HP
Harry Patterson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Harry Patterson across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Patterson |
| Given Name | Harry |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Class of Worker | 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 | ~1924 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Harry Patterson | Son | — | 16 | ~1924 |
| Jennie Patterson | Daughter | — | 2 | ~1938 |
| Maggie Patterson | Daughter | — | 5 | ~1935 |
| Levinia Patterson | Daughter | — | 8 | ~1932 |
| Joseph Patterson | Son | — | 3 | ~1937 |
| Levisia Patterson | Spouse | — | 40 | ~1900 |
| Clara Patterson | Daughter | — | 9 | ~1931 |
| Harry Patterson | Head | — | 42 | ~1898 |
| Edward Patterson | Son | — | 13 | ~1927 |
Census Appearances
1930
Baltimore, Maryland
Other, age 4
Baltimore, Maryland · implied b. ~1926 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Patterson |
| Given Name | Harry |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 16
Baltimore-City-County, Maryland · implied b. ~1924 — 9 household members
| Surname | Patterson |
| Given Name | Harry |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore City |
| Class of Worker | 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 Harry Patterson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Harry Patterson
Son · 1940 · age 16 · b. ~1924 · Maryland
★ You are viewing this record
Sibling
Clara Patterson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jennie Patterson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Levinia Patterson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Patterson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Patterson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maggie Patterson
Sibling · 1940 · age 5
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
40 people indexed on this census page (nara:1940:m-t0627-01510-00445)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dorothy Whiting | 27 | lodger | — | Maryland |
| 42 | Hazel B. Ambrose | 25 | Head | — | Maryland |
| 43 | Charles Jackson | 72 | Father | — | Maryland |
| 44 | Kenneth Ambrose | 18 | Son | — | Maryland |
| 45 | John Simpson | 36 | lodger | Chauffer | Maryland |
| 46 | Harry Patterson | 42 | Head | — | Maryland |
| 47 | Levisia Patterson | 40 | wife | — | Maryland |
| 48 | Harry Patterson THIS PERSON | 16 | son | — | Maryland |
| 49 | Clara Patterson | 9 | daughter | — | Maryland |
| 50 | Levinia Patterson | 8 | daughter | — | Maryland |
| 51 | Maggie Patterson | 5 | daughter | — | Maryland |
| 52 | Joseph Patterson | 3 | son | — | Maryland |
| 53 | Jennie Patterson | 2 | daughter | — | Maryland |
| 54 | Edward Patterson | 13 | son | — | Maryland |
| 55 | Josephine Folks | 51 | Head | — | Maryland |
| 56 | Earl Folks | 15 | son | — | Maryland |
| 57 | Anna Folks | 52 | Head | — | Maryland |
| 58 | Jennie Pack | 39 | Head | — | Maryland |
| 59 | Elizabeth Pack | 22 | daughter | Maid | Maryland |
| 60 | Roland Pack | 19 | son | Laborer | Maryland |
| 61 | Mildred Pack | 17 | daughter | New Worker | Maryland |
| 62 | Thomas Banks | 33 | Head | Laborer | Virginia |
| 63 | Jeanette Meed | 33 | lodger | Laundress | Virginia |
| 64 | Dorothy Meed | 7 | lodger | — | Maryland |
| 65 | Beatrice Meed | 12 | lodger | — | Maryland |
| 66 | Alice Meed | 10 | lodger | — | Maryland |
| 67 | Louise Meed | 15 | lodger | — | Maryland |
| 68 | William Meed | 13 | lodger | — | Maryland |
| 69 | Samuel B. Brown | 55 | Head | Laborer | Maryland |
| 70 | Ella Morable | 45 | Head | Laundress | North Carolina |
| 71 | James Morable | 15 | son | Porter | Maryland |
| 72 | Robert Morable | 22 | son | Laborer | North Carolina |
| 73 | Robert Sommerville | 30 | Head | Laborer | Maryland |
| 74 | Lula M. Sommerville | 28 | Wife | Laborer | North Carolina |
| 75 | Sallie M. Allen | 13 | Stepdaughter | — | North Carolina |
| 76 | Joseph Hardy | 39 | Head | — | North Carolina |
| 77 | Mary Hardy | 37 | wife | Maid | North Carolina |
| 78 | Joseph Gundy | 35 | Head | Carpenter | Maryland |
| 79 | Thomas Gundy | 52 | brother | Laborer | Maryland |
| 80 | Lewis Little | 50 | lodger | Laborer | 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)