Hello Wayne, here are a few websites that may hold more information for you,

www.rootsweb.ancestry.com/~nyputnam/history/surnames/dat16.htm#4

www.rootsweb.ancestry.com/~nyputnam/history/index.htm

www.archives.com/GA.aspx?_act=AncestorResults&firstName=Gabriel&lastName=Christian&location=NY&recordType=1

, Laura
Birth : ABT 1778
Death : 28 SEP 1863 Village Cemetery, Adam's Corner, Putnam Valley, NY
Gender: Female
Family:
Spouse:
CHRISTIAN, Gabriel
Birth : ABT 1804
Death : 1 APR 1841 Village Cemetery, Adam's Corner, Putnam Valley, NY
Gender: Male

1790 Census = Richard Christian - Senior and Richard Christian - Junior
name:Richard Christian
event place:Phillipstown, Dutchess, New York
page number:28line number:21687
nara publication number:M637nara roll number:6
digital folder number:004440870

1800 Census = Richard Christian - Senior and Richard Christian - Junior
name:Richard Christian
residence:Phillips, Dutchess, New York
page number:80
nara publication number:M32
nara roll number:21
digital folder number:004440839

1810 Census
name:Gabriel Christian
event place:Phillips, Dutchess, New York
page number:173line number:1290
nara publication number:M252
nara roll number:30
digital folder number:004433400

www.familysearch.org/learn/wiki/en/Dutchess_County,_New_York

1820 Census
name: Gabriel Cristian (Unknown)
event place: Phillipstown, Putnam, New York
page number: 18
nara publication number: M33
nara roll number: 79
digital folder number: 004433438

1830 Census is available.

1840 Census
name:Gabriel C Christian
residence:Putnam Valley, Putnam, New York
page number:326nara
publication number:M704nara roll number:324
digital folder number:004410683

hope this helps,
Averil