LS
Lillian Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Lillian Smith across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents George & Lottie — first a daughter (b.~1913), then head of a 8-person household.
Age 27
b. ~1913
Female
Daughter
Born: Norway
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Smith |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Norway |
| 1935 Residence (City) | Woburn City |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 35 |
| Income (1939) | 1349 |
| Highest Grade | C 4 |
| 1935 Residence | Same Place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Occupation | Teacher |
| Township / Ward | Woburn City |
| Est. Birth Year | ~1913 |
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 1940 census.
| Name | Relation to head | Relative to Lillian | Age | Birth yr |
|---|---|---|---|---|
| Lillian Smith | Daughter | — | 27 | ~1913 |
| Martha Smith | Daughter | — | 4 | ~1936 |
| Nancy Smith | Daughter | — | 7 | ~1933 |
| Edna Smith | Daughter | — | 20 | ~1920 |
| George Smith | Head | — | 53 | ~1887 |
| Conrad Smith | Son | — | 9 | ~1931 |
| Kenneth Smith | Son | — | 2 | ~1938 |
| Lottie Smith | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 7
Middlesex, Massachusetts · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lillian H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Norway |
| Year of Immigration | 1906 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Year of Naturalization | 1918 |
| Birthplace (normalized) | norway |
1930
Middlesex, Massachusetts
Daughter, age 17
Middlesex, Massachusetts · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lillian M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1914 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
Middlesex-County, Massachusetts
Daughter, age 27
Middlesex-County, Massachusetts · implied b. ~1913 — 8 household members
| Surname | Smith |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Norway |
| 1935 Residence (City) | Woburn City |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 35 |
| Income (1939) | 1349 |
| Highest Grade | C 4 |
| 1935 Residence | Same Place |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
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 Lillian Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Smith (~0.92 confidence) and mother Lottie Smith (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Smith
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Lottie Smith
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lillian Smith
Daughter · 1940 · age 27 · b. ~1913 · Massachusetts
★ You are viewing this record
Sibling
Edna Smith
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martha Smith
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nancy Smith
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Smith
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Conrad Smith
Sibling · 1940 · age 9
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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01622-00693)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Estella C. Fagg | 62 | Wife | — | New York |
| 2 | George E. Smith | 53 | Head | Painter | Norway |
| 3 | Lottie M. Smith | 48 | Wife | — | Norway |
| 4 | Lillian Smith THIS PERSON | 27 | Daughter | Teacher | Norway |
| 5 | Edna C. Smith | 20 | Daughter | Domestic | Massachusetts |
| 6 | Conrad F. Smith | 9 | Son | — | Massachusetts |
| 7 | Nancy L. Smith | 7 | Daughter | — | Massachusetts |
| 8 | Martha Smith | 4 | Daughter | — | Massachusetts |
| 9 | Kenneth H. Smith | 2 | Son | — | Massachusetts |
| 10 | Victor Luhas | 52 | Head | Salesman | Massachusetts |
| 11 | Katherine Luhas | 53 | Wife | — | Massachusetts |
| 12 | Carl Kirk | 63 | Head | Carpenter | Denmark |
| 13 | Marthene A. Kirk | 59 | Wife | — | Denmark |
| 14 | Martin Melton | 44 | Head | Inspector | Sweden |
| 15 | Eugenie F. Melton | 45 | Wife | Secretary | Massachusetts |
| 16 | Carlie Melton | 26 | Daughter | — | Massachusetts |
| 17 | Eugenie J. Melton | 15 | Daughter | — | Massachusetts |
| 18 | Lorraine Melton | 10 | Daughter | — | Massachusetts |
| 19 | Edward Barron | 53 | Lodger | Clerk | Canada French |
| 20 | Iniz M. Fraser | 60 | Head | Fancy Stitcher | Finland |
| 21 | Enilo Fraser | 25 | Daughter | — | Massachusetts |
| 22 | Edward Comer | 52 | Head | Salesman | Massachusetts |
| 23 | Edith A. Comer | 50 | Wife | — | Connecticut |
| 24 | E. Mildred Comer | 21 | Daughter | — | Massachusetts |
| 25 | Edward J. Jr. Comer | 20 | Son | Clerk | Massachusetts |
| 26 | George A. Mckeon | 71 | Head | Trainman | Vermont |
| 27 | May T. Mckeon | 68 | Wife | — | Massachusetts |
| 28 | Oral Bean | 59 | Head | Principal | Maine |
| 29 | Esther Bean | 53 | Wife | — | Massachusetts |
| 30 | Roger J. Thomas | 35 | Head | Meatcutter | Massachusetts |
| 31 | Beatrice E. Thomas | 30 | Wife | — | Massachusetts |
| 32 | Carol Ann Thomas | 12 | Daughter | — | Massachusetts |
| 33 | Frank H. Bean | 54 | Head | Manufacturer | Massachusetts |
| 34 | Lillian E. Bean | 50 | Wife | — | Massachusetts |
| 35 | Robert H. Bean | 21 | Son | — | Massachusetts |
| 36 | Arthur H. Bean | 14 | Son | — | Massachusetts |
| 37 | May E. Rehston | 48 | Head | — | Massachusetts |
| 38 | John Rehston | 15 | Son | — | Massachusetts |
| 39 | John F. Mcgovern | 50 | Head | Teacher | Massachusetts |
| 40 | Mary L. Mcgovern | 47 | Wife | — | Massachusetts |
Related Census Records
Pedigree Summary
Lillian + 5 siblings
Gen 1 · 2 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)