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Mary Lane — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Lane across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 12-person household.
Age 16
b. ~1924
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Lane |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| 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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Theresa Lane | Daughter | — | 5 | ~1935 |
| Patricia Lane | Daughter | — | 3 | ~1937 |
| Helen Lane | Daughter | — | 6 | ~1934 |
| Mary Lane | Daughter | — | 16 | ~1924 |
| Thomas Lane | Head | — | 50 | ~1890 |
| William Lane | Son | — | 2 | ~1938 |
| Matthew Lane | Son | — | 7 | ~1933 |
| Andrew Lane | Son | — | 11 | ~1929 |
| James Lane | Son | — | 15 | ~1925 |
| Thomas Lane | Son | — | 14 | ~1926 |
| John Lane | Son | — | 9 | ~1931 |
| Nora Lane | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 6
Suffolk, Massachusetts · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lane |
| Given Name | Mary H |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 16
Suffolk-County, Massachusetts · implied b. ~1924 — 12 household members
| Surname | Lane |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Mary Lane across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lane
Daughter · 1940 · age 16 · b. ~1924 · Massachusetts
★ You are viewing this record
Sibling
James Lane
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Lane
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Lane
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Lane
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Lane
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Lane
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Lane
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Matthew Lane
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Lane
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01680-00654)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Mann | 42 | Daughter | Clerk-Rates | Massachusetts |
| 2 | Thomas Lane | 50 | Head | Bus-Driver | Irish Free State |
| 3 | Nora Lane | 41 | Wife | — | Irish Free State |
| 4 | Mary Lane THIS PERSON | 16 | Daughter | — | Massachusetts |
| 5 | James Lane | 15 | Son | — | Massachusetts |
| 6 | Thomas Jr Lane | 14 | Son | — | Massachusetts |
| 7 | Andrew Lane | 11 | Son | — | Massachusetts |
| 8 | John G Lane | 9 | Son | — | Massachusetts |
| 9 | Matthew Lane | 7 | Son | — | Massachusetts |
| 10 | Helen Lane | 6 | Daughter | — | Massachusetts |
| 11 | Theresa Lane | 5 | Daughter | — | Massachusetts |
| 12 | Patricia Lane | 3 | Daughter | — | Massachusetts |
| 13 | William Lane | 2 | Son | — | Massachusetts |
| 14 | Albert Collins | 39 | Head | Trimmer | Massachusetts |
| 15 | Sarah Collins | 39 | Wife | — | Massachusetts |
| 16 | Christine Collins | 18 | Daughter | — | Massachusetts |
| 17 | Theodore Sanders | 68 | Head | Kennel Master | Sweden |
| 18 | Mathilda Sanders | 63 | Wife | — | Finland |
| 19 | Edith Sanders | 30 | Daughter | Book-Keeper | Massachusetts |
| 20 | Mildred Sanders | 23 | Daughter | Stenographer | Massachusetts |
| 21 | Marjorie Sanders | 4 | Grand Daughter | — | Massachusetts |
| 22 | Peter Georgaklis | 38 | Head | Salesman | Greece |
| 23 | Alice Georgaklis | 26 | Wife | — | Massachusetts |
| 24 | Elaine Georgaklis | 4 | Daughter | — | Massachusetts |
| 25 | William Green | 37 | Head | Clerk | Massachusetts |
| 26 | Irene V. Green | 36 | Wife | — | Massachusetts |
| 27 | Alfred Carleson | 23 | Head | Carpenter | Finland |
| 28 | Sarah Carleson | 24 | Wife | — | Finland |
| 29 | Thomas Carleson | 45 | Son | Clerk-Sales | Massachusetts |
| 30 | Waldmar Peterson | 52 | Head | Mechanic | Sweden |
| 31 | Minnie C Peterson | 63 | Wife | — | Canada English |
| 32 | George Hubbard | 50 | Head | Railway Repairman | Maine |
| 33 | Ida Hubbard | 42 | Wife | Stenographer | Massachusetts |
| 34 | Alimna Allen | 73 | Head | — | Canada English |
| 35 | Carrie Parkington | 51 | Daughter | — | Massachusetts |
| 36 | John O'Connell | 41 | Head | Manager | Massachusetts |
| 37 | Lillian O'Connell | 29 | Wife | — | Massachusetts |
| 38 | Patrick Lynch | 78 | Head | — | Irish Free State |
| 39 | Arthur Lynch | 37 | Husband | Salesman | Massachusetts |
| 40 | Katherine Lynch | 40 | Wife | — | Irish Free State |
Related Census Records
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)