MK
Mary Kirk — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Chambers-County, Alabama
Our Model Tree links this Mary Kirk across the 1930 and 1940 US Censuses in Chambers-County, Alabama (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 10-person household.
Age 11
b. ~1929
Female
Daughter
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Chambers-County, Alabama |
| Surname | Kirk |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Chambers |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Beat 11 |
| Est. Birth Year | ~1929 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Emma Kirk | Spouse | — | 42 | ~1898 |
| Clessa Kirk | Daughter | — | 20 | ~1920 |
| Edward Kirk | Son | — | 5 | ~1935 |
| Marvin Kirk | Son | — | 15 | ~1925 |
| Marvin Kirk | Head | — | 50 | ~1890 |
| Ruby Kirk | Daughter | — | 8 | ~1932 |
| Rachel Martin | Other | — | 80 | ~1860 |
| Mary Kirk | Daughter | — | 11 | ~1929 |
| Margret Kirk | Daughter | — | 3 | ~1937 |
| Franklin Kirk | Son | — | 1 | ~1939 |
Census Appearances
1930
Chambers, Alabama
Other, age 4
Chambers, Alabama · implied b. ~1926 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirk |
| Given Name | Mary R |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| 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 |
1940
Chambers-County, Alabama
Daughter, age 11
Chambers-County, Alabama · implied b. ~1929 — 10 household members
| Surname | Kirk |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Chambers |
| Highest Grade | No 4 |
| 1935 Residence | Alabama |
| 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 Kirk across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Kirk
Daughter · 1940 · age 11 · b. ~1929 · Alabama
★ You are viewing this record
Sibling
Margret Kirk
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marvin Kirk
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Franklin Kirk
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clessa Kirk
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruby Kirk
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Kirk
Sibling · 1940 · age 5
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 — Chambers-County, Alabama
Open full size
1940 US Federal Census — Chambers-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00010-00779)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Daniel Gunson | 65 | Head | Farmer | Alabama |
| 2 | Fannie Gunson | 55 | Wife | Helper | Alabama |
| 3 | Bertha M. Gunson | 22 | Daughter | — | Alabama |
| 4 | Bessie Gunson | 20 | Daughter | Helper | Alabama |
| 5 | Nellie R. Gunson | 1 | Granddaughter | — | Alabama |
| 6 | Lonnie Gunson | 10 | Grandson | — | Alabama |
| 7 | Wm. Barrow | 58 | Head | Farmer | Alabama |
| 8 | Fannie Barrow | 51 | Wife | — | Alabama |
| 9 | Charlie Barrow | 18 | Son | Helper | Alabama |
| 10 | Jimmie W. Barrow | 16 | Son | Helper | Alabama |
| 11 | Robert L. Barrow | 14 | Son | Helper | Alabama |
| 12 | Lee J. Nelms | 10 | Grandson | — | Alabama |
| 13 | Douglas Nelms | 8 | Grandson | — | Alabama |
| 14 | Roosevelt Nelms | 6 | Grandson | — | Alabama |
| 15 | Lois Nelms | 5 | Granddaughter | — | Alabama |
| 16 | Harvey Nelms | 3 | Grandson | — | Alabama |
| 17 | Ellen Patrick | 82 | Aunt | — | Alabama |
| 18 | Lonnie Taylor | 40 | Head | Farmer | Alabama |
| 19 | Neil Taylor | 35 | Wife | Helper | Alabama |
| 20 | Willie M. Taylor | 5 | Daughter | — | Alabama |
| 21 | Louise Taylor | 5 | Daughter | — | Alabama |
| 22 | John T. Taylor | 3 | Son | — | Alabama |
| 23 | Mae F. Taylor | 0 | Daughter | — | Alabama |
| 24 | Ed Holloway | 60 | Head | Farmer | Alabama |
| 25 | Emma Holloway | 55 | Wife | Helper | Alabama |
| 26 | Wess Holloway | 39 | Son | Helper | Alabama |
| 27 | Marvin Kirk | 50 | Head | Farmer | Alabama |
| 28 | Emma Kirk | 42 | Wife | Helper | Alabama |
| 29 | Clessa Kirk | 20 | Daughter | — | Alabama |
| 30 | Marvin Jr. Kirk | 15 | Son | — | Alabama |
| 31 | Mary E. Kirk THIS PERSON | 11 | Daughter | — | Alabama |
| 32 | Ruby Kirk | 8 | Daughter | — | Alabama |
| 33 | Edward Kirk | 5 | Son | — | Alabama |
| 34 | Margret Kirk | 3 | Daughter | — | Alabama |
| 35 | Franklin Kirk | 1 | Son | — | Alabama |
| 36 | Rachel Martin | 80 | Mother-in-law | — | Alabama |
| 37 | A. G. Atkins | 40 | Head | Overseer | Alabama |
| 38 | Lera Atkins | 38 | Wife | Teacher | Alabama |
| 39 | Mildred Atkins | 12 | Daughter | — | Alabama |
| 40 | Shad Tumor | 70 | Head | Farmer | Florida |
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)