MK
Mary Kirk — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pickens-County, Alabama
Our Model Tree links this Mary Kirk across the 1930 and 1940 US Censuses in Pickens-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 | Pickens-County, Alabama |
| Surname | Kirk |
| Given Name | Mary Gene |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Precinct 16 |
| 1935 Residence (County) | Pickens |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Precinct 16 |
| 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 |
|---|---|---|---|---|
| Mary Kirk | Daughter | — | 11 | ~1929 |
| Lawrence Kirk | Son | — | 15 | ~1925 |
| Alice Kirk | Daughter | — | 1 | ~1939 |
| Alice Kirk | Spouse | — | 38 | ~1902 |
| Hazel Kirk | Daughter | — | 13 | ~1927 |
| Harry Kirk | Son | — | 7 | ~1933 |
| Charles Kirk | Son | — | 9 | ~1931 |
| H Kirk | Head | — | 43 | ~1897 |
| Jennie Kirk | Daughter | — | 5 | ~1935 |
| Norman Kirk | Son | — | 18 | ~1922 |
Census Appearances
1930
Pickens, Alabama
Daughter, age
Pickens, Alabama · implied b. ~1930 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirk |
| Given Name | Mary G |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Pickens-County, Alabama
Daughter, age 11
Pickens-County, Alabama · implied b. ~1929 — 10 household members
| Surname | Kirk |
| Given Name | Mary Gene |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Precinct 16 |
| 1935 Residence (County) | Pickens |
| 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
Lawrence Kirk
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Kirk
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Kirk
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Kirk
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jennie Kirk
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norman Kirk
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Kirk
Sibling · 1940 · age 9
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 — Pickens-County, Alabama
Open full size
1940 US Federal Census — Pickens-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00074-00539)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clifford Kirkman | 1 | Son | — | Alabama |
| 42 | Jane Deitten | Dritten | 21 | Hired hand | Laborer | Alabama |
| 43 | J. M. Kirk | 47 | Head | Laborer | Alabama |
| 44 | Mary Elvin Kirk | 42 | Wife | — | Alabama |
| 45 | Willard Richard Kirk | 18 | Son | — | Alabama |
| 46 | Leo Edward Kirk | 16 | Son | — | Alabama |
| 47 | William M. Jr. Pratt | 24 | Boarder | Teacher | Alabama |
| 48 | Marion Welch | 20 | Boarder | Teacher | Alabama |
| 49 | Martha Jones | 21 | Boarder | Teacher | Alabama |
| 50 | Charles L. Lathamy | Latham | 52 | Head | Farmer | Alabama |
| 51 | Lula Lathamy | Latham | 49 | Wife | — | Alabama |
| 52 | Bobby Robert Lathamy | Latham | 17 | Son | — | Alabama |
| 53 | Willie H. Guy | 33 | Head | Laborer | Alabama |
| 54 | Ruby S. Guy | 25 | Wife | — | Alabama |
| 55 | Billy Bee Guy | 4 | Daughter | — | Alabama |
| 56 | Willie Floyd Guy | 2 | Son | — | Alabama |
| 57 | Russell R. Daniel | 25 | Head | Laborer | Alabama |
| 58 | Mattie Daniel | 23 | Wife | — | Alabama |
| 59 | Martha Sue Daniel | 3 | Daughter | — | Alabama |
| 60 | H. B. Kirk | 43 | Head | Farmer | Alabama |
| 61 | Alice Kirk | 38 | Wife | — | Alabama |
| 62 | Norman Kirk | 18 | Son | — | Alabama |
| 63 | Lawrence Kirk | 15 | Son | — | Alabama |
| 64 | Hazel Kirk | 13 | Daughter | — | Alabama |
| 65 | Mary Gene Kirk THIS PERSON | 11 | Daughter | — | Alabama |
| 66 | Charles Elbert Kirk | 9 | Son | — | Alabama |
| 67 | Harry Glen Kirk | 7 | Son | — | Alabama |
| 68 | Jennie Sue Kirk | 5 | Daughter | — | Alabama |
| 69 | Alice Janel Kirk | 1 | Daughter | — | Alabama |
| 70 | C. C. Pate | 31 | Head | Farmer | Alabama |
| 71 | Earline Pate | 25 | Wife | — | Alabama |
| 72 | James Donald Pate | 3 | Son | — | Alabama |
| 73 | Coraline Jane Pate | 1 | Daughter | — | Alabama |
| 74 | Ted Pate | 22 | Hired hand | Laborer | Alabama |
| 75 | Minnie Pate | 19 | Lodger | — | Alabama |
| 76 | Bobby Ray Pate | 0 | Lodger | — | Alabama |
| 77 | W. H. Guy | 38 | Head | Farmer | Alabama |
| 78 | Lillian Belva Guy | 35 | Wife | — | Alabama |
| 79 | James Erwin Guy | 12 | Son | — | Alabama |
| 80 | Louis Jr. Guy | 18 | Son | — | Alabama |
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)