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Mary May — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wicomico-County, Maryland
Our Model Tree links this Mary May across the 1920, 1930 and 1940 US Censuses in Wicomico-County, Maryland (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 7-person household.
Age 47
b. ~1893
Female
Spouse
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wicomico-County, Maryland |
| Surname | May |
| Given Name | Mary H |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | District 9, Salisbury |
| 1935 Residence (County) | Wicomico |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | District 9 Salisbury |
| Est. Birth Year | ~1893 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Florence May | Daughter | — | 7 | ~1933 |
| Mary May | Daughter | — | 12 | ~1928 |
| Rosa May | Daughter | — | 15 | ~1925 |
| Charles May | Head | — | 55 | ~1885 |
| Charles May | Son | — | 9 | ~1931 |
| Joseph May | Son | — | 6 | ~1934 |
| Mary May | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Wicomico, Maryland
Spouse, age 28
Wicomico, Maryland · implied b. ~1892 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | Mary H. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Mulatto |
| Age | 28 |
| 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
Wicomico, Maryland
Spouse, age 38
Wicomico, Maryland · implied b. ~1892 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | Mary H |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 18 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Dairy farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Wicomico-County, Maryland
Spouse, age 47
Wicomico-County, Maryland · implied b. ~1893 — 7 household members
| Surname | May |
| Given Name | Mary H |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | District 9, Salisbury |
| 1935 Residence (County) | Wicomico |
| Highest Grade | No 7 |
| 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 May across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary May
Spouse · 1940 · age 47 · b. ~1893 · 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 — Wicomico-County, Maryland
Open full size
1940 US Federal Census — Wicomico-County, Maryland
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-01563-00688)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles F May | 55 | Head | Laborer | Maryland |
| 2 | Mary H May THIS PERSON | 47 | Wife | — | Maryland |
| 3 | Rosa L May | 15 | Daughter | — | Maryland |
| 4 | Mary M May | 12 | Daughter | — | Maryland |
| 5 | Charles May | 9 | Son | — | Maryland |
| 6 | Florence May | 7 | Daughter | — | Maryland |
| 7 | Joseph May | 6 | Son | — | Maryland |
| 8 | Wesley B Barefoot | 63 | Head | Farmer | Maryland |
| 9 | Emily Williamson | 39 | Lodger | — | Virginia |
| 10 | Helen Williamson | 58 | Lodger | — | Maryland |
| 11 | Maurice Crawford | 11 | Lodger | — | Maryland |
| 12 | Gulie Wall | 22 | Head | Laborer | Maryland |
| 13 | Mabel Wall | 21 | Wife | — | North Carolina |
| 14 | Gulie Jr Wall | 1 | Son | — | Maryland |
| 15 | Lawrence Brown | 34 | Head | Laborer | Maryland |
| 16 | Estell Brown | 24 | Wife | Teacher | Maryland |
| 17 | E. Henry Rounds | 72 | Head | Farmer | Maryland |
| 18 | Laura S Rounds | 66 | Wife | — | Maryland |
| 19 | Jessie Foskey | 40 | Lodger | — | Virginia |
| 20 | Phillip G Dickerson | 63 | Head | Farmer | Maryland |
| 21 | Edna M Dickerson | 54 | Wife | — | Michigan |
| 22 | Mary L Dickerson | 25 | Daughter | — | North Dakota |
| 23 | Almira B Dickerson | 23 | Daughter | Teacher | North Dakota |
| 24 | Leonard Austin | 69 | Head | Farmer | New York |
| 25 | Cora L Austin | 67 | Wife | — | New York |
| 26 | Frank E Dennis | 52 | Head | Farmer | Maryland |
| 27 | Sadie B Dennis | 48 | Wife | — | Maryland |
| 28 | Earle Tyson | 25 | Head | Laborer | North Carolina |
| 29 | Fannie Tyson | 24 | Wife | — | Virginia |
| 30 | Lawrence Dale | 20 | Head | Laborer | Maryland |
| 31 | Elizabeth Dale | 19 | Wife | — | Maryland |
| 32 | Frank Long | 28 | Head | Laborer | Maryland |
| 33 | Iva Long | 20 | Wife | — | Maryland |
| 34 | Carrie M Dennis | 60 | Head | — | Delaware |
| 35 | B. Louise Humphrey | 32 | Daughter | Office Work | Virginia |
| 36 | Jane F Humphrey | 11 | Granddaughter | — | Maryland |
| 37 | George W. Jr Humphrey | 7 | Grandson | — | 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)