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Mary Mcconnell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lee-County, Alabama
Our Model Tree links this Mary Mcconnell across the 1920, 1930 and 1940 US Censuses in Lee-County, Alabama (XGBoost, ~Confirmed), with identified parents Jim & Luke — first a daughter (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Female
Daughter
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lee-County, Alabama |
| Surname | McConnell |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Beat 9 |
| 1935 Residence (County) | Lee |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Beat 9 |
| Est. Birth Year | ~1919 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Alice Thomas | Other | — | 66 | ~1874 |
| Mary Mcconnell | Daughter | — | 21 | ~1919 |
| Adel Mcconnell | Head | — | 62 | ~1878 |
Census Appearances
1920
Lee, Alabama
Daughter, age 2
Lee, Alabama · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McConnell |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Lee, Alabama
Daughter, age 12
Lee, Alabama · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McConnell |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Lee-County, Alabama
Daughter, age 21
Lee-County, Alabama · implied b. ~1919 — 3 household members
| Surname | McConnell |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Beat 9 |
| 1935 Residence (County) | Lee |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 Mcconnell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jim Mcconnell (~0.92 confidence) and father Luke Mcconnell (~0.92 confidence) and father Adel Mcconnell (~0.92 confidence) and mother Adell Mcconnell (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jim Mcconnell
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Luke Mcconnell
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Adel Mcconnell
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Adell Mcconnell
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Mcconnell
Daughter · 1940 · age 21 · b. ~1919 · Alabama
★ 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 — Lee-County, Alabama
Open full size
1940 US Federal Census — Lee-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00052-00840)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dave Daniel | 22 | Son | Laborer | Alabama |
| 2 | Jerry Daniel | 20 | Son | Laborer | Alabama |
| 3 | David Daniel | 13 | Son | — | Alabama |
| 4 | Marcelo Vinson | 58 | Head | Farmer | Alabama |
| 5 | Olive Vinson | 56 | Wife | — | Alabama |
| 6 | Sultana Story | 83 | Mother-in-law | — | Alabama |
| 7 | John Cooper | 53 | Head | Farmer | Alabama |
| 8 | Pearl Cooper | 48 | Wife | — | Alabama |
| 9 | James Cooper | 23 | Son | Farmer | Alabama |
| 10 | Princil Cooper | 19 | Daughter | Laborer | Alabama |
| 11 | Sam Cooper | 17 | Son | Laborer | Alabama |
| 12 | Pearlie Bell Cooper | 16 | Daughter | — | Alabama |
| 13 | Annie Lee Cooper | 15 | Daughter | — | Alabama |
| 14 | Otis Cooper | 1 | Son | — | Alabama |
| 15 | Roe Baker | 21 | Head | Laborer | Alabama |
| 16 | Mazell Baker | 19 | Wife | — | Alabama |
| 17 | Ozell Baker | 4 | Daughter | — | Alabama |
| 18 | Will G. Mcconnell | 67 | Head | Farmer | Alabama |
| 19 | Minnie Mcconnell | 62 | Wife | — | Alabama |
| 20 | Woodrow Mcconnell | 24 | Son | Laborer | Alabama |
| 21 | Jessie Brown | 17 | Lodger | Laborer | Alabama |
| 22 | Curtis Mcconnell | 31 | Head | Sawmilling | Alabama |
| 23 | Scola Mcconnell | 30 | Wife | — | Alabama |
| 24 | Billy Ann Mcconnell | 3 | Daughter | — | Alabama |
| 25 | Adel Mcconnell | 62 | Head | Farmer | Alabama |
| 26 | Mary Mcconnell THIS PERSON | 21 | Daughter | — | Alabama |
| 27 | Alice Thomas | 66 | Sister | — | Alabama |
| 28 | J. P. Mcconnell | 37 | Head | Farmer | Alabama |
| 29 | Clara Mcconnell | 31 | Wife | — | Alabama |
| 30 | Junita Mcconnell | 2 | Daughter | — | Alabama |
| 31 | Elias T. Plott | 66 | Head | Farmer | Alabama |
| 32 | Pearlie Plott | 57 | Wife | — | Alabama |
| 33 | Gordon Plott | 25 | Son | Laborer | Alabama |
| 34 | Elias D. Plott | 21 | Son | Laborer | Alabama |
| 35 | Lucille Plott | 17 | Daughter | — | Alabama |
| 36 | Frances Plott | 16 | Daughter | — | Alabama |
| 37 | Walter Plott | 12 | Son | — | Alabama |
| 38 | Leroy Prince | 59 | Head | Farmer | Alabama |
| 39 | Diamond Prince | 43 | Wife | Teacher | Alabama |
| 40 | Alfred E. Letlow | 46 | Head | Farmer | Alabama |
Pedigree Summary
Mary
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 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)