MP
Mary Pollock — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jackson-County, Florida
Our Model Tree links this Mary Pollock across the 1920, 1930 and 1940 US Censuses in Jackson-County, Florida (XGBoost, ~Confirmed), with identified parents Phillip & Rebecca — first a daughter (b.~1917), then head of a 7-person household.
Age 23
b. ~1917
Female
Daughter
Born: Florida
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jackson-County, Florida |
| Surname | Pollock |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Precinct 18 |
| 1935 Residence (County) | Jackson |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Township / Ward | Precinct 18 |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Fielder Pollock | Son | — | 15 | ~1925 |
| Philip Pollock | Head | — | 49 | ~1891 |
| Annie Pollock | Daughter | — | 17 | ~1923 |
| Lena Pollock | Daughter | — | 21 | ~1919 |
| Mary Pollock | Daughter | — | 23 | ~1917 |
| Rebecca Pollock | Spouse | — | 46 | ~1894 |
| Clausell Pollock | Daughter | — | 19 | ~1921 |
Census Appearances
1920
Jackson, Florida
Daughter, age 3
Jackson, Florida · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pollock |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Mulatto |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1930
Jackson, Florida
Daughter, age 14
Jackson, Florida · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pollack |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | Laborer |
| Industry | Gen Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Jackson-County, Florida
Daughter, age 23
Jackson-County, Florida · implied b. ~1917 — 7 household members
| Surname | Pollock |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Florida |
| 1935 Residence (City) | Precinct 18 |
| 1935 Residence (County) | Jackson |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
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 Pollock across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Phillip Pollock (~0.92 confidence) and mother Rebecca Pollack (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Phillip Pollock
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Rebecca Pollack
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Pollock
Daughter · 1940 · age 23 · b. ~1917 · Florida
★ You are viewing this record
Sibling
Lena Pollock
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Pollock
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clausell Pollock
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fielder Pollock
Sibling · 1940 · age 15
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, Florida
Open full size
1940 US Federal Census — Jackson-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00593-00784)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lilla Evans | 68 | Head | — | Florida |
| 42 | Ida L. Evans | 47 | Daughter | — | Florida |
| 43 | Willie C. Fagan | 37 | Head | Farmer | Florida |
| 44 | Edith L. Fagan | 38 | Wife | — | Florida |
| 45 | Ora L. Fagan | 12 | Daughter | — | Florida |
| 46 | Lessie M. Fagan | 4 | Daughter | — | Florida |
| 47 | Willie C. Fagan | 3 | Son | — | Florida |
| 48 | William Clemons | 71 | Head | Laborer | Florida |
| 49 | Lucinda Clemons | 46 | Wife | — | Florida |
| 50 | Elizabeth L. Bowers | 44 | Head | Laborer | Florida |
| 51 | John D. Bowers | 16 | Son | Farm Work | Florida |
| 52 | F. M. Bowers | 13 | Son | Farm Work | Florida |
| 53 | Estelle Bowers | 11 | Daughter | — | Florida |
| 54 | Jimmy D. Bowers | 8 | Son | — | Florida |
| 55 | Mary C. Bowers | 5 | Daughter | — | Florida |
| 56 | Alfred L. Nichols | 19 | Head | Farmer | Florida |
| 57 | Bamma L. Nichols | 55 | Wife | — | Georgia |
| 58 | Sam D. Nichols | 21 | Son | Farm Work | Florida |
| 59 | Wilma F. Nichols | 15 | Daughter | — | Florida |
| 60 | Francis M. Conrad | 79 | Head | Farmer | Florida |
| 61 | Emmy E. Conrad | 59 | Wife | — | Florida |
| 62 | Lonnie A. Williams | 47 | Head | Farmer | Florida |
| 63 | Earnestine Williams | 38 | Wife | — | Florida |
| 64 | Arcadia Williams | 18 | Daughter | — | Florida |
| 65 | Arastine Williams | 16 | Daughter | — | Florida |
| 66 | Idelmora Williams | 14 | Daughter | — | Florida |
| 67 | Isaac C. Williams | 13 | Son | — | Florida |
| 68 | Orialee Williams | 8 | Daughter | — | Florida |
| 69 | Florine Williams | 3 | Daughter | — | Florida |
| 70 | James L. Williams | 1 | Son | — | Florida |
| 71 | Willie White | 41 | Head | Farmer | Florida |
| 72 | World Alex White | 22 | Son | Laborer | Florida |
| 73 | John White | 18 | Son | Laborer | Florida |
| 74 | Philip Pollock | 49 | Head | Farmer | Florida |
| 75 | Rebecca Pollock | 46 | Wife | — | Florida |
| 76 | Mary Pollock THIS PERSON | 23 | Daughter | — | Florida |
| 77 | Lena B. Pollock | 21 | Daughter | Farm Worker | Florida |
| 78 | Clausell Pollock | 19 | Daughter | — | Florida |
| 79 | Annie L. Pollock | 17 | Daughter | — | Florida |
| 80 | Fielder Pollock | 15 | Son | — | Florida |
Pedigree Summary
Mary + 4 siblings
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)