MG
Mary Greer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this Mary Greer across the 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed) — first a daughter (b.~1903), then head of a 6-person household.
Age 37
b. ~1903
Female
Daughter
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Greer |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Homewood City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Mail-clerk |
| Industry | Private home |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 520 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Mail-Clerk |
| Township / Ward | Homewood City |
| Est. Birth Year | ~1903 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ella Greer | Head | — | 54 | ~1886 |
| Ruth Glover | Daughter | — | 18 | ~1922 |
| Bessie Glover | Daughter | — | 30 | ~1910 |
| Clarice Glover | Daughter | — | 16 | ~1924 |
| Mary Greer | Daughter | — | 37 | ~1903 |
| Thomas Glover | Son | — | 20 | ~1920 |
Census Appearances
1930
Jefferson, Alabama
Other, age 28
Jefferson, Alabama · implied b. ~1902 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grier |
| Given Name | Mary |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 23 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Jefferson-County, Alabama
Daughter, age 37
Jefferson-County, Alabama · implied b. ~1903 — 6 household members
| Surname | Greer |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Homewood City |
| 1935 Residence (County) | Jefferson |
| Occupation | Mail-clerk |
| Industry | Private home |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 520 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| 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 Greer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Greer
Daughter · 1940 · age 37 · b. ~1903 · Alabama
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Sibling
Thomas Glover
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bessie Glover
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Glover
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarice Glover
Sibling · 1940 · age 16
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 — Jefferson-County, Alabama
Open full size
1940 US Federal Census — Jefferson-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00045-00115)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Wilbur F. Nelson | 26 | Son | Yardman | Georgia |
| 42 | Ora Lee Nelson | 22 | Daughter | — | Alabama |
| 43 | Wilbur Jr. Nelson | 2 | Grandson | — | Alabama |
| 44 | Richard Nelson | 1 | Grandson | — | Alabama |
| 45 | Mary Clay | 39 | Head | Housekeeper | Alabama |
| 46 | Bernice Foster | 33 | Head | Carpenter | Alabama |
| 47 | Marion Foster | 27 | Wife | Teacher | Alabama |
| 48 | Samuel Jr. Foster | 8 | Son | — | Alabama |
| 49 | Sam Moore | 31 | Head | Common Labor | Alabama |
| 50 | Mary Moore | 29 | Wife | Maid | Alabama |
| 51 | Ella Greer | 54 | Head | — | Alabama |
| 52 | Mary Greer THIS PERSON | 37 | Daughter | Mail-Clerk | Alabama |
| 53 | Bessie Glover | 30 | Daughter | Mail-Clerk | Alabama |
| 54 | Ruth M. Glover | 18 | Daughter | — | Alabama |
| 55 | Clarice Glover | 16 | Daughter | — | Alabama |
| 56 | Thomas Glover | 20 | Son | Office Boy | Alabama |
| 57 | George Johnson | 40 | Head | Brick Mason | Alabama |
| 58 | Louise Johnson | 25 | Wife | — | Alabama |
| 59 | James Johnson | 52 | Brother | — | Alabama |
| 60 | Joe Kennedy | 28 | Lodger | Yardman Helper | Alabama |
| 61 | Gladys Kennedy | 18 | Lodger | — | Alabama |
| 62 | Robert L. Trimble | 28 | Head | Chauffeur | Alabama |
| 63 | Koil Trimble | 32 | Wife | Cook | Alabama |
| 64 | Annie Mae Trimble | 14 | Daughter | — | Alabama |
| 65 | George Greer | 35 | Head | Brick & Rock Mason | Alabama |
| 66 | Julia Greer | 32 | Wife | Housekeeper | Georgia |
| 67 | Mattie Greer | 16 | Daughter | — | Georgia |
| 68 | Annie Greer | 15 | Daughter | — | Georgia |
| 69 | Willie Williams | 37 | Head | Landscape Gardener | Alabama |
| 70 | Emma Williams | 29 | Wife | Housekeeper | Alabama |
| 71 | J. B. Williams | 6 | Son | — | Alabama |
| 72 | Alfred Williams | 64 | Father | Yardman Helper | Alabama |
| 73 | Lafayette Morris | 49 | Head | — | Georgia |
| 74 | Julia Morris | 49 | Wife | Nurse-Maid | Alabama |
| 75 | Rosa Morris | 14 | Daughter | — | Alabama |
| 76 | Viola Morris | 8 | Daughter | — | Alabama |
| 77 | Gloria Morris | 2 | Daughter | — | Alabama |
| 78 | Elliot Brogger | 27 | Head | Truck Driver | Alabama |
| 79 | Ilaing Brogger | 26 | Wife | — | Alabama |
| 80 | Elliot Jr. Brogger | 8 | 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)