1991 — Cynthia Heimel, If You Can't Live Without Me, Why Aren't You Dead Yet?!, Grove Press (1991), →ISBN, page 3:
I rent this movie the other day. It's about this dark, brooding, Jewishish guy […]
1993 April 3, BGPW [username], “re:best supporting character”, in alt.tv.seinfeld[1] (Usenet):
The corect[sic] answer is, of course, Elaine. She is the smartest, sexiest Jewishish woman on television and never takes any shit from her inane friends.
1996 September 7, Jen Carr, “Re: Question about Higher Power”, in alt.recovery.codependency[2] (Usenet):
I was a Jewishish Catholic Born-Again Christian Pagan when I began the program. (No Joke - my religion changed daily dependant[sic] upon who I was with!)
2001 April 20, ctcgag [username], “Re: "Jew" as a noun”, in alt.fan.cecil-adams[3] (Usenet):
I proposed "Jewoid" to describe a kind-of Jewish friend, but he prefered[sic] "Jewishish".)
2002 — Jo Baker, Offcomer, W. Heinemann (2002), →ISBN, page 168:
[…] so I'm more of a mix, a mongrel. I'm Jewishish.'
2002 May 26, Bernard Earp, “Re: Circumcision”, in uk.media.radio.archers[4] (Usenet):
Well, as I have mentioned before I have worked on farms in my time even though I only qualify as Jewishish :-)
2005 January 5, Aphex Jihad [username], “…”, in alt.fan.andy-kaufman[5] (Usenet):
So anyway, I turn on my televiolence set and there ain't any of this kinda Jewishish comic I've been hearing so much about.