MN
Mary Nichols — 1940 US Census Record
Model Tree available1940 United States Federal Census · Fulton-County, Georgia
Our Model Tree links this Mary Nichols across the 1920, 1930 and 1940 US Censuses in Fulton-County, Georgia (XGBoost, ~Confirmed), with identified parents William & William — first a daughter (b.~1907), then head of a 5-person household.
Age 33
b. ~1907
Female
Daughter
Born: New Hampshire
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fulton-County, Georgia |
| Surname | Nichols |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Atlanta |
| 1935 Residence (County) | Fulton |
| Additional Details | |
| Occupation | Treasurer |
| Industry | Foundry & machine shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1430 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Treasurer |
| Township / Ward | Atlanta |
| Est. Birth Year | ~1907 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Addie Bennett | Daughter | — | 36 | ~1904 |
| Mary Nichols | Daughter | — | 33 | ~1907 |
| Elizabeth Bennett | Daughter | — | 12 | ~1928 |
| William Nichols | Head | — | 78 | ~1862 |
| Margaret Nichols | Spouse | — | 69 | ~1871 |
Census Appearances
1920
Spalding, Georgia
Daughter, age 12
Spalding, Georgia · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Fulton, Georgia
Daughter, age 22
Fulton, Georgia · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Fulton-County, Georgia
Daughter, age 33
Fulton-County, Georgia · implied b. ~1907 — 5 household members
| Surname | Nichols |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Atlanta |
| 1935 Residence (County) | Fulton |
| Occupation | Treasurer |
| Industry | Foundry & machine shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1430 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Nichols across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father William Nichols (~0.92 confidence) and father William Nichols (~0.92 confidence) and mother Margaret Nichols (~0.92 confidence) and mother Margaret Nichols (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Nichols
b. ~1862
Source father
● Household
· direct · ~0.92
Father
William Nichols
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Margaret Nichols
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Margaret Nichols
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Nichols
Daughter · 1940 · age 33 · b. ~1907 · Georgia
★ You are viewing this record
Sibling
Addie Bennett
Sibling · 1940 · age 36
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Bennett
Sibling · 1940 · age 12
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 — Fulton-County, Georgia
Open full size
1940 US Federal Census — Fulton-County, Georgia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00734-00524)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William G Nichols | 78 | Head | President | Massachusetts |
| 2 | Margaret W Nichols | 69 | Wife | Vice President | Massachusetts |
| 3 | Addie N Bennett | 36 | Daughter | File Clerk | South Carolina |
| 4 | Elizabeth Bennett | 12 | Daughter | — | California |
| 5 | Mary Nichols THIS PERSON | 33 | Daughter | Treasurer | New Hampshire |
| 6 | Sidney L Sr Davis | 62 | Head | Yard Conductor | Alabama |
| 7 | Aruba B (X) Davis | 60 | Wife | — | Georgia |
| 8 | Mary L Davis | 33 | Daughter | Stenographer | Georgia |
| 9 | Annie Belle Davis | 25 | Daughter | — | Georgia |
| 10 | Nell Treadaway | 18 | Lodger | — | Georgia |
| 11 | Bartow A Westbrook | 52 | Head | Owner | Georgia |
| 12 | Addie B Westbrook | 50 | Wife | Part Owner | Oklahoma |
| 13 | Virgil (X) Dorsey | 32 | Head | Janitor | Georgia |
| 14 | Bertha Lee Dorsey | 22 | Wife | Maid | Georgia |
| 15 | Robert C Dorsey | 7 | Son | — | Georgia |
| 16 | Willie J. Sr Lawshé | 71 | Head | — | Georgia |
| 17 | Martha Lawshé | 48 | Daughter | — | Georgia |
| 18 | Bertha S (X) Hardin | 57 | Head | Manageress | Georgia |
| 19 | Doris Hardin | 20 | Daughter | — | Georgia |
| 20 | Janet C Hardin | 17 | Son | — | Georgia |
| 21 | Pauline C Hamby | 44 | Lodger | Saleswoman | Georgia |
| 22 | Louise Crowder | 25 | Lodger | Beautician | Georgia |
| 23 | Mae E Hammett | 38 | Lodger | Secretary | Georgia |
| 24 | Meta Chandler | 30 | Lodger | Checker | Mississippi |
| 25 | Ina Ridings | 27 | Lodger | Stenographer | North Carolina |
| 26 | Mae W Cromer | 26 | Lodger | — | Georgia |
| 27 | Grace H Almond | 37 | Lodger | Saleswoman | Georgia |
| 28 | Kay T Huggins | 20 | Lodger | Stenographer | South Carolina |
| 29 | Betty J Kirkland | 27 | Lodger | Inspector (Mail Order) | Georgia |
| 30 | Owen E Chaffin | 20 | Lodger | Checker | Georgia |
| 31 | Charles Mch Causey | 21 | Lodger | Stock Clerk | Georgia |
| 32 | Johnnie C Saul | 26 | Lodger | Operator | Georgia |
| 33 | Harry F Jr Lee | 40 | Head | District Manager | Kentucky |
| 34 | Agnes A Lee | 44 | Wife | — | District Columbia |
| 35 | Joanna Lee | 14 | Daughter | — | Indiana |
| 36 | Agnes K Lee | 8 | Daughter | — | Georgia |
| 37 | Mamie L Campbell | 34 | Maid | Servant | Georgia |
| 38 | William H Sr Hitchcock | 50 | Head | Teacher | Pennsylvania |
| 39 | William H Jr Hitchcock | 33 | Son | Solicitor | Pennsylvania |
| 40 | Eddie L Wallace | 42 | Servant | Servant | Georgia |
Pedigree Summary
Mary + 2 siblings
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)