MC
Mary Cobb — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jessamine-County, Kentucky
Our Model Tree links this Mary Cobb across the 1930 and 1940 US Censuses in Jessamine-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 8-person household.
Age 10
b. ~1930
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jessamine-County, Kentucky |
| Surname | Cobb |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Dist 5 Plaquemine |
| 1935 Residence (County) | Jessamine |
| Additional Details | |
| Highest Grade | No 1 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Dist 5 Plaquemine |
| Est. Birth Year | ~1930 |
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 |
|---|---|---|---|---|
| Thomas Cobb | Son | — | 13 | ~1927 |
| Lilly Cobb | Spouse | — | 50 | ~1890 |
| Garrett Cobb | Son | — | 16 | ~1924 |
| Mary Cobb | Daughter | — | 10 | ~1930 |
| Otil Cobb | Son | — | 8 | ~1932 |
| James Cobb | Son | — | 17 | ~1923 |
| Dave Cobb | Head | — | 52 | ~1888 |
| Susie Cobb | Daughter | — | 20 | ~1920 |
Census Appearances
1930
Jessamine, Kentucky
Daughter, age
Jessamine, Kentucky · implied b. ~1930 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cobb |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jessamine-County, Kentucky
Daughter, age 10
Jessamine-County, Kentucky · implied b. ~1930 — 8 household members
| Surname | Cobb |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Dist 5 Plaquemine |
| 1935 Residence (County) | Jessamine |
| Highest Grade | No 1 |
| 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 Cobb across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cobb
Daughter · 1940 · age 10 · b. ~1930 · Kentucky
★ You are viewing this record
Sibling
James Cobb
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Susie Cobb
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Garrett Cobb
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Cobb
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Otil Cobb
Sibling · 1940 · age 8
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 — Jessamine-County, Kentucky
Open full size
1940 US Federal Census — Jessamine-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01322-00284)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna K Reed | 1 | Daughter | — | Kentucky |
| 2 | Asa Moorefield | 24 | Head | Laborer | Kentucky |
| 3 | Emma V Moorefield | 19 | Wife | — | Kentucky |
| 4 | Loretta Moorefield | 2 | Daughter | — | Kentucky |
| 5 | Patricia Anne Moorefield | 0 | Daughter | — | Kentucky |
| 6 | Polina Crutcher | 33 | Head | — | Kentucky |
| 7 | Wilmore Crutcher | 36 | Brother | — | Kentucky |
| 8 | Jennie Crutcher | 65 | Mother | — | Kentucky |
| 9 | George H Miller | 60 | Head | Farmer | Kentucky |
| 10 | Josephine B Miller | 62 | Wife | Farmer | Kentucky |
| 11 | Woodford Bowman | 36 | Head | Farmer | Kentucky |
| 12 | Arkie Bowman | 36 | Wife | — | Kentucky |
| 13 | Rena E Bowman | 14 | Daughter | — | Kentucky |
| 14 | Joan Bowman | 6 | Daughter | — | Kentucky |
| 15 | B. J. Moynahan | 48 | Head | Superintendent | Kentucky |
| 16 | Mary J. Moynahan | 45 | Wife | — | Kentucky |
| 17 | Bernard J. Jr. Moynahan | 22 | Son | Lawyer | Ohio |
| 18 | Jim H. Turner | 61 | Father-in-law | Farmer | Kentucky |
| 19 | Dave Cobb | 52 | Head | Laborer | Kentucky |
| 20 | Lilly M Cobb | 50 | Wife | — | Kentucky |
| 21 | Susie Cobb | 20 | Daughter | — | Kentucky |
| 22 | James A Cobb | 17 | Son | Laborer | Kentucky |
| 23 | Garrett P Cobb | 16 | Son | Laborer | Kentucky |
| 24 | Thomas A Cobb | 13 | Son | — | Kentucky |
| 25 | Mary M Cobb THIS PERSON | 10 | Daughter | — | Kentucky |
| 26 | Otil Cobb | 8 | Son | — | Kentucky |
| 27 | Norman Hamm | 28 | Head | Farmer | Kentucky |
| 28 | Rosie Hamm | 29 | Wife | — | Kentucky |
| 29 | Norma J Hamm | 4 | Daughter | — | Kentucky |
| 30 | Harvey Jr Wilson | 54 | Head | Manager | Nebraska |
| 31 | Nellie Wilson | 52 | Wife | — | Nebraska |
| 32 | Gerald Jr Wilson | 15 | Son | — | Nebraska |
| 33 | Shreakley Jr Berryman | 34 | Head | Farmer | Kentucky |
| 34 | Virginia W Berryman | 34 | Wife | — | Kentucky |
| 35 | Shreakley P Berryman | 1 | Son | — | Kentucky |
| 36 | P. S. Shreakley | 71 | Father | Farmer | Kentucky |
| 37 | Mary S. Shreakley | 40 | Sister | Manager | Kentucky |
| 38 | Frank M. Folger | 38 | Head | Salesman | Kentucky |
| 39 | Ola F Folger | 39 | Wife | Salesman | Kentucky |
| 40 | Gladys Folger | 14 | Daughter | — | Kentucky |
Related Census Records
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)