"notably given" is correct and usable in written English.
It is usually used to emphasize a point in a sentence. For example: We have seen significant improvements in our process, notably given the short timeframe available.
Notably, given the occasion, neither of these singers is American.
And, perhaps most notably, given the recent congressional proceedings, he appears to have juiced.
Notably, given the ECHR's role as adjudicator of the Convention, it was not called on to interpret applicable EU or national law.
Most notably, given her penchant for railing against Wall Street abuses, she recently pushed regulators to delay certain rule changes on high-stakes derivatives trading.
We have ever-improving understanding of dinosaur anatomy, physiology and behaviour, and most notably (given that we are looking at restored animals on screens, not bones) their external appearance.
Back in May, Congressman Emanuel spoke with Ryan Lizza at the annual New Yorker Conference about the Democratic primaries, Hillary Clinton's future, and most notably, given today's news what the first hundred days of the Obama Administration might look like.
He notably gave the opinion of the majority in Cunningham v. Neagle, a case that extended federal authority.
The South Korean officials said that the meeting would be held "by May," though the White House notably gave no timeline.
Mr. Netanyahu has made some concessions, most notably giving Palestinians more control over their own security in the West Bank.
The bill also includes some enforcement enhancements, notably giving the D.C. attorney general for the first time the jurisdiction to prosecute misdemeanor campaign finance violations.
Although the tough anti-corruption talk has drawn plaudits for Wolfowitz, his strategy could conflict with other bank objectives, notably giving countries more control over their development plans.
