MS
Mary Spencer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Grant-County, Indiana
Our Model Tree links this Mary Spencer across the 1930 and 1940 US Censuses in Grant-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 11-person household.
Age 18
b. ~1922
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Grant-County, Indiana |
| Surname | Spencer |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Marion |
| 1935 Residence (County) | Grant |
| Additional Details | |
| Occupation | New worker |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | New Worker |
| Township / Ward | Marion |
| Est. Birth Year | ~1922 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Margaret Spencer | Daughter | — | 27 | ~1913 |
| Anna Spencer | Daughter | — | 21 | ~1919 |
| Lucille Spencer | Daughter | — | 14 | ~1926 |
| Mary Spencer | Daughter | — | 18 | ~1922 |
| Jasper Spencer | Head | — | 63 | ~1877 |
| Robert Spencer | Other | — | 3 | ~1937 |
| Mildred Spencer | Other | — | 22 | ~1918 |
| Willis Spencer | Son | — | 26 | ~1914 |
| Lawrence Spencer | Son | — | 23 | ~1917 |
| Dale Spencer | Son | — | 19 | ~1921 |
| Myrtle Spencer | Spouse | — | 58 | ~1882 |
Census Appearances
1930
Grant, Indiana
Daughter, age 8
Grant, Indiana · implied b. ~1922 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Spencer |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Grant-County, Indiana
Daughter, age 18
Grant-County, Indiana · implied b. ~1922 — 11 household members
| Surname | Spencer |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Marion |
| 1935 Residence (County) | Grant |
| Occupation | New worker |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Spencer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Spencer
Daughter · 1940 · age 18 · b. ~1922 · Indiana
★ You are viewing this record
Sibling
Lawrence Spencer
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Spencer
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dale Spencer
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Spencer
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willis Spencer
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Spencer
Sibling · 1940 · age 27
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 — Grant-County, Indiana
Open full size
1940 US Federal Census — Grant-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01047-00151)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lukas|Lukas J. Dillon | 29 | Head | — | Indiana |
| 42 | Shirley Belle Dillon | 4 | Wife | — | Indiana |
| 43 | Charles Skinner | 24 | Head | Owner Grocer | Indiana |
| 44 | Ida Jean Skinner | 23 | Wife | — | Kentucky |
| 45 | Charles Jr. Skinner | 3 | Son | — | Wisconsin |
| 46 | Jackie R. Skinner | 1 | Son | — | Indiana |
| 47 | Jasper M. Spencer | 63 | Head | Millwright | Indiana |
| 48 | Myrtle Spencer | 58 | Wife | — | Indiana |
| 49 | Margaret Spencer | 27 | Daughter | Housework | Indiana |
| 50 | Willis Spencer | 26 | Son | Carrier In Glass House | Indiana |
| 51 | Anna Spencer | 21 | Daughter | Clothes Dryer | Indiana |
| 52 | Dale Spencer | 19 | Son | Carrier In Glass House | Indiana |
| 53 | Mary Spencer THIS PERSON | 18 | Daughter | New Worker | Indiana |
| 54 | Lucille Spencer | 14 | Daughter | — | Indiana |
| 55 | Lawrence Spencer | 23 | Son | New Worker | Indiana |
| 56 | Mildred Spencer | 22 | Daughter-in-law | — | Indiana |
| 57 | Robert Lee Spencer | 3 | Grand-son | — | Indiana |
| 58 | John P. Agness | 63 | Head | — | Indiana |
| 59 | Ethel M. Agness | 61 | Wife | — | Indiana |
| 60 | John F. Agness | 27 | Son | Truck Puller | Indiana |
| 61 | Everett Keesling | 35 | Head | Station Attendant | Indiana |
| 62 | Reba Keesling | 30 | Wife | Inspect | Indiana |
| 63 | Robert Keesling | 7 | Son | — | Indiana |
| 64 | Elmer J. Ogden | 68 | Head | — | Ohio |
| 65 | Mary A. Ogden | 60 | Wife | — | Indiana |
| 66 | Metta C. Burns | 52 | Head | House Work | Indiana |
| 67 | Mary E. Carey | 24 | Daughter | House Work | Indiana |
| 68 | Beulah M. Carey | 20 | Daughter | House Work | Indiana |
| 69 | Robert E. Carey | 16 | Son | — | Indiana |
| 70 | Chester Carey | 27 | Head | Inspector | Indiana |
| 71 | Esther E. Carey | 22 | Wife | — | Indiana |
| 72 | Martha E. Carey | 0 | Daughter | — | Indiana |
| 73 | Wilson H. Showalter | 25 | Head | Machinist | Indiana |
| 74 | Dorothy Showalter | 26 | Wife | — | Ohio |
| 75 | Carolyn Sue Showalter | 1 | Daughter | — | Indiana |
| 76 | Hugh C. Rodman | 44 | Head | Master Mechanic | Indiana |
| 77 | Marie Rodman | 41 | Wife | — | Ohio |
| 78 | Betty Jane Rodman | 18 | Daughter | — | Indiana |
| 79 | Von Clow | 36 | Head | Gathers | Indiana |
| 80 | Ruby Clow | 31 | Wife | — | Indiana |
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)