Genealogy research by Mark Humphrys.
This suggests our family most likely descends from Sir Rowland Blennerhassett, 1st Baronet.
Our family story was that we descend from a runaway Blennerhassett daughter.
So I am keen to establish if the 1st Baronet had a daughter.
In the past, there were
claims that
he had a daughter Catherine.
This is clearly an error.
The 1st Baronet has no daughter in
the entry for Blennerhassett
in [Debrett's Baronetage, 1815].
This is
on p.1247
of vol.2.
The genealogy has errors ("Harley" for Hurly).
The 1st Baronet has no daughter on
p.1178
of vol.2 of
[Debrett's Baronetage, 1819].
In [Debrett's Baronetage, 1824],
the 1st Baronet is now listed with a daughter Catherine.
From p.1115
of vol.2.
Catherine Blennerhassett, born 1788, daughter of "Sir R. Blennerhassett".
From
Limerick City Library
extracts
from the book
Records of Ballingarry
[Hamilton, 1930].
If she really was born 1788, this would be a dau of the 1st Baronet,
not the 2nd Baronet (who married 1790).
When we look at the original source in [Hamilton, 1930] though,
we see the extract is misleading.
The extract makes it look like it is an original baptism entry.
But it is not. It is just an extract from a set of family notes in the book.
In the original notes,
Catherine is discussed as the person who married Rev. Edward Conyers
and was born 1788 and died 1869.
This context is lost when making the extract of BMD.
So there is no new Catherine.
The date 1788 is simply an error.
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