MK
Mary Knox — 1940 US Census Record
Model Tree available1940 United States Federal Census · Garrett-County, Maryland
Our Model Tree links this Mary Knox across the 1920, 1930 and 1940 US Censuses in Garrett-County, Maryland (XGBoost, ~Confirmed), with identified parents Nathaniel & Minnie — first a daughter (b.~1916), then head of a 14-person household.
Age 24
b. ~1916
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Garrett-County, Maryland |
| Surname | Knox |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Blooming District #14 |
| 1935 Residence (County) | Garrett |
| Additional Details | |
| Occupation | Housework |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 30 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Housework |
| Township / Ward | Blooming District 14 |
| Est. Birth Year | ~1916 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Knox | Daughter | — | 24 | ~1916 |
| Nathan Knox | Head | — | 65 | ~1875 |
| Junior Knox | Other | — | 3 | ~1937 |
| Wanda Knox | Daughter | — | 2 | ~1938 |
| Jonas Knox | Son | — | 7 | ~1933 |
| Alonza Knox | Other | — | 5 | ~1935 |
| Harland Knox | Son | — | 13 | ~1927 |
| Genevieve Knox | Daughter | — | 12 | ~1928 |
| Edward Knox | Son | — | 33 | ~1907 |
| Alice Knox | Daughter | — | 16 | ~1924 |
| John Knox | Son | — | 8 | ~1932 |
| Minnie Knox | Spouse | — | 53 | ~1887 |
| Daniel Knox | Son | — | 20 | ~1920 |
| Elsie Knox | Daughter | — | 23 | ~1917 |
Census Appearances
1920
Garrett, Maryland
Daughter, age 4
Garrett, Maryland · implied b. ~1916 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knox |
| Given Name | Mary E M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Garrett, Maryland
Daughter, age 14
Garrett, Maryland · implied b. ~1916 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knox |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Garrett-County, Maryland
Daughter, age 24
Garrett-County, Maryland · implied b. ~1916 — 14 household members
| Surname | Knox |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Blooming District #14 |
| 1935 Residence (County) | Garrett |
| Occupation | Housework |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 30 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Knox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Nathaniel Knox (~0.92 confidence) and mother Minnie Knox (~0.92 confidence) and father John Knox (~0.80 confidence) and mother Barbara Knox (~0.80 confidence). The pedigree spans 2 generations with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.86
Father
Nathaniel Knox
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Minnie Knox
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
John Knox
b. ~1842
Source mother>father
● Household
· direct · ~0.8
Mother
Barbara Knox
b. ~1865
Source mother>mother
● Household
· direct · ~0.8
This person
Anchor record
Mary Knox
Daughter · 1940 · age 24 · b. ~1916 · Maryland
★ You are viewing this record
Sibling
John Knox
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Knox
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Genevieve Knox
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harland Knox
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Knox
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jonas Knox
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Knox
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elsie Knox
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wanda Knox
Sibling · 1940 · age 2
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 — Garrett-County, Maryland
Open full size
1940 US Federal Census — Garrett-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01550-00572)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harvey F Uphold | 19 | Son-in-law | Laborer | Maryland |
| 42 | Floyd M Bowman | 42 | Head | — | Pennsylvania |
| 43 | Estella M Bowman | 34 | Wife | — | Maryland |
| 44 | Hazel V Bowman | 12 | Daughter | — | Maryland |
| 45 | Clarence A Long | 30 | Head | Trucker | Maryland |
| 46 | Bernadine A Long | 23 | Wife | — | Maryland |
| 47 | Wilma J Long | 2 | Daughter | — | Maryland |
| 48 | John W Goldizen | 47 | Head | Laborer | Maryland |
| 49 | Lydia F Goldizen | 45 | Wife | — | Maryland |
| 50 | George S Goldizen | 17 | Son | Laborer | Maryland |
| 51 | Lester R Goldizen | 14 | Son | — | Maryland |
| 52 | Vera A Goldizen | 12 | Daughter | — | Maryland |
| 53 | John O. J. Goldizen | 8 | Son | — | Maryland |
| 54 | Albert Friend | 32 | Head | Hauling Timber | Maryland |
| 55 | Gladys V Friend | 25 | Wife | — | Maryland |
| 56 | John J Friend | 5 | Son | — | Maryland |
| 57 | Freddie W Friend | 0 | Son | — | Maryland |
| 58 | Nathan Knox | 65 | Head | — | Maryland |
| 59 | Minnie B Knox | 53 | Wife | — | Maryland |
| 60 | Edward J Knox | 33 | Son | Timber Man | Maryland |
| 61 | Mary E Knox THIS PERSON | 24 | Daughter | Housework | Maryland |
| 62 | Elsie J Knox | 23 | Daughter | Housework | Maryland |
| 63 | Daniel E Knox | 20 | Son | Hauling Logs | Maryland |
| 64 | Alice R Knox | 16 | Daughter | New Worker | Maryland |
| 65 | Harland S Knox | 13 | Son | — | Maryland |
| 66 | Genevieve L Knox | 12 | Daughter | — | Maryland |
| 67 | John D Knox | 8 | Son | — | Maryland |
| 68 | Jonas R Knox | 7 | Son | — | Maryland |
| 69 | Alonza L Knox | 5 | Grandson | — | Maryland |
| 70 | Junior L Knox | 3 | Grandson | — | Maryland |
| 71 | Wanda L Knox | 2 | Daughter | — | Maryland |
| 72 | Malva A Cower | 36 | Head | Missionary | Maryland |
| 73 | James T. J. Cower | 18 | Son | — | Maryland |
| 74 | Charles O Browning | 46 | Head | Laborer | Maryland |
| 75 | Herbert W Browning | 56 | Brother | Laborer | Maryland |
| 76 | Tillie Mason | 60 | Housekeeper | Housekeeper | Maryland |
| 77 | John D Browning | 38 | Head | Laborer | Maryland |
| 78 | Emma J Browning | 81 | Mother | — | Maryland |
| 79 | Abel S Browning | 85 | Uncle | — | Maryland |
| 80 | Dewey E Harvey | 25 | Lodger | Service Station | West Virginia |
Pedigree Summary
Mary + 9 siblings
Gen 1 · 2 parents
~0.92
Gen 2 · 2 grandparents
~0.81
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)