JC
James Carr — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this James Carr across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents William & Julia — first a son (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Carr |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Painter |
| Industry | Government |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 252 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Painter |
| Township / Ward | Baltimore City |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Jesse Carr | Head | — | 63 | ~1877 |
| James Carr | Son | — | 31 | ~1909 |
| Elmer Carr | Son | — | 26 | ~1914 |
Census Appearances
1920
Baltimore, Maryland
Son, age 10
Baltimore, Maryland · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carr |
| Given Name | James D. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Mulatto |
| Age | 10 |
| 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 20
Baltimore, Maryland · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carr |
| Given Name | James H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 31
Baltimore-City-County, Maryland · implied b. ~1909 — 3 household members
| Surname | Carr |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Painter |
| Industry | Government |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 252 |
| Highest Grade | 8 |
| 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 Carr across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Carr (~0.92 confidence) and mother Julia Carr (~0.92 confidence) and father Jesse Carr (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Carr
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Julia Carr
b. ~1872
Source mother
● Household
· direct · ~0.92
Father
Jesse Carr
b. ~1877
Source father
● Household
· direct · ~0.92
This person
Anchor record
James Carr
Son · 1940 · age 31 · b. ~1909 · Maryland
★ You are viewing this record
Sibling
Elmer Carr
Sibling · 1940 · age 26
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-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01516-00626)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kenneth Whitmer | 18 | Son | Helper | Virginia |
| 2 | Naomi Whitmer | 17 | Daughter | Clerk | Virginia |
| 3 | Benjamin Whitmer | 16 | Son | — | Virginia |
| 4 | Jackson Whitmer | 14 | Son | — | Virginia |
| 5 | James Whitmer | 13 | Son | — | Virginia |
| 6 | Irvin Whitmer | 11 | Son | — | Maryland |
| 7 | Frank Whitmer | 22 | Head | Saw Mill | Virginia |
| 8 | Naomi Whitmer | 21 | Wife | — | Maryland |
| 9 | Frank Jr Whitmer | 2 | Son | — | Maryland |
| 10 | Charles R Lucket | 70 | Head | Store Keeper | Pennsylvania |
| 11 | Howard Morgan | 59 | Head | — | Maryland |
| 12 | Estella M Morgan | 61 | Wife | — | Maryland |
| 13 | George Rohrman | 41 | Head | Laborer | Maryland |
| 14 | Anna Rohrman | 16 | Daughter | — | Maryland |
| 15 | Virginia Rohrman | 13 | Daughter | — | Maryland |
| 16 | Francis Reed | 20 | Lodger | Checker | Maryland |
| 17 | Jesse Carr | 63 | Head | Chauffeur | Maryland |
| 18 | James Carr THIS PERSON | 31 | Son | Painter | Maryland |
| 19 | Elmer Carr | 26 | Son | Oiler | Maryland |
| 20 | Simon A Minch | 66 | Head | — | Maryland |
| 21 | Sadie A Minch | 66 | Wife | — | Pennsylvania |
| 22 | Charles Ficke | 24 | Head | Chauffeur | Maryland |
| 23 | Helen Ficke | 21 | Wife | — | Maryland |
| 24 | Caroline Ficke | 5 | Daughter | — | Maryland |
| 25 | Ann Monaghan | 70 | Head | — | Maryland |
| 26 | John Durkin | 78 | Lodger | — | Maryland |
| 27 | Dennis Pearce | 64 | Head | Chauffeur | Maryland |
| 28 | Blanche Pearce | 57 | Wife | — | Maryland |
| 29 | Alfred Pearce | 35 | Son | Chauffeur | Maryland |
| 30 | Samuel Landy | 36 | Head | Chauffeur | Virginia |
| 31 | Anna E Landy | 35 | Wife | — | Maryland |
| 32 | James Landy | 11 | Son | — | Maryland |
| 33 | Anna Landy | 9 | Daughter | — | Maryland |
| 34 | John Landy | 2 | Son | — | Maryland |
| 35 | John E Kelley | 74 | Head | — | Maryland |
| 36 | Maud Poe | 75 | Lodger | Dress Maker | Maryland |
| 37 | Frederick Davis | 47 | Head | Carpenter | Virginia |
| 38 | Lillian M Davis | 48 | Wife | — | Maryland |
| 39 | Millicent Davis | 14 | Daughter | — | Maryland |
| 40 | Vernon Davis | 10 | Son | — | Maryland |
Pedigree Summary
James + 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)