HB
Harvey Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Maryland
Our Model Tree links this Harvey Brown across the 1930 and 1940 US Censuses in Washington-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 6-person household.
Age 15
b. ~1925
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Maryland |
| Surname | Brown |
| Given Name | Harvey J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Williamsport |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Williamsport |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harvey | Age | Birth yr |
|---|---|---|---|---|
| Harry Brown | Son | — | 21 | ~1919 |
| Effie Brown | Spouse | — | 49 | ~1891 |
| Harvey Brown | Son | — | 15 | ~1925 |
| Charles Brown | Head | — | 49 | ~1891 |
| Mark Brown | Son | — | 13 | ~1927 |
| Frank Brown | Son | — | 23 | ~1917 |
Census Appearances
1930
Washington, Maryland
Son, age 5
Washington, Maryland · implied b. ~1925 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Harvey J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Washington-County, Maryland
Son, age 15
Washington-County, Maryland · implied b. ~1925 — 6 household members
| Surname | Brown |
| Given Name | Harvey J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Williamsport |
| Hours Worked | 0 |
| 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 Harvey Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Harvey Brown
Son · 1940 · age 15 · b. ~1925 · Maryland
★ You are viewing this record
Sibling
Frank Brown
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Brown
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mark Brown
Sibling · 1940 · age 13
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 — Washington-County, Maryland
Open full size
1940 US Federal Census — Washington-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01561-00087)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jane M Miller | 5 | Daughter | — | Maryland |
| 2 | M Ann Miller | 3 | Daughter | — | Maryland |
| 3 | Charles H Hauk | 34 | Head | Cashier | Maryland |
| 4 | Edith Hauk | 31 | Wife | — | Maryland |
| 5 | Charles B Hauk | 8 | Son | — | Maryland |
| 6 | Mary Nell Hauk | 3 | Daughter | — | Maryland |
| 7 | Clifton Robinson | 37 | Head | Laborer | Maryland |
| 8 | Ann M Robinson | 37 | Wife | — | Maryland |
| 9 | Ann C Robinson | 1 | Daughter | — | Maryland |
| 10 | Ella F Gallagher | 67 | Head | — | Maryland |
| 11 | George W Wolfe | 46 | Head | Owner | Maryland |
| 12 | Violet P Wolfe | 45 | Wife | — | Maryland |
| 13 | W William Hetzer | 30 | Head | Engineer | Maryland |
| 14 | Thelma L Hetzer | 29 | Wife | — | Maryland |
| 15 | W William Jr Hetzer | 5 | Son | — | Maryland |
| 16 | George F Offenbarger | 43 | Head | Laborer | Maryland |
| 17 | Bessie M Offenbarger | 47 | Wife | Laborer | Maryland |
| 18 | Isaiah Mason | 38 | Head | Laborer | W. Virginia |
| 19 | Nina M Mason | 33 | Wife | — | Maryland |
| 20 | Mark W Mason | 16 | Son | — | Maryland |
| 21 | Dana H Mason | 14 | Son | — | Maryland |
| 22 | Rebecca A Mason | 13 | Daughter | — | Maryland |
| 23 | Marie G Mason | 11 | Daughter | — | Maryland |
| 24 | Gladys J Mason | 7 | Daughter | — | Maryland |
| 25 | Roger G Mason | 1 | Son | — | Maryland |
| 26 | Herbert G Miller | 38 | Head | Laborer | Maryland |
| 27 | Clara V Miller | 27 | Wife | — | Maryland |
| 28 | Irene V Miller | 11 | Daughter | — | Maryland |
| 29 | William C Huddle | 43 | Head | Luthman Minister | N. Carolina |
| 30 | Gladys K Huddle | 42 | Wife | — | Ohio |
| 31 | Gertrude G Huddle | 16 | Daughter | — | Tennessee |
| 32 | Georgia F Huddle | 13 | Daughter | — | Virginia |
| 33 | William D Huddle | 10 | Son | — | Virginia |
| 34 | Robert C Huddle | 5 | Son | — | Maryland |
| 35 | Charles Brown | 49 | Head | Laborer | Maryland |
| 36 | Effie P Brown | 49 | Wife | — | Maryland |
| 37 | Frank W Brown | 23 | Son | Book-Keeper | Maryland |
| 38 | Harry E Brown | 21 | Son | Laborer | Maryland |
| 39 | Harvey J Brown THIS PERSON | 15 | Son | — | Maryland |
| 40 | Mark Y Brown | 13 | Son | — | Maryland |
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)