JS
James Simms — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-County, Maryland
Our Model Tree links this James Simms across the 1920, 1930 and 1940 US Censuses in Baltimore-County, Maryland (XGBoost, ~Confirmed), with identified parents Simms & Pearl — first a head (b.~1909), then head of a 5-person household.
Age 31
b. ~1909
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-County, Maryland |
| Surname | Simms |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Unincorporated place Fairlawn, Dundalk, St. Helena |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Occupation | Foreman |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 2080 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Foreman |
| Township / Ward | Unincorporated Place Fairlawn Dundalk St Helena |
| Est. Birth Year | ~1909 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Charlene Riggle | Daughter | — | 7 | ~1933 |
| Vera Simms | Spouse | — | 32 | ~1908 |
| James Simms | Son | — | 3 | ~1937 |
| James Simms | Head | — | 31 | ~1909 |
| Harry Libert | Other | — | 23 | ~1917 |
Census Appearances
1920
Baltimore, Maryland
Son, age 11
Baltimore, Maryland · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simms |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| 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
Baltimore, Maryland
Son, age 21
Baltimore, Maryland · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simms |
| Given Name | James Y. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Asst Foreman |
| Industry | State-Road |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-County, Maryland
Head, age 31
Baltimore-County, Maryland · implied b. ~1909 — 5 household members
| Surname | Simms |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Unincorporated place Fairlawn, Dundalk, St. Helena |
| 1935 Residence (County) | Baltimore |
| Occupation | Foreman |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 2080 |
| Highest Grade | Hs 2 |
| 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 James Simms across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Simms William (~0.92 confidence) and mother Pearl Simms (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Simms William
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Pearl Simms
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Simms
Head · 1940 · age 31 · b. ~1909 · 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 — 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-t0627-01506-00239)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gloria Dambrosio | 3 | Daughter | — | Maryland |
| 2 | Thomas Theuchik | 48 | Head | Labor Foreman | Ukrania |
| 3 | Mary Theuchik | 44 | Wife | — | Ukrania |
| 4 | John Theuchik | 23 | Son | New Worker | Connecticut |
| 5 | Sophia Theuchik | 18 | Daughter | Assorter | Connecticut |
| 6 | Olga Theuchik | 16 | Daughter | Assorter | New York |
| 7 | Stella Theuchik | 14 | Daughter | — | New York |
| 8 | Catherine Theuchik | 12 | Daughter | — | New York |
| 9 | Vito Tinelli | 52 | Head | Foreman | Italy |
| 10 | Mary Tinelli | 34 | Wife | — | Pennsylvania |
| 11 | Angelina Tinelli | 18 | Son | — | Pennsylvania |
| 12 | Domenick Tinelli | 16 | Son | — | Pennsylvania |
| 13 | Josephine Tinelli | 13 | Daughter | — | Pennsylvania |
| 14 | Yolanda Tinelli | 13 | Daughter | — | Maryland |
| 15 | Julia Tinelli | 11 | Daughter | — | Maryland |
| 16 | Nicholas Tinelli | 10 | Son | — | Maryland |
| 17 | Beatrice Tinelli | 8 | Daughter | — | Maryland |
| 18 | Vito Jr. Tinelli | 6 | Son | — | Maryland |
| 19 | Casper Scalice | 24 | Lodger | Welder | Pennsylvania |
| 20 | Domenick Scalice | 22 | Lodger | Porter | Pennsylvania |
| 21 | Theodore Brown | 34 | Head | Electrician | West Virginia |
| 22 | Matilda Brown | 31 | Wife | — | Maryland |
| 23 | Charlotte Brown | 12 | Daughter | — | Maryland |
| 24 | Joseph Boyd | 25 | Head | Steel Worker | Delaware |
| 25 | Rosaley Boyd | 24 | Wife | — | South Carolina |
| 26 | Thomas Eder | 30 | Head | Furnaceher | Maryland |
| 27 | Sophia Eder | 23 | Wife | Stenographer | Maryland |
| 28 | Rose Ann Eder | 1 | Daughter | — | Maryland |
| 29 | James Simms THIS PERSON | 31 | Head | Foreman | Maryland |
| 30 | Vera Simms | 32 | Wife | — | Ohio |
| 31 | James Jr. Simms | 3 | Son | — | Maryland |
| 32 | Charlene Riggle | 7 | Daughter | — | Ohio |
| 33 | Harry Libert | 23 | Lodger | Labor | Ohio |
| 34 | James Riley | 29 | Head | Loader | Ohio |
| 35 | Mary Riley | 27 | Wife | — | Ohio |
| 36 | Mary Jane Riley | 10 | Daughter | — | Ohio |
| 37 | Melvine Riley | 9 | Daughter | — | Ohio |
| 38 | Florence Riley | 4 | Daughter | — | Maryland |
| 39 | Patricia Riley | 3 | Daughter | — | Maryland |
| 40 | Michael Barthan | 43 | Head | Open Heater | Russia |
Pedigree Summary
James
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)