps | 66 | Mother | — | Louisiana |
| 11 | Mamie Jones THIS PERSON | 39 | Head | Nursemaid | Mississippi |
| 12 | Percy B. Jones | 6 | Son | — | Mississippi |
| 13 | Annie M. Smith | 32 | Head | Odd Jobs | Mississippi |
| 14 | Nellie Smith | 24 | Husband | Delivery Boy | Mississippi |
| 15 | Arthur Stewart | 22 | Head | Odd Jobs | Mississippi |
| 16 | Jessie Mae Stewart | 27 | Wife | — | Mississippi |
| 17 | Jim Davis | 32 | Head | Laborer | Mississippi |
| 18 | Anna Lou Davis | 28 | Wife | House Girl | Mississippi |
| 19 | Floyd Davis | 12 | Son | — | Mississippi |
| 20 | Fred Davis | 10 | Son | — | Mississippi |
| 21 | Bertha Thomas | 43 | Head | Cook | Mississippi |
| 22 | L. C. Thomas | 11 | Daughter | — | Mississippi |
| 23 | Willie Simpkins | 43 | Nephew | Laborer | Mississippi |
| 24 | Blanche Moore | 38 | Head | House Keeper | Mississippi |
| 25 | Percy Moore | 17 | Son | Mechanic | Mississippi |
| 26 | The Thomas | 48 | Head | — | Mississippi |
| 27 | Alice Thomas | 27 | Wife | Laundress | Mississippi |
| 28 | Catherine Kelly | 59 | Mother in law | — | Mississippi |
| 29 | Fred Randall | 71 | Head | Carpenter | Alabama |
| 30 | Annie Randall | 49 | Wife | Teacher | Mississippi |
| 31 | Fredonia Randall | 16 | Daughter | — | Mississippi |
| 32 | Fred Jr. Randall | 15 | Son | — | Mississippi |
| 33 | Annie Kate Randall | 12 | Daughter | — | Mississippi |
| 34 | Mary Ella White | 52 | Sister in law | Teacher | Mississippi |
| 35 | Eugene Brinkley | 25 | Head | — | Mississippi |
| 36 | Chester Burks | 35 | Head | Proprietor | Mississippi |
| 37 | Nellie Burks | 24 | Wife | Teacher | Mississippi |
| 38 | Courtney Daley | 70 | Head | — | Mississippi |
| 39 | Amelia Miller | 80 | Cousin | — | Mississippi |
| 40 | Junius Jones | 29 | Head | Attendant | Mississippi |
Pedigree Summary
Mamie
Gen 1 · 3 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)