JH
James Hogan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Maryland
Our Model Tree links this James Hogan across the 1930 and 1940 US Censuses in Montgomery-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 9-person household.
Age 19
b. ~1921
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Maryland |
| Surname | Hogan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Wheaton |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Bricklayer Helper |
| Industry | Building |
| Class of Worker | PW |
| Hours Worked | 24 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Bricklayer Helper |
| Township / Ward | Wheaton |
| Est. Birth Year | ~1921 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Gladys Hogan | Daughter | — | 12 | ~1928 |
| Mary Hogan | Daughter | — | 14 | ~1926 |
| Catherine Hogan | Daughter | — | 17 | ~1923 |
| James Hogan | Head | — | 53 | ~1887 |
| James Hogan | Son | — | 19 | ~1921 |
| Robert Hogan | Son | — | 18 | ~1922 |
| Lawrence Hogan | Son | — | 21 | ~1919 |
| Charles Hogan | Son | — | 16 | ~1924 |
| Martha Hogan | Spouse | — | 51 | ~1889 |
Census Appearances
1930
Montgomery, Maryland
Son, age 9
Montgomery, Maryland · implied b. ~1921 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hogan |
| Given Name | James F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| 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
Montgomery-County, Maryland
Son, age 19
Montgomery-County, Maryland · implied b. ~1921 — 9 household members
| Surname | Hogan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Wheaton |
| 1935 Residence (County) | Montgomery |
| Occupation | Bricklayer Helper |
| Industry | Building |
| Class of Worker | PW |
| Hours Worked | 24 |
| Highest Grade | Hs 4 |
| 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 James Hogan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Hogan
Son · 1940 · age 19 · b. ~1921 · Maryland
★ You are viewing this record
Sibling
Gladys Hogan
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Hogan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Hogan
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Hogan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Hogan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Hogan
Sibling · 1940 · age 17
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 — Montgomery-County, Maryland
Open full size
1940 US Federal Census — Montgomery-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01555-00905)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Barbara Jane Ashley | 5 | Daughter | — | Virginia |
| 2 | Alice Ashley | 10 | Step-dau | — | Virginia |
| 3 | James Wm. Means | 29 | Head | Truck Driver | Maryland |
| 4 | Katie Eliz. Means | 28 | Wife | House Maid | Maryland |
| 5 | James Wm. Jr. Means | 8 | Son | — | Dist. of Col. |
| 6 | Samuel Pratt | 30 | Brother-in-law | Day Laborer | Maryland |
| 7 | Wilson Pratt | 28 | Brother-in-law | Day Laborer | Maryland |
| 8 | Cola E. Colling | 64 | Head | — | Georgia |
| 9 | Edward A. Colling | 25 | Son | Farm Hand | Maryland |
| 10 | Daisy L. Welch | 69 | Head | — | Virginia |
| 11 | Dorothy W. Welch | 26 | Daughter | — | Maryland |
| 12 | Stanley L. Van Ris | 34 | Head | Dealer | New Hampshire |
| 13 | Gladys W. Van Ris | 34 | Wife | — | Maryland |
| 14 | Henry E. Jr. Van Ris | 14 | Son | — | Vermont |
| 15 | Jane L. Van Ris | 13 | Daughter | — | New Hampshire |
| 16 | Nancy M. Van Ris | 4 | Daughter | — | Dist. of Col. |
| 17 | Grace E. Hussing | 48 | Head | House Parent | Dist. of Col. |
| 18 | Jack Hussing | 21 | Son | Day Laborer | Maryland |
| 19 | Lee W. Hussing | 14 | Son | News Worker | Maryland |
| 20 | Josephine W. Tussell | 19 | Daughter | — | Maryland |
| 21 | Carl Armstead | 23 | Son-in-law | Delivery Boy | Dist. of Col. |
| 22 | Beatrice G. Armstead | 17 | Daughter | House Maid | Maryland |
| 23 | Wm. Elmore West | 42 | Head | Helper | West Virginia |
| 24 | Louis L. Watkins | 33 | Head | Delivery Boy | Virginia |
| 25 | Johnnie Eliz. Watkins | 31 | Wife | House Maid | Maryland |
| 26 | James Hogan | 53 | Head | Farmer | Maryland |
| 27 | Martha Hogan | 51 | Wife | — | Maryland |
| 28 | Lawrence Hogan | 21 | Son | Clerk | Maryland |
| 29 | James Hogan THIS PERSON | 19 | Son | Bricklayer Helper | Maryland |
| 30 | Robert Hogan | 18 | Son | Clerk | Maryland |
| 31 | Catherine Hogan | 17 | Daughter | — | Maryland |
| 32 | Charles Hogan | 16 | Son | News Worker | Maryland |
| 33 | Mary Margaret Hogan | 14 | Daughter | — | Maryland |
| 34 | Gladys Hogan | 12 | Daughter | — | Maryland |
| 35 | John Wm. Duvall | 33 | Head | House Painter | Maryland |
| 36 | Edith F. Duvall | 30 | Wife | — | Maryland |
| 37 | Mary Eliz. Duvall | 10 | Daughter | — | Maryland |
| 38 | James Wm. Duvall | 9 | Son | — | Maryland |
| 39 | James Edgar Duvall | 6 | Son | — | Maryland |
| 40 | Donald Earl Duvall | 4 | 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)