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James Dunlap — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this James Dunlap across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 11-person household.
Age 15
b. ~1925
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Dunlap |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1925 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Virginia Dunlap | Daughter | — | 13 | ~1927 |
| Robert Dunlap | Son | — | 4 | ~1936 |
| Margaret Mccarrie | Daughter | — | 21 | ~1919 |
| Anne Dunlap | Spouse | — | 37 | ~1903 |
| Eugene Dunlap | Son | — | 23 | ~1917 |
| James Dunlap | Son | — | 15 | ~1925 |
| Pauline Dunlap | Daughter | — | 10 | ~1930 |
| Lafayette Dunlap | Son | — | 6 | ~1934 |
| Jerome Mccarrie | Other | — | 3 | ~1937 |
| James Dunlap | Head | — | 48 | ~1892 |
| Nathaniel Dunlap | Son | — | 18 | ~1922 |
Census Appearances
1930
Baltimore, Maryland
Son, age 4
Baltimore, Maryland · implied b. ~1926 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunlap |
| Given Name | James Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 15
Baltimore-City-County, Maryland · implied b. ~1925 — 11 household members
| Surname | Dunlap |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 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 Dunlap across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Dunlap
Son · 1940 · age 15 · b. ~1925 · Maryland
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Sibling
Nathaniel Dunlap
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mccarrie
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Dunlap
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lafayette Dunlap
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pauline Dunlap
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Dunlap
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Dunlap
Sibling · 1940 · age 4
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
39 people indexed on this census page (nara:1940:m-t0627-01510-00665)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frances Piela | 40 | Wife | — | Italy |
| 42 | Frank Piela | 26 | Step-son | Foreman | Italy |
| 43 | Joseph Mamolite | 20 | Step-son | Mechanic | Pennsylvania |
| 44 | August Mamolite | 18 | Step-son | Helper | Pennsylvania |
| 45 | Jasper Mamolite | 17 | Step-son | — | Pennsylvania |
| 46 | Margaret Mamolite | 14 | Step-daughter | — | Pennsylvania |
| 47 | Manuel Rodriguez | 32 | Nephew | Laborer | Mexico |
| 49 | Luigi Di Pietrantonio | 52 | Head | Mechanic | Italy |
| 50 | Dorothy Di Pietrantonio | 54 | Wife | Coat Maker | Italy |
| 51 | Tony Vacca | 25 | Boarder | Barber | Maryland |
| 52 | Harry Vacca | 20 | Boarder | Bricklayer | Maryland |
| 53 | Richard Pitts | 37 | Head | Attendant | Virginia |
| 54 | Minnie Pitts | 40 | Wife | — | Virginia |
| 55 | Myrtle Pitts | 11 | Daughter | — | Virginia |
| 56 | James Dunlap | 48 | Head | — | South Carolina |
| 57 | Anne Dunlap | 37 | Wife | — | South Carolina |
| 58 | Nathaniel Dunlap | 18 | Son | Plumber | South Carolina |
| 59 | James Jr. Dunlap THIS PERSON | 15 | Son | — | Maryland |
| 60 | Virginia Dunlap | 13 | Daughter | — | Maryland |
| 61 | Pauline Dunlap | 10 | Daughter | — | Maryland |
| 62 | Lafayette Dunlap | 6 | Son | — | Maryland |
| 63 | Robert Dunlap | 4 | Son | — | Maryland |
| 64 | Margaret Mccarrie | 21 | Daughter | Housework | South Carolina |
| 65 | Jerome Mccarrie | 3 | Grandson | — | Maryland |
| 66 | Eugene Dunlap | 23 | Son | Laborer | South Carolina |
| 67 | Carl Mantegna | 47 | Head | Ice Dealer | Italy |
| 68 | Josephine Mantegna | 40 | Wife | — | Italy |
| 69 | Pauline Mantegna | 22 | Daughter | Switchboard | Oklahoma |
| 70 | Christine Mantegna | 20 | Daughter | — | Oklahoma |
| 71 | Mary Mantegna | 18 | Daughter | — | Oklahoma |
| 72 | Rose Mantegna | 16 | Daughter | — | Oklahoma |
| 73 | Jennie Mantegna | 9 | Daughter | — | Maryland |
| 74 | Ignazio Mantegna | 6 | Son | — | Maryland |
| 75 | Frank Genov | 50 | Head | Shoe Repair | Italy |
| 76 | Katherine Genov | 44 | Wife | Collar And Band | Italy |
| 77 | Vincent Genov | 20 | Son | Printer | Maryland |
| 78 | Rosario Genov | 16 | Son | Helper | Maryland |
| 79 | Frank Jr. Genov | 5 | Son | — | Maryland |
| 80 | Anthony Genov | 24 | Son | — | Maryland |
Related Census Records
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)