I have several Weldons who lived in Saratoga County, or Schenectady County, NY prior to 1850. Would you happen to be connected to any of them?
Helen Weldon married Matthew Fort about 1818. 6 children. Helen was called Lena.
James Weldon and wife Alida Visscher had son Nicholas, born 9 Dec 1791 and baptised at the Niskayuna Reformed Church 1 Jan 1792. A daughter Helen was born 4 Aug 1798 and was baptised at the Niskayuna Reformed Church on 23 Sep 1798.
Another James Weldon married another Alida Visscher on 20 Oct 1841. No location.
I also have a Michael Weldon who married a Maria Vischer. No dates.