RH
Richard Harris — 1940 US Census Record
Model Tree available1940 United States Federal Census · Frederick-County, Maryland
Our Model Tree links this Richard Harris across the 1920, 1930 and 1940 US Censuses in Frederick-County, Maryland (XGBoost, ~Confirmed), with identified parents Augustus & Mary — first a son (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Frederick-County, Maryland |
| Surname | Harris |
| Given Name | Richard E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Urbana District (Election District 7) |
| 1935 Residence (County) | Frederick |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 80 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Farmer |
| Township / Ward | Urbana District Election District 7 |
| Est. Birth Year | ~1917 |
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 Richard | Age | Birth yr |
|---|---|---|---|---|
| Augustus Harris | Head | — | 66 | ~1874 |
| Richard Harris | Son | — | 23 | ~1917 |
| Mary Harris | Spouse | — | 63 | ~1877 |
Census Appearances
1920
Frederick, Maryland
Son, age 3
Frederick, Maryland · implied b. ~1917 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Richard E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Mulatto |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Frederick, Maryland
Son, age 12
Frederick, Maryland · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Richard E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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
Frederick-County, Maryland
Son, age 23
Frederick-County, Maryland · implied b. ~1917 — 3 household members
| Surname | Harris |
| Given Name | Richard E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Urbana District (Election District 7) |
| 1935 Residence (County) | Frederick |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 80 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 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 Richard Harris across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Augustus Harris (~0.92 confidence) and mother Mary Harris (~0.92 confidence) and mother Mary Harris (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Augustus Harris
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Mary Harris
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Mary Harris
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Richard Harris
Son · 1940 · age 23 · b. ~1917 · 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 — Frederick-County, Maryland
Open full size
1940 US Federal Census — Frederick-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01548-00808)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ruth M Wolfe | 22 | Daughter | Housework | Maryland |
| 42 | Harry S Wolfe | 20 | Son | Contractor | Maryland |
| 43 | Philip S Wolfe | 18 | Son | — | Maryland |
| 44 | Betty J Wolfe | 16 | Daughter | — | Maryland |
| 45 | David E Knode | 54 | Head | Farmer | Maryland |
| 46 | Marcella G Knode | 48 | Wife | — | Maryland |
| 47 | Willie M Sears | 38 | Head | Farmer | Maryland |
| 48 | Fulton D Sears | 28 | Brother | Farmer | Maryland |
| 49 | Dorothy P Sears | 22 | Sister-in-law | — | Maryland |
| 50 | Earl G Sears | 2 | Nephew | — | Maryland |
| 51 | Carl C Harris | 38 | Head | Farmer | Maryland |
| 52 | Louise A Harris | 21 | Wife | — | Maryland |
| 53 | Daniel W Harris | 3 | Son | — | Maryland |
| 54 | Isabella L Harris | 2 | Daughter | — | Maryland |
| 55 | Augustus C Harris | 1 | Son | — | Maryland |
| 56 | Harold J Harris | 32 | Head | Farmer | Maryland |
| 57 | Irma V Harris | 24 | Wife | — | Maryland |
| 58 | Doris F Harris | 2 | Daughter | — | Maryland |
| 59 | Mary V Harris | 1 | Daughter | — | Maryland |
| 60 | Augustus D Harris | 66 | Head | Farmer | Maryland |
| 61 | Mary Harris | 63 | Wife | — | Maryland |
| 62 | Richard E Harris THIS PERSON | 23 | Son | Farmer | Maryland |
| 63 | Charles H Ambush | 50 | Head | Farmer | Maryland |
| 64 | Emma V Ambush | 48 | Wife | — | Maryland |
| 65 | C Howard Ambush | 23 | Son | Orderly | Maryland |
| 66 | Dorothy V Ambush | 14 | Daughter | — | Maryland |
| 67 | William A Ambush | 13 | Son | — | Maryland |
| 68 | Richard P Ambush | 12 | Son | — | Maryland |
| 69 | Edward N Ambush | 16 | Son | Laborer | Maryland |
| 70 | Emma H Ambush | 20 | Daughter | Cook | Maryland |
| 71 | Florence E Ambush | 17 | Daughter | Cook | Maryland |
| 72 | Frederick W Ambush | 15 | Son | — | Maryland |
| 73 | Ora A Waddle | 63 | Head | Farmer | Virginia |
| 74 | Mada L Waddle | 52 | Wife | — | Virginia |
| 75 | George R Waddle | 18 | Son | Clerk | Maryland |
| 76 | John D Waddle | 16 | Son | Laborer | Maryland |
| 77 | Robert M Sr Woods | 28 | Son-in-law | Laborer | Tenn |
| 78 | Mary Woods | 26 | Daughter | — | Virginia |
| 79 | Robert M Jr Woods | 7 | Grandson | — | Virginia |
| 80 | Flora B Woods | 5 | Granddaughter | — | Maryland |
Related Census Records
Pedigree Summary
Richard
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)