MK
Mary Kline — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Mary Kline across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1863), then head of a 3-person household.
Age 77
b. ~1863
Female
Head
Born: Illinois
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Kline |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 77 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 7 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1863 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Kline | Head | — | 77 | ~1863 |
| Mildred Kline | Daughter | — | 51 | ~1889 |
| James Kline | Son | — | 42 | ~1898 |
Census Appearances
1920
Marion, Indiana
Spouse, age 56
Marion, Indiana · implied b. ~1864 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kline |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Marion, Indiana
Other, age 66
Marion, Indiana · implied b. ~1864 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kline |
| Given Name | Mary E. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 21 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Marion-County, Indiana
Head, age 77
Marion-County, Indiana · implied b. ~1863 — 3 household members
| Surname | Kline |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 77 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Income (1939) | 0 |
| Highest Grade | 7 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Kline across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Kline
Head · 1940 · age 77 · b. ~1863 · Indiana
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01122-00978)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Madeline Anderson | 33 | Wife | — | England |
| 2 | Eric Anderson | 9 | Son | — | Kentucky |
| 3 | Eda Anderson | 7 | Daughter | — | Kentucky |
| 4 | Ralph Sindlinger | 33 | Head | Warehouse Foreman | Indiana |
| 5 | Ruth Sindlinger | 30 | Wife | — | Indiana |
| 6 | Marilyn Sue Sindlinger | 6 | Daughter | — | Indiana |
| 7 | Pearl Sindlinger | 40 | Head | Stitcher | Indiana |
| 8 | Audrey Hoffa | 35 | Lodger | Painter | Indiana |
| 9 | {Cancelled | None | — | — | — |
| 10 | — | None | — | — | — |
| 11 | Pearl B. Drake | 55 | Head | — | Indiana |
| 12 | John O. Kepley | 38 | Head | Proprietor | Indiana |
| 13 | Elizabeth Kepley | 35 | Wife | Bill Clerk | Ohio |
| 14 | Judith Kepley | 9 | Daughter | — | Indiana |
| 15 | Lee Brugh | 48 | Head | Conductor (Freight) | Indiana |
| 16 | Ruth Brugh | 43 | Wife | — | Indiana |
| 17 | Ruthlee Brugh | 18 | Daughter | — | Indiana |
| 18 | Jean Ellen Brugh | 16 | Daughter | — | Indiana |
| 19 | Edward F. Arvin | 59 | Head | Wood Working Machine | Kentucky |
| 20 | Ellen Mary Arvin | 56 | Wife | — | Indiana |
| 21 | Robert E. Arvin | 29 | Son | Stitcher | Indiana |
| 22 | Mary Ellen Arvin | 26 | Daughter-in-law | Saleslady | Indiana |
| 23 | Thomas Mcgrayel | 82 | Father-in-law | — | Indiana |
| 24 | Mary Kline THIS PERSON | 77 | Head | — | Illinois |
| 25 | Mildred Kline | 51 | Daughter | Stenographer | Indiana |
| 26 | James Kline | 42 | Son | Waiter | Indiana |
| 27 | Joseph F. Kurker | 35 | Head | Proprietor | Minnesota |
| 28 | Rosemary A. Kurker | 33 | Wife | — | Indiana |
| 29 | Joseph Kurker | 4 | Son | — | Indiana |
| 30 | John W. Kurker | 2 | Son | — | Indiana |
| 31 | Kenneth Gerke | 36 | Head | Installation Work | Indiana |
| 32 | Martha Gerke | 33 | Wife | Bookkeeper | Indiana |
| 33 | Carolyn Gerke | 3 | Daughter | — | Indiana |
| 34 | Frederick Hope | 55 | Head | Carpenter | Germany |
| 35 | Clara Hope | 59 | Wife | — | Iowa |
| 36 | Caroline G. Nordyke | 68 | Head | — | Wisconsin |
| 37 | Frank W. Strohm | 51 | Son-in-law | Dept. Mgr. | Iowa |
| 38 | Margaret N. Strohm | 44 | Daughter | — | Indiana |
| 39 | Jane A. Strohm | 16 | Grand-daughter | — | Indiana |
| 40 | Franklin A. Strohm | 13 | Grand-son | — | 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)