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Lois Thompson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · None, Maryland
Our Model Tree links this Lois Thompson across the 1930 and 1940 US Censuses in Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 8-person household.
Age 9
b. ~1921
Female
Daughter
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | None, Maryland |
| Surname | Thompson |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore |
| 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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Lois | Age | Birth yr |
|---|---|---|---|---|
| Henry Thompson | Son | — | 18 | ~1912 |
| Mary Thompson | Daughter | — | 11 | ~1919 |
| Mildred Thompson | Daughter | — | 4 | ~1926 |
| Mary Thompson | Spouse | — | 40 | ~1890 |
| Stanley Thompson | Son | — | 20 | ~1910 |
| Dorothy Thompson | Daughter | — | 7 | ~1923 |
| Lois Thompson | Daughter | — | 9 | ~1921 |
| Henry Thompson | Head | — | 45 | ~1885 |
Census Appearances
1930
None, Maryland
Daughter, age 9
None, Maryland · implied b. ~1921 — 8 household members
| Surname | Thompson |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| 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
Baltimore-City-County, Maryland
Spouse, age 20
Baltimore-City-County, Maryland · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Louise |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore |
| 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 Lois Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lois Thompson
Daughter · 1930 · age 9 · b. ~1921 · Maryland
★ You are viewing this record
Sibling
Dorothy Thompson
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Thompson
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Thompson
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Thompson
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Thompson
Sibling · 1930 · age 18
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
1930 US Federal Census — None, Maryland
Open full size
1930 US Federal Census — None, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus863unit:0526)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Mckeown | 29 | Head | Salesman | Maryland |
| 2 | Anna Mckeown | 28 | Wife | Operator | Maryland |
| 3 | Charles Mckeown | 11 | Son | — | Maryland |
| 4 | Calvin Mckeown | 8 | Son | — | Maryland |
| 5 | Joseph Mckeown | 20 | Brother | — | Maryland |
| 6 | Henry C. Thompson | 45 | Head | — | Maryland |
| 7 | Mary E. Thompson | 40 | Wife | — | Maryland |
| 8 | Stanley Thompson | 20 | Son | Agent | Maryland |
| 9 | Henry C. Jr. Thompson | 18 | Son | Stock Clerk | Maryland |
| 10 | Mary Thompson | 11 | Daughter | — | Maryland |
| 11 | Lois Thompson THIS PERSON | 9 | Daughter | — | Maryland |
| 12 | Dorothy Thompson | 7 | Daughter | — | Maryland |
| 13 | Mildred Thompson | 4 | Daughter | — | Maryland |
| 14 | Henry C. Teufel | 56 | Head | Mill Hand | Maryland |
| 15 | Margaret E. Teufel | 53 | Wife | — | Maryland |
| 16 | George Sleman | 41 | Head | Laborer | Pennsylvania |
| 17 | Margaret Sleman | 38 | Wife | — | Pennsylvania |
| 18 | Leona Sleman | 18 | Daughter | Buckle Mfg. | Pennsylvania |
| 19 | Sarah Sleman | 16 | Daughter | — | Pennsylvania |
| 20 | Dorothy Sleman | 13 | Daughter | — | Pennsylvania |
| 21 | George Sleman | 12 | Son | — | Pennsylvania |
| 22 | Betty Sleman | 10 | Daughter | — | Pennsylvania |
| 23 | Charles Sleman | 2 | Son | — | Maryland |
| 24 | Hunter Robinson | 43 | Head | Painter | Maryland |
| 25 | Elizabeth Robinson | 36 | Wife | — | Maryland |
| 26 | Helen Robinson | 18 | Daughter | Packer | Maryland |
| 27 | James Robinson | 14 | Son | — | Maryland |
| 28 | Carroll Robinson | 12 | Son | — | Maryland |
| 29 | Joseph Robinson | 9 | Son | — | Maryland |
| 30 | Sophia Robinson | 7 | Daughter | — | Maryland |
| 31 | David Robinson | 5 | Son | — | Maryland |
| 32 | Cecelia Robinson | 3 | Daughter | — | Maryland |
| 33 | August Laher | 55 | Head | Painter | Germany |
| 34 | Ida Laher | 45 | Wife | — | Germany |
| 35 | Reinhold Laher | 19 | Son | Presser | Maryland |
| 36 | Hedwig Laher | 16 | Daughter | — | Maryland |
| 37 | Ferdinand Laher | 14 | Son | — | Maryland |
| 38 | Frank Laher | 12 | Son | — | Maryland |
| 39 | Mary Laher | 10 | Daughter | — | Maryland |
| 40 | August Jr. Laher | 7 | Son | — | Maryland |
| 41 | Frank Ritter | 45 | Head | Proprietor | Maryland |
| 42 | Annie L. Ritter | 43 | Wife | — | Germany |
| 43 | Edward Ritter | 18 | Son | Salesman | Maryland |
| 44 | Frank H. Cameron | 32 | Head | Switchman Helper | Virginia |
| 45 | Gertrude Cameron | 31 | Wife | — | Maryland |
| 46 | Sophia Freeman | 57 | Mother-in-law | — | Maryland |
| 47 | John J. Smith | 47 | Head | Fireman | Maryland |
| 48 | Carrie Smith | 45 | Wife | — | Virginia |
| 49 | Cecilious Smith | 15 | Son | — | Maryland |
| 50 | Olivia Smith | 25 | Step-daughter | Saleslady | Maryland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)