has anyone seen the German surname Fisler become Fischer in Pennsylvania subsequent to immigration?

i have a dna match that has one of her Fisler's immigrating to Northampton, PA, with my Fischer lineage in Westmore PA at the same time. we've been unable to follow all of her Fisler males and wonder if they might have become Fischers???

anyhow, it would be interesting if other Fischer research saw this.

rmwilliamsjr@gmail.com