MS
Melvin Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this Melvin Smith across the 1920, 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed), with identified parents Margaret & Howard — first a son (b.~1905), then head of a 4-person household.
Age 35
b. ~1905
Male
Son
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Smith |
| Given Name | Melvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Arbutus |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Occupation | Machinist |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | No 8 |
| 1935 Residence | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Machinist |
| Township / Ward | Arbutus |
| Est. Birth Year | ~1905 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Melvin | Age | Birth yr |
|---|---|---|---|---|
| Margaret Smith | Head | — | 71 | ~1869 |
| Mary Smith | Other | — | 31 | ~1909 |
| Melvin Smith | Son | — | 35 | ~1905 |
| Clarence Smith | Son | — | 50 | ~1890 |
Census Appearances
1920
Baltimore, Maryland
Son, age 15
Baltimore, Maryland · implied b. ~1905 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Melvin S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Other, age 25
Baltimore, Maryland · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Melvin |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 20 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Machinist |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Son, age 35
Baltimore-County, Maryland · implied b. ~1905 — 4 household members
| Surname | Smith |
| Given Name | Melvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Arbutus |
| 1935 Residence (County) | Baltimore |
| Occupation | Machinist |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | No 8 |
| 1935 Residence | Maryland |
| 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 Melvin Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Margaret Smith (~0.92 confidence) and father Howard Smith (~0.92 confidence) and mother Helen Smith (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Margaret Smith
b. ~1869
Source mother
● Household
· direct · ~0.92
Father
Howard Smith
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Helen Smith
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Melvin Smith
Son · 1940 · age 35 · b. ~1905 · Maryland
★ You are viewing this record
Sibling
Clarence Smith
Sibling · 1940 · age 50
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Baltimore-County, Maryland
Open full size
1940 US Federal Census — Baltimore-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01506-00671)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jacqueline Ross | 4 | Daughter | — | Maryland |
| 42 | Clifford R. Baker | 48 | Head | Laborer | New Jersey |
| 43 | Martha L. Baker | 50 | Wife | — | Maryland |
| 44 | Edward J. Doyle | 39 | Head | Maintainer | Maryland |
| 45 | Fannie May Doyle | 39 | Wife | Housewife | Virginia |
| 46 | James E. Doyle | 17 | Son | — | Maryland |
| 47 | E. G. Baldwin | 48 | Head | Agent | Maryland |
| 48 | Baldwin | None | — | — | — |
| 49 | Walter J. Lawson | 49 | Head | Inspector | Pennsylvania |
| 50 | Jennie M. Lawson | 48 | Wife | — | New York |
| 51 | Charles P. Hessfield | 45 | Head | Truck Driver | Maryland |
| 52 | Mary J. Hessfield | 44 | Wife | — | North Carolina |
| 53 | Robert R. Hessfield | 15 | Son | Caddie | Maryland |
| 54 | Mary A. Hessfield | 13 | Daughter | — | Maryland |
| 55 | Ann L. Hessfield | 5 | Daughter | — | Maryland |
| 56 | Eleanor J. Hessfield | 3 | Daughter | — | Maryland |
| 57 | Marie B. Hitzelberger | 47 | Head | — | Maryland |
| 58 | Louis F. Hitzelberger | 50 | Brother | — | Maryland |
| 59 | Caroline J. Hitzelberger | 41 | Sister | Typist | Maryland |
| 60 | August Robinson | 39 | Head | Inspector | Maryland |
| 61 | Mary J. Robinson | 38 | Wife | — | Maryland |
| 62 | Daniel B. Robinson | 13 | Son | — | Maryland |
| 63 | Margaret Smith | 71 | Head | — | Maryland |
| 64 | Melvin Smith THIS PERSON | 35 | Son | Machinist | Maryland |
| 65 | Mary Smith | 31 | Daughter in law | Supervisor | Maryland |
| 66 | Clarence J. Smith | 50 | Son | Clerk | Maryland |
| 67 | — | 70 | Head | Salesman | Maryland |
| 68 | Bessie S. | 62 | Wife | — | Maryland |
| 69 | Mary E. | 43 | Daughter | Saleslady | Maryland |
| 70 | Virgil M. | 39 | Daughter | — | Maryland |
| 71 | H. Raymond Conley | 42 | Head | Clerk | Maryland |
| 72 | B. Marie Conley | 35 | Wife | — | Maryland |
| 73 | Marie E. Conley | 14 | Daughter | — | Maryland |
| 74 | Bernard J. Clifford | 32 | Head | Manager | Maryland |
| 75 | Kathryn E. Clifford | 29 | Wife | — | Maryland |
| 76 | Kathleen N. Clifford | 2 | Daughter | — | Maryland |
| 77 | Austin M. Stapf | 32 | Head | Helper | Maryland |
| 78 | Katherine H. Stapf | 32 | Wife | Saleslady | Maryland |
| 79 | David W. Stokes | 50 | Head | Helper | North Carolina |
| 80 | Margaret J. Stokes | 46 | Wife | Saleslady | Boston |
Pedigree Summary
Melvin + 1 sibling
Gen 1 · 3 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)