JH
John Harrison — 1940 US Census Record
Model Tree available1940 United States Federal Census · Charles-County, Maryland
Our Model Tree links this John Harrison across the 1920, 1930 and 1940 US Censuses in Charles-County, Maryland (XGBoost, ~Confirmed), with identified parents George & Rose — first a head (b.~1904), then head of a 6-person household.
Age 36
b. ~1904
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Charles-County, Maryland |
| Surname | Harrison |
| Given Name | John D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | 5th Election Dist. Harris Lot |
| 1935 Residence (County) | Charles |
| Additional Details | |
| Occupation | Laborer |
| Industry | Steel Works |
| Class of Worker | PW |
| Hours Worked | 38 |
| Income (1939) | 988 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | 5Th Election Dist Harris Lot |
| Est. Birth Year | ~1904 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Pearl Harrison | Daughter | — | 8 | ~1932 |
| Mable Harrison | Daughter | — | 2 | ~1938 |
| Barbara Harrison | Daughter | — | 4 | ~1936 |
| John Harrison | Head | — | 36 | ~1904 |
| Robert Harrison | Son | — | 6 | ~1934 |
| Louise Harrison | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Prince George, …
Son, age 12
Prince George, Maryland · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harrison |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Charles, Maryland
Son, age 23
Charles, Maryland · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harrison |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 21 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Cutting Timber |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Charles-County, Maryland
Head, age 36
Charles-County, Maryland · implied b. ~1904 — 6 household members
| Surname | Harrison |
| Given Name | John D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | 5th Election Dist. Harris Lot |
| 1935 Residence (County) | Charles |
| Occupation | Laborer |
| Industry | Steel Works |
| Class of Worker | PW |
| Hours Worked | 38 |
| Income (1939) | 988 |
| Highest Grade | No 7 |
| 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 John Harrison across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father George Harrison (~0.92 confidence) and mother Rose Harrison (~0.92 confidence) and father Logan Harrison (~0.92 confidence) and mother Anna Harrison (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Harrison
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Rose Harrison
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
Logan Harrison
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Anna Harrison
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Harrison
Head · 1940 · age 36 · b. ~1904 · 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 — Charles-County, Maryland
Open full size
1940 US Federal Census — Charles-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01546-00197)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John J. Burroughs | 72 | Head | — | Maryland |
| 2 | Charles W. Burroughs | 27 | Son | — | Maryland |
| 3 | Edith Tippitt | 25 | Head | Housekeeper | Maryland |
| 4 | Evelin Tippitt | 6 | Daughter | — | Maryland |
| 5 | Leana Robinson | 57 | Head | Housekeeper | Maryland |
| 6 | Saul Robinson | 21 | Son | Oysterman | Maryland |
| 7 | Wilmer B. Robinson | 21 | Son | Oysterman | Maryland |
| 8 | Mary Robinson | 28 | Daughter | Housekeeping | Maryland |
| 9 | George Sullivan | 66 | Head | Merchant | Maryland |
| 10 | Mary E. Sullivan | 60 | Wife | Merchant | Maryland |
| 11 | Lillian Oliver | 34 | Head | Housekeeping | Washington D.C. |
| 12 | John E. Oliver | 14 | Son | — | Washington D.C. |
| 13 | Alma E. Oliver | 12 | Daughter | — | Washington D.C. |
| 14 | Kenneth A. Oliver | 9 | Son | — | Washington D.C. |
| 15 | Joseph L. Oliver | 1 | Son | — | Washington D.C. |
| 16 | Charles B. Harrison | 47 | Head | Merchant | Maryland |
| 17 | Eugene Clark | 53 | Head | Farm Laborer | Maryland |
| 18 | William Redman | 30 | Head | Farmer | Maryland |
| 19 | Emma Redman | 32 | Wife | Housekeeping | North Carolina |
| 20 | Rosilee Redman | 15 | Daughter | Housework | Maryland |
| 21 | Bernice Redman | 11 | Daughter | — | Maryland |
| 22 | Lois Jean Redman | 3 | Daughter | — | Maryland |
| 23 | Esther Marie Redman | 1 | Daughter | — | Maryland |
| 24 | Richard Templeman | 38 | Lodger | Caretaker | Maryland |
| 25 | W. Avery Yates | 50 | Head | Fisherman | Maryland |
| 26 | Mary Susan Yates | 33 | Wife | Housekeeping | Maryland |
| 27 | W. Alan Jr. Yates | 3 | Son | — | Maryland |
| 28 | Elizabeth V. Yates | 1 | Daughter | — | Maryland |
| 29 | Stanley Wise Morris | 31 | Brother | Fisherman | Maryland |
| 30 | John D. Harrison THIS PERSON | 36 | Head | Laborer | Maryland |
| 31 | Louise V. Harrison | 28 | Wife | Housework | Washington D.C. |
| 32 | Pearl Elaine Harrison | 8 | Daughter | — | Washington D.C. |
| 33 | Robert Eugene Harrison | 6 | Son | — | Washington D.C. |
| 34 | Barbara Lee Harrison | 4 | Daughter | — | Maryland |
| 35 | Mable G. Harrison | 2 | Daughter | — | Maryland |
| 36 | Walter Jackson | 53 | Head | Retired | Maryland |
| 37 | Edward Harrison | 43 | Head | Farm Laborer | Virginia |
| 38 | Bess Harrison | 37 | Wife | Housewife | Virginia |
| 39 | Clayton Harrison | 20 | Son | Cook | Virginia |
| 40 | Taylor Harrison | 16 | Son | Farmer | Virginia |
Pedigree Summary
John
Gen 1 · 4 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)