ES
Elmer Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Frederick-County, Maryland
Our Model Tree links this Elmer Smith across the 1920, 1930 and 1940 US Censuses in Frederick-County, Maryland (XGBoost, ~Confirmed), with identified parents Charles & Jennie — first a head (b.~1895), then head of a 3-person household.
Age 45
b. ~1895
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Frederick-County, Maryland |
| Surname | Smith |
| Given Name | Elmer C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Frederick City |
| 1935 Residence (County) | Frederick |
| Additional Details | |
| Occupation | Laborer |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 500 |
| Highest Grade | G 5 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Frederick City |
| Est. Birth Year | ~1895 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Elmer | Age | Birth yr |
|---|---|---|---|---|
| Elmer Smith | Head | — | 45 | ~1895 |
| Lawrence Smith | Son | — | 3 | ~1937 |
| Abbie Smith | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Frederick, Maryland
Son, age 23
Frederick, Maryland · implied b. ~1897 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Elmer C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Clerk |
| Industry | Post Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Frederick, Maryland
Head, age 34
Frederick, Maryland · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Elmer C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 28 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Clerk |
| Industry | Post Office |
| Class of Worker | 7X76 |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Radio Set | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Frederick-County, Maryland
Head, age 45
Frederick-County, Maryland · implied b. ~1895 — 3 household members
| Surname | Smith |
| Given Name | Elmer C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Frederick City |
| 1935 Residence (County) | Frederick |
| Occupation | Laborer |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 500 |
| Highest Grade | G 5 |
| 1935 Residence | Same house |
| 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 Elmer Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Smith (~0.92 confidence) and mother Jennie Smith (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Smith
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Jennie Smith
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Elmer Smith
Head · 1940 · age 45 · b. ~1895 · 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-t0627-01548-00418)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Betty Lou Fisher | 17 | Daughter | — | Maryland |
| 2 | Earl Jr. Fisher | 14 | Son | — | Maryland |
| 3 | Benj. R. Eader | 68 | Head | Supt. | Maryland |
| 4 | Blanche R. Eader | 66 | Wife | — | England |
| 5 | Bernardo Eader | 31 | Son | — | Maryland |
| 6 | Burness Critchley | 33 | Head | Mechanic | Maryland |
| 7 | Dorothy Critchley | 29 | Wife | — | Maryland |
| 8 | Paul E. Critchley | 7 | Son | — | Maryland |
| 9 | William Zimmerman | 31 | Head | Service Manager | Maryland |
| 10 | Genevieve Zimmerman | 21 | Wife | — | West Virginia |
| 11 | Nancy A. Zimmerman | 0 | Daughter | — | West Virginia |
| 12 | Raymond E. Bowers | 26 | Head | Machinist | Maryland |
| 13 | Lillian R. Bowers | 23 | Wife | — | Maryland |
| 14 | Charles E. Bowers | 4 | Son | — | Maryland |
| 15 | Ruth V. Bowers | 70 | Head | — | Virginia |
| 16 | Elmer H. Bowers | 42 | Son | Painter | Maryland |
| 17 | Charles E. Bowers | 34 | Son | Painter | Maryland |
| 18 | John W. Vandever | 25 | Head | Veterinarian | Missouri |
| 19 | Lois M. Vandever | 25 | Wife | — | Indiana |
| 20 | Anna M. Shoulder | 61 | Head | — | Germany |
| 21 | May Margaret R. Shoulder | 19 | Daughter | — | Maryland |
| 22 | Betty E. Shoulder | 25 | Daughter | Grain Clerk | Maryland |
| 23 | Elmer C. Smith THIS PERSON | 45 | Head | Laborer | Maryland |
| 24 | Abbie D. Smith | 44 | Wife | — | Maryland |
| 25 | Lawrence E. Smith | 3 | Son | — | Maryland |
| 26 | Gertrude M. Speaks | 62 | Head | — | Maryland |
| 27 | Mattie M. Ruesing | 66 | Head | — | Maryland |
| 28 | Ella M. Ruesing | 42 | Daughter | Clerk | Maryland |
| 29 | Annie C. Knodle | 75 | Head | — | Maryland |
| 30 | David F. Davis | 25 | Head | Cigar Store | Maryland |
| 31 | Bertha C. Davis | 17 | Wife | — | Maryland |
| 32 | Raymond W. Eyler | 62 | Head | Carpenter | Maryland |
| 33 | Lettie M. Eyler | 61 | Wife | — | Maryland |
| 34 | Floyd Spalding | 28 | Son-in-law | Barber | Maryland |
| 35 | Ida J. Spalding | 28 | Daughter | — | Maryland |
| 36 | James Staley | 5 | Grandson | — | Maryland |
| 37 | Charles F. Hubbel | 48 | Lodger | Salesman | Maryland |
| 38 | Frank H. Clark | 25 | Lodger | Salesman | Michigan |
| 39 | Kiefer D. Koogle | 31 | Head | Special Del. Clerk | Maryland |
| 40 | David Koogle | 5 | Son | — | Maryland |
Pedigree Summary
Elmer
Gen 1 · 2 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)