FL
Frank Lynch — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Frank Lynch across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents William & Della — first a son (b.~1891), then head of a 3-person household.
Age 49
b. ~1891
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Lynch |
| Given Name | Frank W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Grinder |
| Industry | Atkins Saw Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 440 |
| Highest Grade | H 2 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Grinder |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1891 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| William Lynch | Head | — | 76 | ~1864 |
| Della Lynch | Spouse | — | 74 | ~1866 |
| Frank Lynch | Son | — | 49 | ~1891 |
Census Appearances
1920
Marion, Indiana
Son, age 29
Marion, Indiana · implied b. ~1891 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Laborer |
| Industry | Big 4 Sh. RR |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 39
Marion, Indiana · implied b. ~1891 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Frank W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Widowed |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Grinder |
| Industry | Saw Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Son, age 49
Marion-County, Indiana · implied b. ~1891 — 3 household members
| Surname | Lynch |
| Given Name | Frank W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Grinder |
| Industry | Atkins Saw Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 440 |
| 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 Frank Lynch across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Lynch (~0.92 confidence) and mother Della Lynch (~0.92 confidence) and mother Della Lynch (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Lynch
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Della Lynch
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Della Lynch
b. ~1866
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Lynch
Son · 1940 · age 49 · b. ~1891 · 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-t0627-01124-00658)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Esther Hammerschlag | 49 | Wife | — | Indiana |
| 42 | Elizabeth Herder | 74 | Head | — | Indiana |
| 43 | Loretta Adams | 42 | Niece | — | Indiana |
| 44 | Fred W. Meith | 64 | Nephew | Salesman | Indiana |
| 45 | Claude Pittenberger | 37 | Head | Investigator | Indiana |
| 46 | Carol Pittenberger | 32 | Wife | — | Indiana |
| 47 | Joan Pittenberger | 9 | Daughter | — | Indiana |
| 48 | Ann Pittenberger | 6 | Daughter | — | Indiana |
| 49 | Nancy Pittenberger | 5 | Daughter | — | Indiana |
| 50 | Robert S. Hackett | 24 | Head | Laborer | Indiana |
| 51 | Mary J. Hackett | 22 | Wife | — | Indiana |
| 52 | Barton J. Wall | 42 | Head | Advertiser | Indiana |
| 53 | Mathilda Wall | 44 | Wife | — | Indiana |
| 54 | Barton J. Jr. Wall | 11 | Son | — | Indiana |
| 55 | Kenneth Payne | 35 | Head | Photo Engraver | Michigan |
| 56 | Minnie Payne | 36 | Wife | — | North Dakota |
| 57 | Bobbie Payne | 8 | Son | — | Illinois |
| 58 | Anthony J. Starck | 51 | Head | Machinist | Indiana |
| 59 | Rose S. Starck | 51 | Wife | — | Indiana |
| 60 | Jennie Rosengarten | 59 | Sister in law | — | Indiana |
| 61 | William H. Lynch | 76 | Head | Machinist | Indiana |
| 62 | Della Mae Lynch | 74 | Wife | — | Indiana |
| 63 | Frank W. Lynch THIS PERSON | 49 | Son | Grinder | Indiana |
| 64 | Charles Black | 43 | Head | Meat Cutter | Illinois |
| 65 | Leona Black | 37 | Wife | — | Illinois |
| 66 | Mary Elizabeth Black | 16 | Daughter | — | Illinois |
| 67 | Jeanne Black | 13 | Daughter | — | Illinois |
| 68 | Virginia Black | 11 | Daughter | — | Illinois |
| 69 | Janet Black | 8 | Daughter | — | Indiana |
| 70 | Leo J. Rail | 50 | Head | Scientific Assistant | Indiana |
| 71 | Margaret Rail | 50 | Wife | — | Indiana |
| 72 | Dorothy G. Rail | 27 | Daughter | Teacher | Indiana |
| 73 | Lon Macy | 66 | Head | Manager | Indiana |
| 74 | Lillian Macy | 56 | Wife | — | Indiana |
| 75 | Ruth Ida Brown | 52 | Lodger | Private Secretary | Indiana |
| 76 | Mary L. Edwards | 73 | Head | — | Indiana |
| 77 | Viola V. Spencer | 78 | Lodger | — | Indiana |
| 78 | Lillian Scott | 57 | Lodger | Practical Nurse | Wisconsin |
| 79 | William Eagleton | 67 | Head | Watchman | Ireland |
| 80 | Nellie Eagleton | 59 | Wife | — | Indiana |
Pedigree Summary
Frank
Gen 1 · 3 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)