MC
Mary Crawford — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegany-County, Maryland
Our Model Tree links this Mary Crawford across the 1920, 1930 and 1940 US Censuses in Allegany-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1884), then head of a 8-person household.
Age 56
b. ~1884
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegany-County, Maryland |
| Surname | Crawford |
| Given Name | Mary S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District #9 Barton |
| 1935 Residence (County) | Allegany |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election District 9 Barton |
| Est. Birth Year | ~1884 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Anna Crawford | Daughter | — | 14 | ~1926 |
| George Crawford | Head | — | 65 | ~1875 |
| George Crawford | Son | — | 39 | ~1901 |
| Marshall Crawford | Son | — | 27 | ~1913 |
| Sherman Crawford | Son | — | 28 | ~1912 |
| Wesley Crawford | Son | — | 37 | ~1903 |
| Frank Crawford | Son | — | 30 | ~1910 |
| Mary Crawford | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Allegany, Maryland
Spouse, age 36
Allegany, Maryland · implied b. ~1884 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crawford |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| 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
Allegany, Maryland
Spouse, age 47
Allegany, Maryland · implied b. ~1883 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crawford |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 17 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Allegany-County, Maryland
Spouse, age 56
Allegany-County, Maryland · implied b. ~1884 — 8 household members
| Surname | Crawford |
| Given Name | Mary S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Election District #9 Barton |
| 1935 Residence (County) | Allegany |
| 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 Crawford across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Crawford
Spouse · 1940 · age 56 · b. ~1884 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Allegany-County, Maryland
Open full size
1940 US Federal Census — Allegany-County, Maryland
Page Contents
14 people indexed on this census page (nara:1940:m-t0627-01499-00727)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George R. Miller | 33 | Head | Watchman | Maryland |
| 2 | Ovia E. Miller | 35 | Wife | — | Maryland |
| 3 | Dorothy E. Miller | 14 | Daughter | Helping In Home | Maryland |
| 4 | Althea J. Miller | 5 | Daughter | — | Maryland |
| 5 | Verna P. Miller | 3 | Daughter | — | Maryland |
| 6 | George Crawford | 65 | Head | Farmer | Maryland |
| 7 | George E. Crawford | 39 | Son | Coal Miner | Maryland |
| 8 | Wesley Crawford | 37 | Son | Coal Miner | Maryland |
| 9 | Frank H. Crawford | 30 | Son | Coal Miner | Maryland |
| 10 | Sherman R. Crawford | 28 | Son | Coal Miner | Maryland |
| 11 | Marshall Crawford | 27 | Son | New Worker | Maryland |
| 12 | Anna Crawford | 14 | Daughter | — | Maryland |
| 13 | Mary S. Crawford THIS PERSON | 56 | Wife | — | Maryland |
| 14 | David Robertson | 63 | Head | Laborer | Maryland |
Related Census Records
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)