The Wayback Machine - https://web.archive.org/web/20150910050932/https://books.google.com/ngrams/graph?content=from+Perth%2CPerthite&year_start=1808&year_end=2008&corpus=15&smoothing=3&share=&direct_url=t1%3B%2Cfrom%20Perth%3B%2Cc0%3B.t1%3B%2CPerthite%3B%2Cc0

Google Books Ngram Viewer

Graph these comma-separated phrases:
case-insensitive
between and from the corpus with smoothing of .  
Search in Google Books:

1808 - 1827 1828 - 1836 1837 - 1845 1846 - 1979 1980 - 2008 from perth English
1808 - 1890 1891 - 1963 1964 - 1967 1968 - 1976 1977 - 2008 perthite English

Run your own experiment! Raw data is available for download here.
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