CM
Charles May — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Frederick-County, Maryland
Our Model Tree links this Charles May across the 1920, 1930 and 1940 US Censuses in Frederick-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 5-person household.
Age 59
b. ~1881
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Frederick-County, Maryland |
| Surname | May |
| Given Name | Charles W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Bartonville |
| 1935 Residence (County) | Frederick |
| Additional Details | |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H-5 |
| 1935 Residence | Md |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Bartonville |
| Est. Birth Year | ~1881 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Charles May | Head | — | 59 | ~1881 |
| Bernard May | Son | — | 18 | ~1922 |
| Annie May | Spouse | — | 54 | ~1886 |
| Annabelle May | Daughter | — | 16 | ~1924 |
| Mary May | Daughter | — | 14 | ~1926 |
Census Appearances
1920
Frederick, Maryland
Head, age 37
Frederick, Maryland · implied b. ~1883 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | Charles W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Saw mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Frederick, Maryland
Head, age 49
Frederick, Maryland · implied b. ~1881 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | May |
| Given Name | Charles W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 20 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Maryland |
| Occupation | Painter |
| Industry | House |
| Class of Worker | 28X1 |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 9 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Frederick-County, Maryland
Head, age 59
Frederick-County, Maryland · implied b. ~1881 — 5 household members
| Surname | May |
| Given Name | Charles W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Bartonville |
| 1935 Residence (County) | Frederick |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H-5 |
| 1935 Residence | Md |
| 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 Charles May across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Charles May
Head · 1940 · age 59 · b. ~1881 · 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 — Frederick-County, Maryland
Open full size
1940 US Federal Census — Frederick-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01549-00062)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles W May THIS PERSON | 59 | Head | — | Maryland |
| 2 | Annie V May | 54 | Wife | — | Maryland |
| 3 | Bernard F May | 18 | Son | Baker | Maryland |
| 4 | Annabelle L May | 16 | Daughter | Laundress | Maryland |
| 5 | Mary E May | 14 | Daughter | — | Maryland |
| 6 | Charles W Davis | 57 | Head | Laborer | Maryland |
| 7 | Edith Davis | 51 | Wife | — | Maryland |
| 8 | Charles J Davis | 31 | Son | — | Maryland |
| 9 | Ulyssess M Davis | 16 | Son | — | Maryland |
| 10 | Gilbert L Davis | 15 | Son | — | Maryland |
| 11 | Willard B Davis | 13 | Son | — | Maryland |
| 12 | Conrad B Davis | 11 | Son | — | Maryland |
| 13 | Harry W May | 27 | Head | Laborer | Maryland |
| 14 | Dorothy A May | 24 | Wife | — | Maryland |
| 15 | Dorothy L May | 7 | Daughter | — | Maryland |
| 16 | Harry W May | 6 | Son | — | Maryland |
| 17 | Shirley Ann May | 5 | Daughter | — | Maryland |
| 18 | Charles L May | 3 | Son | — | Maryland |
| 19 | Donna E May | 1 | Daughter | — | Maryland |
| 20 | Alvie E Nusbaum | 38 | Head | Laborer | Maryland |
| 21 | Lola D Nusbaum | 35 | Wife | — | Maryland |
| 22 | Alvie E Jr Nusbaum | 7 | Son | — | Maryland |
| 23 | Irene E Nusbaum | 5 | Daughter | — | Maryland |
| 24 | Charlotte J Nusbaum | 1 | Daughter | — | Maryland |
| 25 | George W Tobery | 83 | Head | — | Maryland |
| 26 | Annie R Barr | 81 | Sister | — | Maryland |
| 27 | Melvin E Crouse | 22 | Head | Truck Driver | Maryland |
| 28 | Eva May Crouse | 19 | Wife | Seamstress | Maryland |
| 29 | Melvin E Jr Crouse | 0 | Son | — | Maryland |
| 30 | Milton J Phelps | 50 | Head | Laborer | Maryland |
| 31 | Dewey S Grimmitt | 39 | Head | Laborer | Maryland |
| 32 | Evelyn Grimmitt | 27 | Wife | — | Maryland |
| 33 | Dewey S Jr Grimmitt | 9 | Son | — | Maryland |
| 34 | Jacob L Grimmitt | 7 | Son | — | Maryland |
| 35 | John W Grimmitt | 6 | Son | — | Maryland |
| 36 | Robert C Grimmitt | 2 | Son | — | Maryland |
| 37 | Raymond F Burns | 24 | Head | Laborer | Maryland |
| 38 | Harriet V Burns | 17 | Wife | — | Maryland |
| 39 | Stanley E Burns | 2 | Son | — | Maryland |
| 40 | Completed Burns | None | — | — | — |
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)