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Mary Montgomery — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cecil-County, Maryland
Our Model Tree links this Mary Montgomery across the 1920, 1930 and 1940 US Censuses in Cecil-County, Maryland (XGBoost, ~Confirmed), with identified parents Margaret — first a spouse (b.~1900), then head of a 5-person household.
Age 40
b. ~1900
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cecil-County, Maryland |
| Surname | Montgomery |
| Given Name | Mary B. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | 5th District |
| 1935 Residence (County) | Cecil |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | 5Th District |
| Est. Birth Year | ~1900 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jean Montgomery | Daughter | — | 15 | ~1925 |
| D Montgomery | Head | — | 40 | ~1900 |
| Margaret Dancraft | Other | — | 59 | ~1881 |
| Wilfrid Montgomery | Son | — | 17 | ~1923 |
| Mary Montgomery | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Cecil, Maryland
Daughter, age 20
Cecil, Maryland · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | Mary V |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Cecil, Maryland
Spouse, age 30
Cecil, Maryland · implied b. ~1900 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | Mary B |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 19 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Cecil-County, Maryland
Spouse, age 40
Cecil-County, Maryland · implied b. ~1900 — 5 household members
| Surname | Montgomery |
| Given Name | Mary B. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | 5th District |
| 1935 Residence (County) | Cecil |
| Highest Grade | H-4 |
| 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 Montgomery across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Margaret Cross (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Margaret Cross
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Montgomery
Spouse · 1940 · age 40 · b. ~1900 · Maryland
★ 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 — Cecil-County, Maryland
Open full size
1940 US Federal Census — Cecil-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01545-00507)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Garmon D. Eastridge | 19 | Son | Laborer | Maryland |
| 42 | P. Brown Eastridge | 18 | Son | Laborer | Maryland |
| 43 | John R. Eastridge | 17 | Son | School Work | Maryland |
| 44 | Ruby A. Eastridge | 15 | Daughter | — | Maryland |
| 45 | Pearl H. Eastridge | 13 | Daughter | — | Maryland |
| 46 | Grace C. Eastridge | 7 | Daughter | — | Maryland |
| 47 | D. Ross Montgomery | 40 | Head | Blacksmith Helper | Maryland |
| 48 | Mary B. Montgomery THIS PERSON | 40 | Wife | — | Maryland |
| 49 | Wilfrid D. Montgomery | 17 | Son | School Work | Maryland |
| 50 | Jean A. Montgomery | 15 | Daughter | — | Maryland |
| 51 | Margaret P. Dancraft | 59 | Mother-in-law | — | Maryland |
| 52 | Wilson J. Mccardell | 63 | Head | Carpenter | Maryland |
| 53 | Carrie Mccardell | 62 | Wife | — | Maryland |
| 54 | Harold W. Mccardell | 22 | Son | Laborer | Maryland |
| 55 | Wilson J. Mccardell | 23 | Son | Laborer | Maryland |
| 56 | Howard B. Fletcher | 25 | Head | Farm Laborer | Virginia |
| 57 | Edna L. Fletcher | 26 | Wife | — | Maryland |
| 58 | Howard L. Fletcher | 8 | Son | — | Maryland |
| 59 | Charles E. Fletcher | 6 | Son | — | Maryland |
| 60 | Rebecca E. Lewis | 34 | Head | — | Pennsylvania |
| 61 | Doris E. Lewis | 3 | Daughter | — | Maryland |
| 62 | Leslie D. Lewis | 1 | Son | — | Maryland |
| 63 | Reuben Benedict | 66 | Head | Laborer | Pennsylvania |
| 64 | Ernest B. Mccardell | 52 | Head | Carpenter | Maryland |
| 65 | Lydia L. Mccardell | 49 | Wife | — | Maryland |
| 66 | Ralph E. Mccardell | 29 | Son | Truck Driver | Maryland |
| 67 | Elizabeth M. Mccardell | 18 | Daughter | Clerk | Maryland |
| 68 | Lorraine Mccardell | 14 | Daughter | — | Maryland |
| 69 | Shirley L. Mccardell | 11 | Daughter | — | Maryland |
| 70 | Levi M. Balderson | 49 | Head | Farmer | Maryland |
| 71 | Annie R. Balderson | 49 | Wife | — | Pennsylvania |
| 72 | Donald Balderson | 16 | Son | — | Maryland |
| 73 | Philip A. Bates | 42 | Head | Farm Laborer | Maryland |
| 74 | Clara A. Bates | 41 | Wife | — | Maryland |
| 75 | Philip A. Bates | 21 | Son | Sergeant | Maryland |
| 76 | E. Carey French | 35 | Head | Laborer | Maryland |
| 77 | Lily French | 34 | Wife | — | Pennsylvania |
| 78 | A. Paul French | 12 | Son | — | Maryland |
| 79 | Lloyd L. French | 21 | Son | — | Maryland |
| 80 | Albert P. Worthington | 75 | Boarder | Laborer | Pennsylvania |
Pedigree Summary
Mary
Gen 1 · 1 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)