MJ
Mary Jennings — 1930 US Census Record
Model Tree available1930 United States Federal Census · Shelby, Tennessee
Our Model Tree links this Mary Jennings across the 1920, 1930 and 1940 US Censuses in Shelby, Tennessee (XGBoost, ~Confirmed), with identified parents Ollie & Grace — first a daughter (b.~1918), then head of a 4-person household.
Age 12
b. ~1918
Female
Daughter
Born: Tennessee
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Shelby, Tennessee |
| Surname | Jennings |
| Given Name | Mary Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Part Of Civil District No 1 |
| Est. Birth Year | ~1918 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Margaret Jennings | Daughter | — | 10 | ~1920 |
| Mary Jennings | Daughter | — | 12 | ~1918 |
| Ollie Jennings | Head | — | 30 | ~1900 |
| Grace Jennings | Spouse | — | 30 | ~1900 |
Census Appearances
1920
Shelby, Tennessee
Daughter, age 2
Shelby, Tennessee · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jennings |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Shelby, Tennessee
Daughter, age 12
Shelby, Tennessee · implied b. ~1918 — 4 household members
| Surname | Jennings |
| Given Name | Mary Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Shelby-County, Tennessee
Other, age 22
Shelby-County, Tennessee · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jennings |
| Given Name | Martha |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Memphis City |
| 1935 Residence (County) | Shelby |
| Occupation | Order Clerk |
| Industry | Supermarket |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 266 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Jennings across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ollie Jennings (~0.92 confidence) and mother Grace Jennings (~0.92 confidence) and mother Mary Jennings (~0.92 confidence) and father Ollie Jennings (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ollie Jennings
b. ~1897
Source father
● Household
· direct · ~0.92
Mother
Grace Jennings
b. ~1900
Source mother
● Household
· direct · ~0.92
Mother
Mary Jennings
b. ~1900
Source mother
● Household
· direct · ~0.92
Father
Ollie Jennings
b. ~1900
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Jennings
Daughter · 1930 · age 12 · b. ~1918 · Tennessee
★ You are viewing this record
Sibling
Margaret Jennings
Sibling · 1930 · age 10
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 — Shelby, Tennessee
Open full size
1930 US Federal Census — Shelby, Tennessee
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2272unit:0107)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Betty Tanner | 30 | Brother | — | Tennessee |
| 52 | Laura Tanner | 25 | Sister-in-law | — | Tennessee |
| 53 | Palmer Spears | 22 | Head | — | Tennessee |
| 54 | Irma Spears | 22 | Wife | Farmer | Tennessee |
| 55 | E. D. M. Crenshaw | 61 | O | — | Tennessee |
| 56 | Clara Crenshaw | 39 | Wife | Farmer | Mississippi |
| 57 | Solon Dickerson | 25 | Head | — | Tennessee |
| 58 | Ardella Dickerson | 20 | Wife | Farmer | Tennessee |
| 59 | Josh Cotto | 50 | R | — | Tennessee |
| 60 | Annie Cotto | 48 | Wife | — | Tennessee |
| 61 | Roberta Cotto | 16 | Niece | — | Tennessee |
| 62 | Johnnie Cotto | 14 | Nephew | — | Tennessee |
| 63 | M. L. Cotto | 12 | Nephew | — | Tennessee |
| 64 | Beverly Cotto | 10 | Nephew | — | Tennessee |
| 65 | Will May | 48 | Head | Farmer | Mississippi |
| 66 | Easter May | 33 | Wife | — | Mississippi |
| 67 | Bettie May Brooks | 11 | Step-daughter | — | Mississippi |
| 68 | Leon P. Benham | 51 | O | Farmer | Iowa |
| 69 | Lula Mae Benham | 48 | Wife | — | Illinois |
| 70 | Daisy Cusack | 36 | Sister-in-law | — | Iowa |
| 71 | Betty Jean Cusack | 7 | Niece | — | Iowa |
| 72 | Mary Lou Cusack | 4 | Niece | — | Iowa |
| 73 | Russell Hornaby | 25 | Son-in-law | Farmer | Tennessee |
| 74 | Lu Ella Hornaby | 21 | Step-daughter | — | Iowa |
| 75 | Johnnie Carpenter | 40 | Head | Farmer | Mississippi |
| 76 | Mattie Carpenter | 29 | Wife | — | Arkansas |
| 77 | Fannie L. Green | 50 | Head | Farmer | Alabama |
| 78 | Rosa Brown | 15 | Cousin | Laborer | Alabama |
| 79 | Herman Brown | 14 | Cousin | — | Alabama |
| 80 | Elisha Edens | 50 | Head | Farmer | Tennessee |
| 81 | Zetta Edens | 37 | Wife | — | Illinois |
| 82 | Glen Edens | 15 | Son | — | Missouri |
| 83 | James E. Summers | 25 | Son-in-law | Salesman | Tennessee |
| 84 | Annie Summers | 23 | Daughter | — | Tennessee |
| 85 | Will March | 41 | Head | Farmer | Tennessee |
| 86 | Beulah March | 33 | Wife | — | Tennessee |
| 87 | Emmet March | 16 | Son | Laborer | Tennessee |
| 88 | Bishop March | 14 | Son | Laborer | Tennessee |
| 89 | E. G. March | 7 | Son | — | Tennessee |
| 90 | Elizabeth March | 5 | Daughter | — | Tennessee |
| 91 | Raymond March | 4 | Son | — | Tennessee |
| 92 | Kenneth March | 1 | Son | — | Tennessee |
| 93 | Eddie Nation | 21 | Head | Farmer | Tennessee |
| 94 | Lillie May Nation | 17 | Wife | — | Tennessee |
| 95 | Amis C. Jennings | 61 | Head | Farmer | Tennessee |
| 96 | Bryan Jennings | 28 | Son | — | Tennessee |
| 97 | Ollie M. Jennings | 30 | Head | Truck Driver | Tennessee |
| 98 | Grace Jennings | 30 | Wife | — | Tennessee |
| 99 | Mary Grace Jennings THIS PERSON | 12 | Daughter | — | Tennessee |
| 100 | Margaret Jennings | 10 | Daughter | — | Tennessee |
Pedigree Summary
Mary + 1 sibling
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 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)