WS
William Summers — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Frederick-County, Maryland
Our Model Tree links this William Summers across the 1920, 1930 and 1940 US Censuses in Frederick-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 6-person household.
Age 55
b. ~1885
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Frederick-County, Maryland |
| Surname | Summers |
| Given Name | William E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Frederick City |
| 1935 Residence (County) | Frederick |
| Additional Details | |
| Occupation | Laborer |
| Industry | Mill Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | 7 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Frederick City |
| Est. Birth Year | ~1885 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Geraldine Hildebrand | Daughter | — | 19 | ~1921 |
| Colin Hildebrand | Other | — | 3 | ~1937 |
| Joan Hildebrand | Other | — | 4 | ~1936 |
| Eva Summers | Spouse | — | 47 | ~1893 |
| Paul Hildebrand | Other | — | 29 | ~1911 |
| William Summers | Head | — | 55 | ~1885 |
Census Appearances
1920
Frederick, Maryland
Head, age 36
Frederick, Maryland · implied b. ~1884 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Summers |
| Given Name | William G |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| 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 45
Frederick, Maryland · implied b. ~1885 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Summers |
| Given Name | William H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 23 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Frederick-County, Maryland
Head, age 55
Frederick-County, Maryland · implied b. ~1885 — 6 household members
| Surname | Summers |
| Given Name | William E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Frederick City |
| 1935 Residence (County) | Frederick |
| Occupation | Laborer |
| Industry | Mill Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | 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 William Summers across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Summers
Head · 1940 · age 55 · b. ~1885 · 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 — 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-t0627-01548-00252)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edwin A Crosby | 47 | Head | Machinist | Maryland |
| 2 | Anna G Crosby | 43 | Wife | — | Maryland |
| 3 | Elizabeth R Crosby | 17 | Daughter | — | Maryland |
| 4 | Edwin A Jr Crosby | 13 | Son | — | Maryland |
| 5 | William H Hess | 54 | Head | Printer | Maryland |
| 6 | Lillian C Hess | 55 | Wife | — | Maryland |
| 7 | Dorothy P Hess | 18 | Daughter | — | Maryland |
| 8 | William H Jr Hess | 15 | Son | — | Maryland |
| 9 | Evelyn M Hess | 12 | Daughter | — | Maryland |
| 10 | Charlotte M Hess | 10 | Daughter | — | Maryland |
| 11 | Fort Mary C Hess | 75 | Mother-in-law | — | Maryland |
| 12 | Harry R Baker | 33 | Head | Engineer | Maryland |
| 13 | Viola C Baker | 32 | Wife | — | Maryland |
| 14 | Linwood R Baker | 12 | Son | — | Maryland |
| 15 | Shirley M Baker | 9 | Daughter | — | Maryland |
| 16 | Harry W Baker | 7 | Son | — | Maryland |
| 17 | Dorothy L Baker | 6 | Daughter | — | Maryland |
| 18 | Cyril Q Baker | 2 | Son | — | Maryland |
| 19 | Milton C Akers | 59 | Head | Night Watchman | Maryland |
| 20 | Mollie M Akers | 64 | Wife | — | Maryland |
| 21 | Emma Smith | 26 | Lodger | Seamstress | Maryland |
| 22 | David C Yinger | 55 | Head | Assistant | Maryland |
| 23 | Mary Ellen Yinger | 54 | Wife | — | Maryland |
| 24 | Mary Ellen Yinger | 21 | Daughter | New Worker | Maryland |
| 25 | Dorothy R Yinger | 15 | Daughter | — | Maryland |
| 26 | William E Summers THIS PERSON | 55 | Head | Laborer | Maryland |
| 27 | Eva M Summers | 47 | Wife | — | Maryland |
| 28 | Paul S Hildebrand | 29 | Son-in-law | Knitter | Maryland |
| 29 | Geraldine G Hildebrand | 19 | Daughter | — | Maryland |
| 30 | Joan F Hildebrand | 4 | G-Daughter | — | Maryland |
| 31 | Colin S Hildebrand | 3 | G-Daughter | — | Maryland |
| 32 | Walter R Comer | 37 | Head | Salesman | Pennsylvania |
| 33 | Nellie J Comer | 37 | Wife | — | Maryland |
| 34 | Walter Jr Comer | 8 | Son | — | Maryland |
| 35 | Doris J Comer | 6 | Daughter | — | Maryland |
| 36 | Robert H Comer | 4 | Son | — | Maryland |
| 37 | Frank C Miller | 25 | Lodger | Research Dept | Maryland |
| 38 | Edward J Myers | 44 | Head | Salesman | Maryland |
| 39 | Julia S Myers | 44 | Wife | — | Maryland |
| 40 | Edward J Jr Myers | 20 | Son | Plater | Maryland |
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)