Harry was the eldest of six children born to Henry Stockton and Ida Mae Wainscott. He married a lady named Martha and they had two children:

Buddy
Joanna

Source: Family information researched and written by Frances Kay Replogle Parsons (1993). Privately Published.
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"United States Census, 1900," Harry Stockton in household of Henry Stockton, ED 110 Olive Township New Carlisle town, St. Joseph, Indiana, United States

name: Harry Stockton
titles & terms:
event: Census
event date: 1900
event place: ED 110 Olive Township New Carlisle town, St. Joseph, Indiana, United States
birth date: Feb 1894
birthplace: Indiana
relationship to head of household: Son
father's birthplace: New Jersey
mother's birthplace: Indiana
race or color (standardized): White
gender: Male
marital status: Single
years married:
estimated marriage year:
mother how many children:
number living children:
immigration year:
page: 4
sheet letter: B
family number: 112
reference number: 64
film number: 1240401
digital folder number: 004118654
image number: 00250

Household Gender Age Birthplace
head Henry Stockton M 33 New Jersey
wife Ida W Stockton F 33 Indiana
daughter Edna E Stockton F 9 Indiana
daughter Flosie E Stockton F 8 Indiana
son Harry Stockton M 6 Indiana

Source Citation
"United States Census, 1900," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/M9M1-524 : accessed 01 Aug 2012), Harry Stockton in household of Henry Stockton, ED 110 Olive Township New Carlisle town, St. Joseph, Indiana, United States; citing sheet 4B, family 112, NARA microfilm publication T623, FHL microfilm 1240401.
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"United States Census, 1910," Harry E Stockton in household of Henry J Stockton, New Carlisle Ward 1, St Joseph, Indiana

name: Harry E Stockton
birthplace: Indiana
relationship to head of household: Son
residence: New Carlisle Ward 1, St Joseph, Indiana
marital status: Single
race : White
gender: Male
immigration year:
father's birthplace: New Jersey
mother's birthplace: Indiana
family number: 122
page number: 6

Household Gender Age Birthplace
self Henry J Stockton M 43y New Jersey
wife Ida M Stockton F 43y Indiana
dau Edna M Stockton F 19y Indiana
dau Flossie E Stockton F 18y Indiana
son Harry E Stockton M 16y Indiana
son Elvis M Stockton M 5y Indiana
son Howard C Stockton M 2y Indiana

Source Citation
"United States Census, 1910," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MK5V-LT9 : accessed 01 Aug 2012), Harry E Stockton in household of Henry J Stockton, New Carlisle Ward 1, St Joseph, Indiana; citing sheet 6A, family 122, NARA microfilm publication T624, FHL microfilm 1374390.